Manuel d'utilisation / d'entretien du produit U845t-S4155 du fabricant Toshiba
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GMAD00348010 01/13 If you need assistance: T echnical support is available on line at T o shiba’ s W eb site at support.toshiba.com . At this W eb site, you will find answers for many commonly asked technical questions plus many downloadable software driv ers, BIOS updates, and other downloads.
2 5.375 x 8.375 ver 2.3 Handling the cord on this product will expose you to lead, a chemical known to the State of California to cause birth defects or other reproductive harm.
3 5.375 x 8.375 ver 2.3 Critical Applications The computer you have purchased is not designed for any “critical applications. ” “Critical applications” means life s upport sy stems, medical ap.
4 5.375 x 8.375 ver 2.3 This device complies with P art 15 of the FCC Rules. Operation is subject to the following tw o conditions: ❖ This device may not cause harmful interference. ❖ This device must accept an y interferen ce receiv ed, including interference that may cause undesired operatio n.
5 5.375 x 8.375 ver 2.3 Radio Frequency Interference Requirements This device is restricted to indoor use due to its op eration in the 5.15 GHz to 5.25 GHz freq uency ra nge. FCC requir es this prod uct to be used indoors for frequency ra nge 5.15 GHz to 5.
6 5.375 x 8.375 ver 2.3 Exposure to Radi o Frequency Radia tion The radiated output power of the TO SHIBA W ireless LAN Mini PCI Card is far below the FCC radio f requency ex posure limits.
7 5.375 x 8.375 ver 2.3 This device is restricted to indoor use due to its op eration in the 5.15 GHz to 5.25 GHz fr equency ran ge. Industr y Canada r equires this pr oduct to be use d indoors for fr equency ra nge 5.15 GHz t o 5.25 GHz to reduce the potential for harmful interference to co-cha nnel Mobile Satellite sy stems.
8 5.375 x 8.375 ver 2.3 In the European Union, thes e symbols indicate that when the last end user wishes to discard this product, it must be sent to appropriate facilities for recov ery and recycling. This Directi ve applies to EU member count ries only and does not apply to end users in other co un tries such as the United States.
9 5.375 x 8.375 ver 2.3 1. Sticker Please put the following stick er on de vices incorpora ting this product. 2. Indication The indication shown belo w appears on this equipment. 1 2.4: This equipment uses a frequency of 2.4 GHz. 2 DS: This equipment uses DS-SS modulation.
10 5.375 x 8.375 ver 2.3 VCCI Class B Information Device Authorization This device obtains the T echnical Regulation Confor mity Certif icati on and the T echnical Conditions Compliance Approv al, and.
11 5.375 x 8.375 ver 2.3 Europe - Restrictions for Use of 5 GHz Frequencies in European Community Countries O: allowed x: forbidden ❖ T o remain in conformance with Euro pean spectrum usage laws for W ireless LAN operation, the above 2.4 GHz and 5 GHz channel limitations apply .
12 5.375 x 8.375 ver 2.3 ❖ This device must be used with Acce ss Points that hav e employed and activ ated a radar detection feature required for European Communi ty operation in the 5 GHz ba nds. This device will operate under the control of the Access Point in order to av oid oper ating on a channel occupied by any radar system in the area.
13 5.375 x 8.375 ver 2.3 Bluetooth ® Wireless T echnology and Y our Health The products with Bluetooth ® wireless technology , like other radio devices, emit radio frequency electromagnetic ener gy .
14 5.375 x 8.375 ver 2.3 Regulator y statements This product complies with any mandatory product specification in any country/ region where the product is sold.
15 5.375 x 8.375 ver 2.3 Export Administration Regulation This document contains technical data that may be controlled under the U.S. Export Administration Regulations, and ma y be subject to the approv al of the U.S. Department of Commerce prior to export.
16 5.375 x 8.375 ver 2.3 T rademarks Satellite, Satellite Pro, and eco Utility are either register ed trademarks or trademarks of T oshiba Am erica Information System s, Inc. and/or T oshiba Corporation. Adobe and Photoshop are either registered trademarks or tr ademarks of Adobe Systems Incorporated in the Unite d States and/or other countries.
17 5.375 x 8.375 ver 2.3 Computer Recycling Information As part of a commitment to people and the future, T oshiba promot es the ef ficient use of resources by working to achie ve our zero-waste-to-landf ill goal at all our production sites.
18 5.375 x 8.375 v er 2.3 Contents Introduction ................ ................................................................ 24 This guide ............................................................... 26 Safety icons ...........................
19 Contents 5.375 x 8.375 v er 2.3 Seeking additional help .....................................33 Check list .......................................................... 34 Precautions .......................................................34 Important information on your computer’s cooling fan .
20 Contents 5.375 x 8.375 v er 2.3 Caring for your computer ........................................ 61 Cleaning the computer ......................................61 Moving the computer ........................................61 Using a computer lock .
