Manuel d'utilisation / d'entretien du produit N100 du fabricant Lenovo
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Le n o v o 3 000 N1 00 Hard w ar e M ain t e n a n c e Ma nu a l March 2006 This manual supports: Lenovo 3000 N100 (MT 0689, 0690, 0768).
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Le n o v o 3 000 N1 00 Hard w ar e M ain t e n a n c e Ma nu a l.
Note Before using this information and the pr oduct it supports, be sure to r ead the general information under “Notices” on page 90. First Edition (March 2006) © Copyright Lenovo 2006. All rights reserved. U.S. GOVERNMENT USERS – RESTRICTED RIGHTS: Our products and/or services ar e provided with RESTRICTED RIGHTS.
Contents Introduction . . . . . . . . . . . . .1 About this manual . . . . . . . . . . . .1 Important service information . . . . . . . .1 Strategy for replacing FRUs . . . . . . . . .1 Strategy for replacing a har d disk drive . . . .2 Important notice for replacing a system boar d .
iv MT 0689, 0690, 0768.
Introduction About this manual This manual contains service and refer ence information for Lenovo 3000 N100 (MT 0689, 0690, 0768). Use this manual along with the advanced diagnostic tests to troubleshoot pr oblems.
v If you are instructed to replace a FRU but the replacement does not correct the problem, reinstall the original FRU before you continue . v Some computers have both a processor boar d and a system board.
Using PC Entitlement W arehouse (PEW) v PEW is the primary source for identifying FRU part numbers and FRU descriptions for the key commodities for CMV products at a MT - serial number level. An example of key commodities are har d disk drives, system boards, micropr ocessors, Liquid Crystal Displays (LCDs), and memory .
Important information about replacing RoHS compliant FRUs RoHS, The Restriction of Hazardous Substances in Electrical and Electronic Equipment Directive (2002/95/EC) is a European Union legal requirement affecting the global electronics industry . RoHS requirements must be implemented on Lenovo products placed on the market after June 2006.
Diskette compatibility matrix The compatibility of each of the drives with the diskettes for it is as follows: Diskette drive Diskette capacity Compatibility 3.
Safety notice 2 DANGER Some standby batteries contain a small amount of nickel and cadmium. Do not disassemble a standby battery , recharge it, throw it into fire or water , or short-circuit it. Dispose of the battery as required by local ordinances or regulations.
Safety notice 3 DANGER The battery pack contains small amounts of nickel. Do not disassemble it, throw it into fire or water , or short-circuit it. Dispose of the battery pack as required by local ordinances or regulations. Use only the battery in the appropriate parts listing when replacing the battery pack.
Safety notice 4 DANGER The lithium battery can cause a fire, an explosion, or a severe burn. Do not recharge it, remove its polarized connector , disassemble it, heat it above 100°C (212°F), incinerate it, or expose its cell contents to water . Dispose of the battery as required by local ordinances or regulations.
Safety notice 5 Safety notice 6 DANGER If the LCD breaks and the fluid fr om inside the LCD gets into your eyes or on your hands, immediately wash the affected ar eas with water for at least 15 minutes. Seek medical care if any symptoms fr om the fluid are present after washing.
Safety notice 7 DANGER Safety notice 8 DANGER Though the main batteries have low voltage, a shorted or grounded battery can produce enough current to burn personnel or combustible materials.
Safety information The following section presents safety information with which you need to be familiar before you service a Lenovo 3000 computer . General safety Follow these rules to ensur e general safety: v Observe good housekeeping in the area of the machines during and after maintenance.
Important Use only approved tools and test equipment. Some hand tools have handles covered with a soft material that does not insulate you when working with live electrical currents. Many customers have, near their equipment, rubber floor mats that contain small conductive fibers to decrease electr ostatic discharges.
v Do not service the following parts with the power on when they are r emoved from their normal operating places in a machine: – Power supply units – Pumps – Blowers and fans – Motor generators and similar units. (This practice ensures corr ect grounding of the units.
Handling devices that are sensitive to electrostatic discharge Any computer part containing transistors or integrated circuits (ICs) should be considered sensitive to electr ostatic discharge (ESD.) ESD damage can occur when there is a dif ference in charge between objects.
