Manuel d'utilisation / d'entretien du produit QW778AAR#ABA du fabricant HP (Hewlett-Packard)
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Troubleshooting and Maintenance Guide.
Copyright and License © Copyright 2011 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. The only warranties for Hewlett-Packard products and services are set forth in the express statements accom panying such products and services.
Table of contents 1 Pr otectin g your computer . ................ ................. ................ ..................... ................ .......... 1 Computer s ecurity fe atures .... ................... .................. .................. ......
iv ENWW.
1 Protecting your computer Your computer contains featu res that help protect the integrity of your system and its data from unauthorized access. Review these features to ensure proper use.
2 Troubleshooting Refer to the documentation provided by the produc t manufacturer for information about peripheral- specific problems, such as issues with a monitor or a print er. The following tables present some issues you might encounter while in stalli ng, starting up, or u sing your computer and possible so lutions.
Symptom Possible solution Computer seems to be locked up and is not responding. Use the Windows Task Manager to close any programs not responding, or restart the computer: 1. Press the Ctrl+Alt+Delete keys on the keybo ard simultaneously. 2. Click Start Task Manager .
Power Symptom Possible solution Computer does not turn off when the Power button is pressed. Press and hold the Power button u ntil the computer turns off. Check Power Settings. Computer shuts down automatically. ● The computer migh t be in an exceedingly hot environment.
Symptom Possible sol ution Mouse (with cable) does not work or is not detected. Unplug and reconnect the mou se cable to your computer. If the mouse is still not detected, turn off the computer , unplug and reconnect the mo use cable, and then restart the computer.
Keyboard and mouse (wireless) Symptom Possible sol ution Wireless keyboard or mouse does not work or is not detected. ● Ensure that you are us ing the wireless keyboard or wireless mouse within ra nge of the receiver, approximately 10 meters (32 feet) for normal use, and within 30 cm (12 inches) during initial setup or for re-synchronization.
Symptom Possible sol ution No sound is produced. For Windows 7: 1. Click Start , click Control P anel , click Action Center , and then click Troubleshooting .
Software troubleshooting To repair software problems, try thes e methods: ● Turn the computer off completely and then tu rn it on again. This is the easiest (and som etimes the best) way. ● Update the drivers (see Updating device drivers, following) .
Software program and hardware driver reinstallation If any of your factory-installed soft wa re programs or hardware drivers are dam aged, you can reinstall it by using the Recovery Manager progra m (select models on ly).
3 System recovery System Recovery completely erases and reform ats the hard dis k driv e, deleting all data files you have created, and then reinstalls the operating system, programs, and drive rs. Howe ver, you must reinstall any software that was not installed on the computer at the factory.
If the computer is working and Windows 7 is responding, use these steps to perfor m a System Recovery . 1. Turn off the computer. 2. Disconnect all perip heral devices from the computer except the mo nitor, keyboard, an d mouse. 3. Turn on the computer.
8. Complete the registration process, and wait until you see the desktop. 9. Turn off the computer , reconnect all pe ripheral de vices, and tur n the computer b ack on. System Recovery fr om recovery media CAUTION: System Recovery deletes a ll data and pr ogra ms you created or installed .
Choosing recovery media ● To create re covery discs, you r computer mus t have a DVD writer, and you must use only high- quality blank DVD+R or D VD-R discs. NOTE: You cannot use CDs or DVD+RW, DVD-RW, DVD+RW DL, DVD-RW DL, DVD+R DL, or DVD-R DL discs to create recovery discs.
5. Select the USB flash drive from the list of medi a. The program lets you know how much storage is required to create the recovery drive. If the USB flash drive does not have enough storage capacity (8 GB is the minimum), it i s grayed ou t on the scree n.
4 Maintenance It is important that you perform simple maintenance of your computer to ensu re that it works at peak performance. Schedules and tasks Follow these instructions at th e recommended intervals for proper maintenance.
Cleaning the computer and monitor Follow these steps to cle an the computer and monitor: 1. Unplug the power to the computer and the monitor. 2. To clean the monitor screen, use a clean, dry cloth. Do not use water on the monitor screen. For more thorough cleaning, use a clea n clot h and antistatic screen cleaner.
Follow these steps to cle an the touch screen: 1. Turn off the computer. Tap the Start button, and then tap Shut Down . 2. Disconnect the power cord from the wall. 3. Spray a small amount of mild glass cleaner on a soft cloth to clean the touch screen.
The power to make a change Thank you for your pur chase. HP is de dicated to producing th e h igh est quality, best perfor ming, and easiest to use compute rs in the wo rld. HP also de signed this product with the environment in mind. But to reduce its impact even f urther, we need your help.
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 HP (Hewlett-Packard) QW778AAR#ABA 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 HP (Hewlett-Packard) QW778AAR#ABA - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation HP (Hewlett-Packard) QW778AAR#ABA, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le HP (Hewlett-Packard) QW778AAR#ABA va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le HP (Hewlett-Packard) QW778AAR#ABA, 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 HP (Hewlett-Packard) QW778AAR#ABA.
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 HP (Hewlett-Packard) QW778AAR#ABA. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei HP (Hewlett-Packard) QW778AAR#ABA 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.