21 Contents 5.375 x 8.375 v er 2.3 Maintaining your battery ...................................80 Disposing of your computer ...................................80 Traveling tips .......................................................... 80 Chapter 4: Exploring Y our Co mputer’ s Features .
22 Contents 5.375 x 8.375 v er 2.3 Function Key ......................................................... 105 PC Diagnostic Tool Utility .....................................106 PC Health Monitor .................................................107 Recovery Media Creator .
23 Contents 5.375 x 8.375 v er 2.3 Appendix A: TOSHIBA Functi on Keys .............. ...................... 135 Functions ..............................................................135 Help file .....................................................
24 I n t roduct ion W elcom e to the world of powerful, portable, multimedia computing. W ith your T o shiba computer , your work and entertainment can accompan y you where ver you go.
25 Introduction 5.375 x 8.375 ver 2.3 When considering additions to your home office, purchase products that hav e earned the ENERGY ST AR ® for all your equip ment needs, which can sav e you mone y , save ener gy , and help protect the climate. Vi s i t http://www .
26 Introd uctio n This guide 5.375 x 8.375 ver 2.3 The product specifications and configuration information are designed for a product Series. Y our particular model may not have all the features and specifications listed or illustrated.
27 Introduction Safety icons 5.375 x 8.375 ver 2.3 Safety icons This manual contains safety inst ructions that must be observed to av oid potential hazards that c o uld result in personal injuries, damage to your equipmen t, or loss of data.
28 Introd uctio n Other documentation 5.375 x 8.375 ver 2.3 Y our computer’ s features and specifications Certain computer chassis are de signed to accommodate all possible configurations for an entire product Series.
29 Chapter 1 Getting Started This chapter provides tips for us ing your computer ef fecti v ely , summarizes how to connect components, and explains what to do the first time you use your computer .
30 Getting Started Selecting a place to work ❖ Equipment that generates a strong electromagnetic field, such as stereo speakers (other than speakers that are connected to the computer) or speakerphones. ❖ Rapid changes in temperature or humidity and sources of temperature change such as ai r conditioner vent s or heaters.
31 Getting Started Selecting a place to work ❖ A void glare: position the notebook so that light sources (lam ps or windows) do not shine or reflect directly into your eyes. Place the notebook display away from bright light sources or reduce the light inten sity from windows by using blinds.
32 Getting Started Selecting a place to work ❖ Alternati ve k eyboards, such as the split curved k eyboard, may improve shoulder and arm comfort. ❖ Select a mouse that is comfortable for you to use. ❖ Don’t rest your wrists on the edge of the ke yboard or on the work surface when typing.
33 Getting Started Selecting a place to work ❖ T ake short, strategically spaced rest breaks to a void eye strain and body fatigue. For e xample, stand up and walk around or stretch for a few minutes ev ery hour . ❖ T aking regular breaks is especially important if you are working long hours on your comput er or working on a deadline.
34 Getting Started Selecting a place to work For more specif ic recommendations on the safety and comfort of your computer en vironment, custom ers in the United States may visit the United States Department of Labor, Occupational Safety & Health Administration W eb site at: http://www .
35 Getting Started Selecting a place to work Never allow any liquids to spill into any part of your computer , and never expose the computer to rain, water , seawater or moisture. Exposure to liquid or moisture can cause electric shock or fire, resulting in damage or serious injury .
36 Getting Started Selecting a place to work Handle discs carefully . Avoid touching the surface of the disc. Gras p it by its center hole and edge. If you handle the disc incorrectly , you could damage the disc and possibly lose data. ❖ Scan all ne w files for viruses .
37 Getting Started Setting up your computer Setting up your computer TECHNICAL NOTE: Y ou must complete all setup steps up to and including “Setting up your software” on page 41 before a dding external or internal components to your computer . These components include, but are not limited to, a mouse, keyboa rd, and printer .
38 Getting Started Connecting to a power so ur ce Always use the TOSHIBA AC adaptor that was provided with your computer , or use AC adaptors sp ecified by TOSHIBA to avoid any risk of fire or other damage to the computer . Use of an incompatible AC adaptor could cause fire or damage to the c omputer possibly resulting in serious injury .
39 Getting Started Connecting to a po wer source 2 Plug the A C adaptor co rd into the DC-IN on the side of the computer . (Sample Illustration) Connectin g the AC adaptor cor d to the computer 3 Connect the po wer cord/cable to a li ve electrical outlet.
40 Getting Started Char ging the main battery Charging the main batter y The computer battery is not accessible by the user . Before using the battery to power the computer , you must charge the battery .
41 Getting Started Re gistering your computer with T oshiba Initial setup The W indo ws 8 Startup screen is the first screen displayed when you turn on your computer for the first time. F ollow the on-screen instructions on each screen in order to properly install the operating system and begin using your compu ter .