Laser compliance statement Some models of Lenovo 3000 computer are equipped fr om the factory with an optical storage device such as a CD-ROM drive or a DVD-ROM drive. Such devices are also sold separately as options. If one of these drives is installed, it is certified in the U.
A CD-ROM drive, a DVD-ROM drive, or any other storage device installed may contain an embedded Class 3A or Class 3B laser diode. Note the following: DANGER Emits visible and invisible laser radiation when open. Do not stare into the beam, do not view directly with optical instruments, and avoid direct exposure to the beam.
General descriptions The descriptions in this chapter apply to any Lenovo 3000 model that has the PC-Doctor ® for DOS diagnostics program. Some descriptions might not apply to your particular computer . Read this first Before you go to the checkout guide, be sur e to read this section.
Following is a list of some common items that are not cover ed under warranty and some symptoms that might indicate that the system was subjected to stress beyond normal use.
Related service information This section provides information about the following: v “Service We b site” v “Restoring the pre-installed system” v “Passwords” on page 20 v “Power manageme.
Passwords As many as three passwor ds may be needed for any Lenovo 3000 computer: the power-on passwor d (POP), the hard-disk password (HDP), and the supervisor password (SVP). If any of these passwords has been set, a pr ompt for it appears on the screen whenever the computer is turned on.
For how to remove the DIMM, see “1060 DIMM” on page 48. 5. Short J1 pad ( a ). a 6. Reinstall the DIMM and the DIMM slot cover . 7. Reinstall the battery pack. 8. T urn on the computer and wait until the POST ends. After the POST ends, the password pr ompt does not appear .
6. Select Hard-disk x password , where x is the letter of the har d disk drive. A pop-up window opens. 7. Select Master HDP . 8. T ype the current master HDP in the Enter Current Password field. then leave the Enter New Password field blank, and press Enter twice.
Hibernation mode In hibernation mode, the following occurs: v The system status, RAM, VRAM, and setup data are stor ed on the hard disk. v The system is powered of f. To cause the computer to enter hibernation mode, do any of the following: v Press the Fn+F12 keys.
Checkout guide Use the following procedur es as a guide in identifying and correcting problems with the Lenovo 3000 computer . Note: The diagnostic tests are intended to test only Lenovo 3000 pr oducts. The use of non-Lenovo 3000 products, pr ototype cards, or modified options can lead to false indications of errors and invalid system r esponses.
To ru n the test, do as follows: 1. Insert the PC-Doctor disk into the diskette drive; then power on the computer . If the computer cannot be powered on, go to “Power system checkout” on page 26, and check the power sources. If an error code appears, go to “Symptom-to-FRU index” on page 35.
Detecting system information with PC-Doctor PC-Doctor can detect the following system information: Hardware Info v System Configuration v Memory Contents v Physical Disk Drives v Logical Disk Drives v.
1 2 3 (20V) Pin V oltage (V dc) 1 +20 2 0 3 Ground Note: Output voltage of pin no.2 of the ac adapter may differ ent from the one you are servicing. 3. If the voltage is not correct, r eplace the ac adapter . 4. If the voltage is acceptable, do the following: v Replace the system board.
6(-) 5 4 1(+) 2(+) 3 7(-) T erminal V oltage (V dc) 1 + 0 to + 12.6 7 Ground (−) 3. If the voltage is less than +1 1.0 V dc, the battery pack has been discharged. Note: Recharging will take at least 3 hours, even if the indicator does not turn on. If the voltage is still less than +1 1.
Lenovo 3000 N100 Product overview . . . . . . . . . . . .3 0 Specifications . . . . . . . . . . . . .3 0 Status indicators . . . . . . . . . . . .3 2 FRU tests . . . . . . . . . . . . . .3 3 Fn key combinations . . . . . . . . . .3 4 Symptom-to-FRU index .
Product overview This section presents the following pr oduct-unique information: v “Specifications” v “Status indicators” on page 32 v “FRU tests” on page 33 v “Fn key combinations” o.
Feature Description Optical drive v CD-ROM drive, 12.7 mm high v DVD/CD-R W combo drive, 12.7 mm high v DVD-RAM/R W drive, 12.7 mm high I/O port v 4-1 Digital Media Reader v External monitor connector.
Status indicators The system status indicators show the status of the computer , as follows: 1 2 3 4 5 6 7 8 Indicator Meaning 1 Caps lock Caps Lock mode is enabled. Yo u can enter all alphabetic characters (A-Z) in uppercase without pr essing the Shift key .
Indicator Meaning 7 Battery status Green: The battery is charged between 80% to 100% of the capacity , and being discharged between 20% to 80% of the capacity . Blinking green: The battery is charged between 20% to 80% of the capacity , and being charged.
Fn key combinations The following table shows the function of each combination of Fn with a function key . Key combination Description Fn+F1 V olume down. Fn+F2 V olume up. Fn+F3 Reserved. Fn+F4 Put the computer in standby mode. To return to normal operation, press the Fn key only , without pressing a function key .
Symptom-to-FRU index The symptom-to-FRU index in this section lists symptoms and errors and their possible causes. The most likely cause is listed first, in boldface type. Note: Do the FRU replacement or other actions in the sequence shown in the column headed “FRU or action, in sequence.
Symptom or error FRU or action, in sequence 0260 System timer error 1. Charge the backup battery for more than 8 hours by connecting the ac adapter . 2. Replace the backup battery and run BIOS Setup Utility to reset the time and date. 3. System board.
Error messages Symptom or error FRU or action, in sequence Unsupported memory . DIMM . Make sur e to use supported memory . Device address conflict. 1. Load “Setup Defaults” in the BIOS Setup Utility . 2. Backup battery . 3. System board. Allocation error for device.
Beep symptoms Symptom or error FRU or action, in sequence One beep and a blank, unreadable, or flashing LCD. 1. Reseat the LCD connector . 2. LCD assembly . 3. External CR T . 4. System board. One long and two short beeps, and a blank or unreadable LCD.
LCD-related symptoms Important The TFT LCD for the notebook computer contains many thin-film transistors (TFT s). The presence of a small number of dots that ar e missing, discolored, or always lighted is characteristic of TFT LCD technology , but excessive pixel problems can cause viewing concerns.
Intermittent problems Intermittent system hang problems can be due to a variety of causes that have nothing to do with a hardwar e defect, such as cosmic radiation, electrostatic discharge, or softwar e errors. FRU replacement should be consider ed only when a problem r ecurs.
FRU replacement notices This section contains notices related to r emoving and replacing parts. Read this section carefully befor e replacing any FRU. Screw notices Loose screws can cause a r eliability problem.
v “Retaining the UUID” v “Reading or writing the ECA information” Restoring the serial number of the system unit When the computer was manufactured, the EEPROM on the system boar d was loaded with the serial numbers of the system and all major components.
To check what ECAs have been previously applied to the machine, use the ECA Information Read/W rite function on the CE Utility Diskette for Lenovo 3000 series notebooks. 1. Insert the CE Utility Diskette for Lenovo 3000 series notebooks, and restart the computer .
Removing and replacing a FRU This section presents dir ections and drawings for use in removing and replacing a FRU. Be sure to observe the following general r ules: 1. Do not try to service any computer unless you have been trained and certified. An untrained person runs the risk of damaging parts.
1010 Battery pack DANGER Unlock the battery release lever 1 and holding the battery r elease lever in the unlocked position 2 , remove the battery pack in the dir ection shown by arrow 3 . 3 2 1 Use only the battery specified in the parts list for your computer .
1020 Hard disk drive slot cover For access, remove this FRU: v “1010 Battery pack” on page 45 1 1 2 Step Screw (quantity) Color T orque 1 M2.
1040 PCI Express Mini Card for wireless LAN For access, remove these FRUs in or der: v “1010 Battery pack” on page 45 v “1020 Hard disk drive slot cover” on page 46 1 1 2 3 Step Screw (quantity) Color T orque 1 M2 × 4 mm, flat-head, nylon-coated (2) Black 0.
1050 DIMM slot cover For access, remove this FRU: v “1010 Battery pack” on page 45 1 2 Step Screw (quantity) Color T orque 1 M2.5 × 4 mm, flat-head, nylon-coated (1) Silver 0.