42 Getting Started T o Shut down your computer T o Shut down your computer 1 From the St art or Desk top scr een, m ov e your poi nter over the upper or lower right co rner of the screen. 2 When the W indo ws ® Charms appear , click the Settings () Charm.
43 Getting Started T o place your computer in Sleep mode 3 In the lo wer right of the screen click the Pow e r ( ) icon. (Sample Image) Restart 4 Highlight Restart , and then click the Restart option. The computer closes all open applications, and restarts the operating system.
44 Getting Started Adding optional external de vices Adding optional external devices Before adding external devices, T oshiba recommends setting up your software.
45 Getting Started Recovering the Internal Stora ge Drive A recov ery image of your computer is stored on the internal storage dri ve, and the image can be restored by running the recov ery utilities directly f rom your internal storage dri ve as described in the sections below .
46 Getting Started Recovering the Internal Stor ag e Drive During the recovery process your computer must be connected to an external power source via the AC adaptor .
47 Getting Started Recovering the Internal Stora ge Drive 2 Select DVD or USB Flash from the drop-down list, depending on the type of external media you want to use. If an external optical disc drive is attached, the DVD option becomes available in the dialog box.
48 Getting Started Recovering the Internal Stor ag e Drive Restoring from recovery media The recovery process deletes information stored on the internal storage drive. Be sure to save your work to ex ternal media before executing the recovery (see “Backing up your work” on page 67 ).
49 Getting Started Recovering the Internal Stora ge Drive 4 Using the arro w ke ys, select the D VD op tion or the USB Flas h option, depending on which type of medi a you are using, and then press the ENTER key .
50 Getting Started Recovering the Internal Stor ag e Drive 3 Click Change PC Settings . The PC settings window appears. (Sample Image) PC settings scr een 4 Click General . 5 Scroll down to “Refresh your PC without af fecting your files, ” and click Get Started .
51 Getting Started Recovering the Internal Stora ge Drive 6 Click the Next but ton to be gin . The “Ready to refresh your PC” screen appears. (Sample Image) Ready to r efr esh your PC scr een Y ou will be prompted to refresh your system. 7 Click the Refresh b utton.
52 Getting Started Recovering the Internal Stor ag e Drive 3 Click Change PC Settings . The PC settings window appears. (Sample Image) PC settings scr een 4 Click General . 5 Scroll do wn to “Remove ev eryt hing and reinstall W indows, ” and click Get Started .
53 Getting Started Recovering the Internal Stora ge Drive 6 Click the Next button. The “Do you want to fully cl ean your driv e” screen appears. (Sample Imag e) Do you want to fully clean your dri.
54 Getting Started Recovering the Internal Stor ag e Drive Selecting the “Fully clean the drive” opt ion may take several hours. Installing drivers and applications The T OSHIB A Appl ication Inst aller allo ws you to reinstal l the dri vers and applications that were originally bundled with your computer .
55 Getting Started Using the touch pad Using the touch pad Some of the touch pad operations described in this section are only supported in certain applications, and only on certain models.
56 Getting Started Using the touc h pad Select a n item 1 Move the pointer to the item you want to select. 2 Do one of the following: ❖ T ap the touch pad once OR ❖ Press and release the primar y .
57 Getting Started Using the touch pad Adjusting touch pad settings While you are typing, the on-screen pointer may seem to move or jump around “by itself” to rando m locations on the screen. The on-screen pointer may also seem to automatical ly select text, click buttons, and acti v ate other user interface elements.
58 Getting Started Using external display de vices Disabling or enabling the touch pad The touch pad is enab led by defaul t. T o enable/disab le the touch pad, press F5 . For more inform ation, see “Disabling or enabling the touch pad” on page 138 .
59 Getting Started Using external display de vices Selecting video cables T o connect a device to the HDMI™ Out port, you must purchase an HDMI™ cable.
60 Getting Started Customizing your compu ter’ s settings ❖ Second screen only (Sample Image) Display options window The ( ) + P keys navigate through the option s without activating a selection. Press ENTER to activate a selection. Y ou may also use the F4 key , and then press ENTER to activate a selection.
61 Getting Started Caring for your computer Y ou may also wish to customize your po wer usage settings. For more information, see “Po wer Plans” on page 77 . There are additional custom settin gs you can choose. See “Utilities” on page 92 . Caring for your computer This section giv es tips on cleaning and moving your computer .
62 Getting Started Caring for your computer Using a computer lock Y ou may want to secure your comput er to a heavy object such as your desk. The easiest way to do this is to purchase an optional computer lock cable. For more information on purchasing a cable lock, visit accessories.
63 Chapter 2 Learning t he Basics This chapter giv es some computing tips and provides important information about basic features. Computing tips ❖ Sav e your work frequently . Y our work stays in the computer’ s temporary memory until you sav e it to the internal storage driv e.