1070 Optical drive For access, remove these FRUs in or der: v “1010 Battery pack” on page 45 v “1050 DIMM slot cover” on page 48 (only for MT0689 and 0690) For MT0689, 0690 2 3 1 Step Screw (quantity) Color T orque 1 M2.5 × 4 mm, flat-head, nylon-coated (1) Silver 0.
1080 Thermal module slot cover and fan For access, remove this FRU: v “1010 Battery pack” on page 45 1 2 1 Step Screw (quantity) Color T orque 1 M2.5 × 4 mm, flat-head, nylon-coated (2) Silver 0.392 Nm (4 kgfcm) 4 5 3 3 3 Step Screw (quantity) Color T orque 3 M2.
1090 Thermal module For access, remove these FRUs in or der: v “1010 Battery pack” on page 45 v “1080 Thermal module slot cover and fan” on page 50 1 1 1 1 2 Step Screw (quantity) Color T orque 1 CPU thermal screw , nylon-coated (4) Silver 0.
When installing: Before you attach a new thermal module to the computer , peel off the covering film of thermal gr ease. Then attach the thermal module to the computer .
1 100 CPU For access, remove these FRUs in or der: v “1010 Battery pack” on page 45 v “1080 Thermal module slot cover and fan” on page 50 v “1090 Thermal module” on page 51 Attention: CPU is extremely sensitive. When you service the CPU, avoid any kind of rough handling.
111 0 Cover , strip (E cover) For access, remove this FRU: v “1010 Battery pack” on page 45 2 1 3 3 Removing and replacing a FRU 54 MT 0689, 0690, 0768.
1 120 Keyboard For access, remove these FRUs in or der: v “1010 Battery pack” on page 45 v “ 111 0 Cover , strip (E cover)” on page 54 1 1 Step Screw (quantity) Color T orque 1 M2.5 × 3 mm, flat-head, nylon-coated (2) Black 0.392 Nm (4 kgfcm) In step 2 , unlatch the keyboard.
Lift the keyboard a little in the dir ection shown by arrow 4 . Then unlock the connector 5 and detach the connector . 3 4 4 5 When installing: Make sure that the keyboar d connector is attached firmly .
1 130 Function board For access, remove these FRUs in or der: v “1010 Battery pack” on page 45 v “ 111 0 Cover , strip (E cover)” on page 54 v “1 120 Keyboard” on page 55 1 1 3 2 2 Step Screw (quantity) Color T orque 1 M2.5 × 3 mm, flat-head, nylon-coated (2) Black 0.
1 140 LCD unit For access, remove these FRUs in or der: v “1010 Battery pack” on page 45 v “1020 Hard disk drive slot cover” on page 46 v “1040 PCI Express Mini Car d for wireless LAN” on .
Pull out the wireless LAN antenna cables fr om the guide hole of the system board 2 , and release them fr om the cable guides of the frame 3 . 3 2 5 4 6 When installing: Make sure that the connectors 4 , 5 , and 6 ar e attached firmly .
8 8 7 7 Step Screw (quantity) Color T orque 7 M2.5 × 3 mm, flat-head, nylon-coated (2) Black 0.392 Nm (4 kgfcm) When installing: Route the antenna cables along the cable guides. When you route the cables, do not tense them. To do so, the cables may get damaged by the cable guides of the frame, and may cause a broken wir e.
1 150 To p cover assembly (C cover) with speakers and Bluetooth daughter card (BDC) For access, remove these FRUs in or der: v “1010 Battery pack” on page 45 v “1020 Hard disk drive slot cover.
For MT 0689, 0690 Note: Steps 2a and 3a are only for MT 0689 and 0690. 2a 2a 2a 2a 2a 2a 2a 2a Step Screw (quantity) Color T orque 2a M2.5 × 6 mm, flat-head, nylon-coated (15) Black 0.392 Nm (4 kgfcm) 3a 3a Step Screw (quantity) Color T orque 3a M2.
For MT 0768 Note: Steps 2b and 3b are only for MT 0768. 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b Step Screw (quantity) Color T orque 2b M2.5 × 6 mm, flat-head, nylon-coated (16) Black 0.392 Nm (4 kgfcm) 3b Step Screw (quantity) Color T orque 3b M2.
4 When installing: Make sure that the connectors ar e attached firmly . 5 5 5 5 5 5 Removing and replacing a FRU 64 MT 0689, 0690, 0768.
The Bluetooth daughter card is attached underside of the top cover assembly . To remove the Bluetooth daughter card, do as follows: 2 1 1 Step Screw (quantity) Color T orque 1 M2 × 4 mm, flat-head, nylon-coated (2) Black 0.245 Nm (2.5 kgfcm) When installing: Make sure that the connector is attached firmly .
1 160 USB/Audio connector card For access, remove these FRUs in or der: v “1010 Battery pack” on page 45 v “1020 Hard disk drive slot cover” on page 46 v “1040 PCI Express Mini Car d for wir.
1 170 VGA connector card For access, remove these FRUs in or der: v “1010 Battery pack” on page 45 v “1020 Hard disk drive slot cover” on page 46 v “1040 PCI Express Mini Car d for wireless .
1 180 System board, MDC, PC Card slot, and bottom cover assembly (D cover) For access, remove these FRUs, in or der: v “1010 Battery pack” on page 45 v “1020 Hard disk drive slot cover” on pag.
2 3 Step Screw (quantity) Color T orque 2 M2.5 × 3 mm, flat-head, nylon-coated (1) Black 0.392 Nm (4 kgfcm) In step 3 , remove the system boar d, the CPU, the MDC, and the PC Card slot together from the bottom cover .
To remove the MDC, do as follows: 1 1 2 Step Screw (quantity) Color T orque 1 M2.5 × 3 mm, flat-head, nylon-coated (2) Silver 0.392 Nm (4 kgfcm) When installing: Make sure that the connector on the underside of the car d is attached to the system board firmly , and then fasten the screws.
2010 LCD front bezel (B cover) For access, remove this FRU: v “1010 Battery pack” on page 45 1b 1a 1a 1b Note: Screws 1a ar e only for MT0768. Step Screw cap Screw (quantity) Color T orque 1a M2.5 × 5 mm, flat-head, nylon-coated (2) Black 0.
2020 Inverter card For access, remove these FRUs in or der: v “1010 Battery pack” on page 45 v “2010 LCD front bezel (B cover)” on page 71 1 3 4 2 Step Screw (quantity) Color T orque 1 M2.
2030 LCD panel, LCD cable, and hinges For access, remove these FRUs in or der: v “1010 Battery pack” on page 45 v “1020 Hard disk drive slot cover” on page 46 v “1040 PCI Express Mini Car d .
Remove the hinges ( a ) from the LCD panel. 3b 3a 3a 3b 4 4 a a 3a 3a Note: Screws 3b ar e only for MT0768. Step Screw (quantity) Color T orque 3a M2 × 3 mm, flat-head, nylon-coated (4) Silver 0.245 Nm (2.5 kgfcm) 3b M2 × 3 mm, flat-head, nylon-coated (4) Silver 0.
2040 Camera and LCD rear cover assembly (A cover) For access, remove these FRUs in or der: v “1010 Battery pack” on page 45 v “1020 Hard disk drive slot cover” on page 46 v “1040 PCI Express.
Locations Front view 1 Lenovo Care button 2 V olume control buttons 3 Built-in stereo speaker (right) 4 Keyboard 5 Fingerprint reader (for some models) 6 T ouch pad.
Rear view 1 RJ-1 1 (modem) connector 2 AC power connector 3 S-V ideo connector 4 External monitor connector 5 Optical drive 6 USB connectors 7 Microphone jack.
Parts list Overall 1 2 3 4 5 6 9 8 a 10 11 12 13 14 16 17 18 19 b c 21 20 7 15 22 23 Parts list 78 MT 0689, 0690, 0768.
v Each FRU is available for all types or models, unless specific types or models are specified. v A CRU (customer replaceable unit) is identified by a single asterisk (*) or two asterisks (**) in the CRU ID column. An N in the CRU ID column means the part is not a CRU.