64 Learning the Basics Using the ke yboard ❖ Back up your files to e xternal media on a regular basis. Label the backup copies clearly and store them in a safe place.
65 Learning the Basics Using the ke yboar d Function keys The function k e ys (not to be confus ed with the Fn k ey) are the 12 keys at the top of the k eyboard. (Sample Illustration) Function ke ys F1 through F12 are called function keys because the y e xecute programmed functions when pressed.
66 Learning the Basics Mouse pr op erties Mouse properties Mouse properties allow you to ch ange your pointin g device or mouse settings. T o access Mouse properties: 1 Mov e your pointer over the upper or lower right corner of the screen.
67 Learning the Basics Saving your work Belo w is an example using the Search f ield to start an app: 1 Mov e your pointer over the upper or lower right corner of the screen. When the W indo ws ® C harms appear click the Sea rch () C h a r m . (Sample Image) Sear ching for apps 2 Start typing the app’ s name in the Search field.
68 Learning the Basics T oshiba’ s online r esou r ces HINT : Backing up all the files on your internal sto rage drive may take a considerable amount of time and multiple CDs/DVDs. Y ou may prefer to use a high-capacity file recovery system, such as an external hard drive.
69 Chapter 3 Mobile Computing This chapter cov ers all aspects of using your computer while trav eling. T oshiba’ s energy-saver design Y our computer enters a low-po wer suspension mode when it is n ot being used, thereby co nserving energy and saving money in the process.
70 Mobile Computing Running the computer on battery power Battery Notice Battery life rating is for comparison purposes only , and does no t indicate the battery life t hat will be obtained by any indi vidual user .
71 Mobile Computing Char ging batteries TECHNICAL NOTE: Depending on your system, the R TC battery may only charge while the computer is turned on. Power management Y our computer ships with the power.
72 Mobile Computing Char ging batteries TECHNICAL NOTE: The recharging of the batter y may not occur when your computer is using all of the pow er provided by the AC adaptor to run applications, features , and devices.
73 Mobile Computing Monitoring battery power T o recharge the R TC battery , plug th e computer into a li ve electrical outlet and leav e the computer powered on for 24 hours. It is seldom necessary to charge the RTC battery because it charges while the computer is on.
74 Mobile Computing Monitoring battery power HINT : Be careful not to confuse the batter y light ( ), the power light ( ) , and the power button light. When the power light or power button light flashes amber , it indicates that the system is suspended (us ing the Windows ® operating system Sleep command).
75 Mobile Computing Monitoring battery power TECHNICAL NOTE: The computer drains the battery faster at low temperatures. Check your remaini ng charge frequently if you are working in temperatures below 50 degrees Fahrenheit.
76 Mobile Computing Monitoring battery power 4 Click Change advanced power settings . The Advanced settings tab of the Po wer Options window appears. 5 Double-click Battery to display the battery op tions. (Sample Image) Advanced settings tab of P ower Options scr een 6 Configure the alarm settings to suit your needs.
77 Mobile Computing Monitoring battery power Microsoft ® has combined these options into preset Po wer Plans. Using one of these power plans lets you choose betw een maximum power sa vings and peak system performance. Y ou may also set individual po wer -saving options to suit your o wn needs.
78 Mobile Computing Using the eco power plan 6 Click Change advanced power settings to access settings for battery notification lev els, inte rnal storage driv e po wer sav e time, etc. Y ou can click the plus signs to expand each item and to see what settings are a v ailable for each item.
79 Mobile Computing T aking car e of your battery T aking care of your battery The follo wing sections offer tips on ho w to take care of your battery and prolong its life.
80 Mobile Computing Disposing of your computer Maintaining your batter y Fully discharging your battery pack will allo w better accuracy of the battery meter . T o fully discharge your battery pack: ❖ Periodically , disconnect the computer from a po wer source and operate it on battery power until the battery pack fully discharges.
81 Mobile Computing T raveling tips TECHNICAL NOTE: When traveling by air , you may be required to pass your computer through airport security equipment.
82 Chapter 4 Exploring Y our Computer’ s Features In this chap ter , you will explore so me of the special features of your computer . Exploring the Start screen The Start screen is the launching pa.
83 Exploring Y our Computer’ s Features Exploring th e Start scr een For detailed information on the new W indows 8 functionality , refer to the W indo ws ® Help and Support.
84 Exploring Y our Computer’ s Features Explorin g the desktop Ti le s T iles can be accessed and launched from the Start screen. T ypical Start screen tiles are the Desktop tile and Mail tile, as well as tiles representing all other a pplications downloaded to your system.
85 Exploring Y our Computer’ s Features Exploring the desktop Y ou may see v arious icons displayed on your system deskto p, for example: Recycle Bin—Holds files you ha v e deleted. Y ou may be able to retriev e these f iles until you empty the Recycle Bin.