No. FRU FRU no. RoHS ID CRU ID 12 PATA hard disk drive, 40 GB, 9.5 mm, 5,400 rpm Hitachi 92P6277 R * T oshiba 92P6279 R * PATA hard disk drive, 60 GB, 9.5 mm, 5,400 rpm Hitachi 92P6283 R * T oshiba 92P6285 R * PATA hard disk drive, 80 GB, 9.5 mm, 5,400 rpm Hitachi 27R2303 R * T oshiba 27R2305 R * PATA hard disk drive, 100 GB, 9.
No. FRU FRU no. RoHS ID CRU ID 20 Battery pack, Li-ion (6 cell) Sanyo 92P1 184 R * Sony 92P1 186 R * Battery pack, Li-ion (9 cell), Sanyo 92P1 188 R * 21 PC Card slot 41W5224 R N 22 CPU assembly , Intel Celer on Core pr ocessor 410 (1.46 GHz) (533 MHz) 41W5181 R N CPU assembly , Intel Celer on Core pr ocessor 420 (1.
LCD FRUs 1 2 3 4 7 5 6 14.1-in. WXGA TFT No. FRU FRU no. RoHS ID CRU ID 1 LCD front bezel, 14W 41W5209 R N LCD front bezel, 14W with camera 41W5210 R N 2 LCD panel, 14.1-in. WXGA AG, Samsung 13N7154 R N LCD panel, 14.1-in. WXGA AG, AUO 13N7156 R N LCD panel, 14.
15.4-in. WXGA TFT No. FRU FRU no. RoHS ID CRU ID 1 LCD front bezel, 15W 41W521 1 R N LCD front bezel, 15W with camera 41W5212 R N 2 LCD panel, 15.4-in.
Keyboard Language P/N (NMB) P/N (Chicony) RoHS ID CRU ID Arabic 39T7368 39T7432 R N Belgian 39T7365 39T7429 Chinese, T raditional 39T7379 39T7443 Czech 39T7373 39T7437 Danish 39T7362 39T7426 Dutch 39T7359 39T7423 English, U.K. 39T7357 39T7421 English, U.
Recovery CDs Windows XP Professional Language P/N RoHS ID CRU ID Arabic 42J7968 R * Chinese, Simplified 42J7961 Chinese, T raditional 42J7962 Chinese, T raditional (Hong Kong S.A.R.) 42J7963 Czech 42J7967 Danish 42J7957 Dutch 42J7960 English, U.K. 42J7950 English, U.
Windows XP Home Edition Language P/N RoHS ID CRU ID Arabic 42J8184 R * Chinese, Simplified TBD Chinese, T raditional 42J8178 Chinese, T raditional (Hong Kong S.A.R.) 42J8179 Czech 42J8183 Danish 42J8173 Dutch 42J8176 English, U.K. 42J8166 English, U.S.
Miscellaneous parts FRU P/N RoHS ID CRU ID Screw kit, 14W (including nylon-coated scr ews): v M2 × 3 mm (silver), flat head (9) v M2 × 4 mm (black), flat head (6) v M2 × 5 mm (silver), flat head (10) v M2.5 × 3 mm (black), flat head (18) v M2.5 × 4 mm (silver), flat head (10) v M2.
Common parts list T ools T ool P/N T riconnector wrap plug 72X8546 PC test card 35G4680 Audio wrap cable 66G5180 USB parallel test cable 05K2580 Screwdriver kit 95F3598 Mini PC tool set 00P7033 1/4" drive spinner handle 1650840 1/4" Sq.
Power cords A Lenovo 3000 power cord for a specific country or r egion is usually available only in that country or region: For 2-pin power cords: Region P/N RoHS ID CRU ID Canada, U.
Notices Lenovo may not offer the pr oducts, services, or features discussed in this document in all countries. Consult your local Lenovo repr esentative for information on the products and services curr ently available in your area.
estimated through extrapolation. Actual r esults may vary . Users of this document should verify the applicable data for their specific environment. T rademarks The following terms are trademarks of L.
Part Number: 41W7535 (1P) P/N: 41W7535.
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 Lenovo N100 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 Lenovo N100 - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation Lenovo N100, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le Lenovo N100 va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le Lenovo N100, 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 Lenovo N100.
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 Lenovo N100. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei Lenovo N100 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.