86 Exploring Y our Computer’ s Features W indows ® St or e T ypical tasks in the notification area are Current time, Po wer usage mode, network connecti vity status, and speaker volume. T o activ ate a specific task, click the appropriate notification area icon.
87 Exploring Y our Computer’ s Features Setting up for communications Using Wireless LAN connectivity Wireless connectivity and some features may require you to purchase additional software, external hardware or services. Availa bility of public wireless LAN access points may be limited.
88 Exploring Y our Computer’ s Features Explor ing audio fe atur es Exploring audio features Y ou can use your computer to record sounds using the computer’ s internal microphone (av ailable on certain models) or an optional external microphone.
89 Exploring Y our Computer’ s Features Using the W eb Camera Using external speakers or headphones Y our computer is equipped with a full stereo sound system with internal speakers. Instead of usin g the internal speakers, you can connect headphones or a pair of external ste reo speakers.
90 Exploring Y our Computer’ s Features Using the Memory car d r eader When the Web camera is not active the indicator light is off. Using the Memory card reader The Memory card reader suppor ts the use of Memory Stick ® , Memory Stick P R O™, or Secure Digital™ (SD/SDHC/SDX C).
91 Exploring Y our Computer’ s Features Using the Memory car d r eader When inserting memory media, do not touch the metal contacts. Y ou could expose the storage area to static electric ity , which can destroy data.
92 Chapter 5 Utilities Y our computer includes sev eral utilities designed to help you to reconfigure your system to best meet your individual needs. T ogether, these allo w you to ascerta in certain system details, set additional options, or change default optio ns.
93 Utilities Desktop Assist ❖ Service Station ❖ TOSHIB A Application Installer Desktop Assist The Desktop Assist provides qu ick access to computer functions and allows you to customize a range of computer settin gs.
94 Utilities Desktop Assist Media & Entertainment The feature a v ailable in this cate gory is T OSHIB A V ideo Player (S a m pl e I ma ge ) Desktop Assist window – Media & Entertainment tab.
95 Utilities Desktop Assist T ools & Utilities The features that may be av ailable in this category are: ❖ eco Utility ® ❖ Supervisor password ❖ User password ❖ System Settings ❖ Functi.
96 Utilities Desktop Assist Support & Recovery The features that may be av ailable in this category are: ❖ PC Diagnostic T ool Utility ❖ PC Health Monito r ❖ Recov ery Media Creator ❖ Serv.
97 Utilities eco Utility ® eco Utility ® The eco Utility ® monitors your power sa vings from using the eco power plan by tracking real-time power consumption and accumulated savings o ver time. T o access the eco Utility ® : 1 From the Start screen begin typing eco Utility , or while in the Desktop screen double-click the Desktop Assist icon.
98 Utilities Setting passwor ds Setting passwords Setting a password lets you walk away from your computer while providing additional protection for your files. When you set a password, you must enter the password before you can w ork on your computer again.
99 Utilities Setting passwor ds (Sample Image) Supervisor P asswo r d tab 4 Click Set . 5 Enter your pas sword, and th en enter it again to v erify . 6 Click Set . Under User Policy , this option may or may not ask for password verification. 7 Click OK to sa v e your password as a te xt f ile .
100 Utilities Setting passwor ds Using a user password A user password provides po w er-on password protection. Setting a user password If you choose to set a supervisor or user password, TOSHIBA strongly recommends that you save your password in a location where you can later access it should you not re member it.
101 Utilities System Settings System Settings System Settings is the TOSHIB A conf iguration management tool av ailable through the Windo ws ® operating system. T o access it: 1 T o access System Settings from the Start screen begin typing System Settin gs , or while in the Desktop screen double-click the Desktop Assist icon.
102 Utilities Sleep and Charg e ❖ General —Allows you to vie w the current BIOS version or change certain settings back to their default values ❖ Ke y b o a r d —Allows you to access the w ake.
103 Utilities Sleep and Charg e ❖ When “USB Sleep and Charge function” is set to Enabled, USB bus power (DC 5V) will be supplied to the compatible port even when the power of the computer is turned OFF . USB bus power (DC 5V) is similarly supplied to the external devices which are connected to the compatible ports.
104 Utilities Sleep and Charg e Enabling/Disabling USB Sleep and Charge This utility can b e used to enable or disable the US B Sleep and Charge function. T o enable this function, select Enable . T o disable this function, toggle the Enable button to the Disabled position.
105 Utilities Function K e y Function Key T urns noti fications for ke yboard backlight and touch pad status ON/OFF . (Sample Image) Function K e y The Function option is disabled by default.
106 Utilities PC Diagnostic T ool Utility PC Diagnostic T ool Utility This utility can h elp diagnose pro blems with devices in your computer . Ref er to the online Help document ation within the application for additional help. The PC Diagnostic T ool utility may show tests for features you do not have.
107 Utilities PC Health Monitor PC Health Monitor The PC Health Monitor software program monitors computer system functions such as po wer consumption, th e cooling system and the 3D Accelerometer (availabl e on certain models). It alerts users to specific system conditions via pop-up messages.
108 Utilities Recovery Media Cr eator Recover y Media Creator The Recov ery Media Creator utility enables yo u to create recovery media that can be used to return y our system to it s out-of-bo x state, if necessary . For detailed information on using the utility to cr eate recov ery media, see “Creating recovery media” on page 45 .
109 Utilities TOSHIB A Application Installer TOSHIBA Application Installer The TOSHIB A Ap plication Install er allows you to reinstall the dri vers and applications that were originally bundled with your computer .
110 Chapter 6 If Somet hing G oes W r o ng Some problems you may encounter wh en using your computer are relativ ely easy to identify and solve. Others may require help from your network administrator or the manufacturer of the software program. This chapter aims to help you solve many problems by yourself.
111 If Something Goes Wrong Pr oblems wh en you turn on the computer 3 Select the program you want to close, then click End T ask . Closing the failed prog ram should allow you to continue working. If it does not, continue with the next step. 4 Close the remaining program s one by one by selecting the program name, then End T ask .
112 If Something Goes Wrong Pr ob lems when you turn on the computer The computer displays the WARNING RESUME F AILURE/Windows Error Recovery – Windows did not shut down successfully message. T o continue, select Start W indo ws normally . This can happen if the computer was put into Sl eep mode and the battery has discharged.
113 If Something Goes Wrong The W indows ® operating system is not working 2 Check the INPUT specificati ons on the bottom of the computer . The output specifications of the A C adaptor must match the input specifications of the computer . 3 If the specif ications do not match, locate and use the A C adaptor that shipp ed with your computer .
114 If Something Goes Wrong The W indows ® oper ating system is not working Y ou no w hav e se veral options: Refresh your computer ❖ Y our f iles and personalization settings won't change ❖.
115 If Something Goes Wrong The W indows ® operating system is not working Startup Settings In previous Operating Systems the majo rity of the o ptions found on this menu were av ailable by pressing .
116 If Something Goes Wrong F ixing a pr oblem with Device Mana ger My bro wser cannot f ind the URL addr ess I typed in. Make sure you separated th e domain names of the address with the forward slash (/). Check the spelli ng of each name and the syntax of the address carefully .
117 If Something Goes Wrong Memory pr oblems Checking device properties Device Manager pro vides a way to vi e w the properties of a de vice. Properties include the name of the manuf acturer , the type of device, the dri vers installed, and the sy stem res ources assigned to the device.
118 If Something Goes Wrong P ower and the batteries Power and the batteries Y our computer recei v e s its po wer through the AC ada ptor and po wer cord/cable or from the system batteries (battery and real-time clock (R TC) battery). Power pr oblems are interrelated.
119 If Something Goes Wrong K e yboa r d pr oblems After a period of time, the battery will lo se its ability to perfor m at maximum capacity and will need to be replaced. This is normal for all batteries . For more information on ma intaining battery p ower , see “Changing the main battery” on pa ge 78 .
120 If Something Goes Wrong Display pr ob lems The screen does not look corr ect. Y ou can change the display settings by clicking a blank area of the desktop with the secondary control button, then clicking Personalize . This opens the Personalization windo w .
121 If Something Goes Wrong Disk or storag e drive pr oblems Small bright dots appear on yo ur TFT display when y ou turn on y our computer . Small bright dots may appear on your screen display when you turn on your computer .
122 If Something Goes Wrong Disk or storag e drive pr oblems 2 Click Computer from the list that appears. (Sample Image) Sear ch r esults for “computer” 3 Right-click the driv e you wish to check. (Sample Image) Clicking on the drive 4 In the pop-up m enu, click Properties .
123 If Something Goes Wrong Sound system pr oblems Y our hard disk seems very slo w . If you hav e been using your computer for a long time, your files may hav e become fragmented . Run Disk Defragmenter . T o do this: 1 Mov e your pointer over the upper or lower right corner of the screen.
124 If Something Goes Wrong Printer pr oblems Printer problems This sectio n lists some o f the most common prin ter proble ms. The printer will not print. Check that the printer is connected to a working power outlet, turned on and ready (on line). Check that the printer has plenty of paper .
125 If Something Goes Wrong W ir eless networking pr oblems Wireless networking problems This section provides general troubleshooting tips for networking problems, specifically wireless (Wi-Fi ® ) networking. The terms and concepts used assume a bas ic understanding of networks, and may be for more advanced users.
126 If Something Goes Wrong Develop good computing habits ❖ Use IPCONFIG to verify that the computer has a useful IP address - one other than the priv ate address of 169.254.xxx.x xx assigned by W indo ws ® . 1 From the Start screen, type Cmd . 2 Click Command Prompt .
127 If Something Goes Wrong Develop good computing habits On a regular basis, back up the inf ormation stor ed on y our internal sto rage drive. Use W indo ws ® to back up f iles, or the en tire computer , to an optical disc, or external hard disk.
128 If Something Goes Wrong Develop good computing habits Saving system configuration with restore points The System Restore feature of the Windo ws ® operating system quickly creates restore points - ‘snapshots’ of your Windo ws ® operating system configuration - and saves them for later recall.
129 If Something Goes Wrong Develop good computing habits 3 In the left pane, clic k System Pr otection . The System Protecti on tab of th e System Properties window appears. 4 Click System Restore... 5 Click Next . 6 Click the Restore point you want to use then click Next .
130 If Something Goes Wrong Develop good computing habits Follo w these steps to back up y our computer or files to optical discs, or a storage driv e: Y ou cannot back up the computer while running on battery power . Connect the AC adaptor before continuing.
131 If Something Goes Wrong Develop good computing habits ❖ Restart the W indows ® operating system. Alw ays restart the W indo ws ® operating system after each installation, e v en if the installation utility does not prompt you to do so.
132 If Something Goes Wrong If you need further assistance ❖ If you are attempting to charge a de vice wi thout an A C adaptor connected to the computer , the computer's battery power may be below the limit specif ied in the TOSHIB A Sleep utility or the battery may be depleted.
133 If Something Goes Wrong Other T oshiba Internet W eb sites Contacting T oshiba T oshiba’ s T echnical Support Web site For technical support, or to stay current on the most recent softw are and hardware options for your computer, and for other product information, be sure to regularly check the T oshiba W eb site at support.
134 If Something Goes Wrong T oshiba’ s worldwide off ices For more information on additio nal T oshiba worldw ide locations, please visit: www .toshiba.
135 5.375 x 8.375 ver 2.3 Appendix A TOSHIBA Function Keys TOS HIB A Functi on ke ys pro vide a quick w ay to modif y selected system functions and to launch applications.
136 TOSHIBA Function Keys Functions 5.375 x 8.375 ver 2.3 Help file Display brightness This TO SH IBA Function key displays the help file. This TO S H IBA Function key decreases the screen brightness. This TO S H IBA Function key increases the screen brightness.
137 TOSHIBA Function Keys Functions 5.375 x 8.375 ver 2.3 Output (Display switch) This TO S H IBA Function key cycles through the display options and highl ights the av ailable options. ( On l y t h e fi r s t option is av ailable when you do not hav e an external monitor attached.
138 TOSHIBA Function Keys Functions 5.375 x 8.375 ver 2.3 Disabling or enabling the touch pad Media buttons This TO S H IBA Function key enables/disables the touch pad. T o enable/d isable the touch pad press F5 . For more information on using the touch pad, see “Using the touch pad” on page 55 .
139 TOSHIBA Function Keys Functions 5.375 x 8.375 ver 2.3 Volume Mute Disabling or enabling wireless devices Keyboard Function keys Zoom (Display resolution) This TO S H I BA Function key enables/disables volume mute. When volume mute is enabled, n o sound will com e from the speakers or headphones.
140 5.375 x 8.375 ver 2.3 Appendix B P o wer Cord/Cable C o nnector s Y our computer ships w ith the correct power su pply for the co untry of purchase. This appendix shows the shapes of the typical A C po wer cord/cable connectors fo r v ariou s parts of the world.
141 Glossar y TECHNICAL NOTE: Some features defined in this glossary may not be available on your computer . Acronyms The follo wing acronyms may app ear in this User’ s Guide.
142 Glossary DPI Dots Per Inch DV D Digital V ersatile (or V ideo) Disc DV D - R O M Dig ital V ersatile (or V ideo) Disc Read-Only M emory eSA T A external Serial Advanced T echnology Attachment FAT .
Glossary 143 RT C Real-T ime Clock SD Secure Digital SDRAM Synchronous Dynamic Random Access Memory SSD Solid State Driv e TFT Thin Film Tr ansistor USB Univ ersal Serial Bus URL Uniform Resource Locator WA N W ide Area Network www W orld Wide W eb Te r m s The follo wing terms may appear in this User’ s Guide.
144 Glossary B backup —A copy of a f ile, usually on a remov able disk, k ept in case the original file is lost or damaged. Basic Input/Output System (BIOS) —See BIOS. baud rate —The speed at which a communication de vice, such as a printer or mo dem, transmits in formation.
Glossary 145 C cache —A section of very fast memory in which frequently used information is duplicated for qu ick access. Accessing data from cache is faster than accessing it from the computer’ s main memory . See also CPU ca che, L1 c ach e, L 2 ca che.
146 Glossary CPU —See Central Pr ocessing Unit (CPU). CPU cache —A section of very fast memory residing between the CPU and the computer’ s main memory that temporarily stores data and instructions the CPU will need to ex ecute commands and programs.
Glossary 147 disk drive —The de vice that reads and writes information and programs on e x t e r n al m ed ia or hard di sk. It rotates the disk at high speed past one or more read/write heads. document —Any file created with an appl ication and, if saved to disk, gi ven a name by which it can be retrie ved.
148 Glossary F fil e —A collection of related in formation, saved on disk with a uniqu e name. A file may be a program, inform ation used by a program, or a document. See also docum ent. File Allocation T able (F A T) —The section of a s t o r ag e d r ive that keeps track of the location of stored files.
Glossary 149 hardware —Th e physical components of a computer system. Compare softwar e . H D M I ( High-Def inition Multimedia Interface) —An interface used to transmit high quality audio and video signal via a single cable in digital format, providing better picture quality than analog signal.
150 Glossary LAN (Local Area Network) —A group of com puters or other devices dispersed over a relati v ely li mited area and connected by a communications link that enables any de vice to interact with any other on the network.
Glossary 151 multi-function drive —A D VD drive that can r ead and write to CD and DV D m e d i a . multimedia —A com bination of two or more media, such as sound, animation, and video in a comp uter program or presentation. Musical Instrument Digital Interface —See MIDI .
152 Glossary pixel —Short for “picture element. ” The smallest dot that can be produced on a screen or printer . Plug and Play —Generally , refers to t he computer’ s ability to automatically configure itself to work with periph eral devices.
Glossary 153 res o lu t io n —A measure of the sharpness of the images that can be produced by a printer or displayed on a screen . For a printer , resolution is expressed in dots per inch (dpi). For a screen, it is expressed as the number of pixe ls a v ailable horizontally and vertically .
154 Glossary Suspend —A feature of some Windo ws ® operating systems that allows you to turn off the computer without exiting your op en applications and to continue from where you left off when you turn the comp uter on again. Swipe —Swipe an open window to the le ft or right of the screen to display the next or pre vious window .
155 Index A A C adaptor 37 AC p ow e r 71 A C po wer light 37 accessing network 87 adding memory (optional) 44 optional external devices 44 adequate ventilation cooling fan 36 adjusting touch pad sett.
156 Index battery indicator light 74 BIOS Setup see System Settings C caring for your computer 61 changing battery 78 charging the battery 40 cleaning the computer 61 communications set up 86 computer.
157 Index saving 67 Function Ke y 105 Function Ke ys disabling or enabling wireless devices 139 Function keys 138 backlit keyboard 139 display brightness 136 Help file 136 keyboard Function ke ys 139 .
158 Index deleting a user 100 instant password 98 power -on password 98 setting 98 setting a supervisor 98 setting a user 100 supervisor password 98 user password 98 PC Diagnostic T ool Utility 106 PC.
159 Index icon 42 , 43 Sleep and Charge 102 Sleep mode 43 sounds recording 88 speakers using external 89 Start screen exploring the 82 starting an app 66 starting an app from Start screen 66 Startup m.
160 Index W indo ws® operating system not wor ki ng 113 wireless netw orking 125 U USB Sleep and Charge cannot use 131 USB W akeup function does not work 132 user password, deleting 100 user password.
Un point important après l'achat de l'appareil (ou même avant l'achat) est de lire le manuel d'utilisation. Nous devons le faire pour quelques raisons simples:
Si vous n'avez pas encore acheté Toshiba U845t-S4155 c'est un bon moment pour vous familiariser avec les données de base sur le produit. Consulter d'abord les pages initiales du manuel d'utilisation, que vous trouverez ci-dessus. Vous devriez y trouver les données techniques les plus importants du Toshiba U845t-S4155 - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation Toshiba U845t-S4155, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le Toshiba U845t-S4155 va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le Toshiba U845t-S4155, mais vous avez pas encore lu le manuel d'utilisation, vous devez le faire pour les raisons décrites ci-dessus,. Vous saurez alors si vous avez correctement utilisé les fonctions disponibles, et si vous avez commis des erreurs qui peuvent réduire la durée de vie du Toshiba U845t-S4155.
Cependant, l'un des rôles les plus importants pour l'utilisateur joués par les manuels d'utilisateur est d'aider à résoudre les problèmes concernant le Toshiba U845t-S4155. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei Toshiba U845t-S4155 ainsi que les instructions sur la façon de les résoudre. Même si vous ne parvenez pas à résoudre le problème, le manuel d‘utilisation va vous montrer le chemin d'une nouvelle procédure – le contact avec le centre de service à la clientèle ou le service le plus proche.
