Manuel d'utilisation / d'entretien du produit 745 du fabricant Dell
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Solving Problems: Dell OptiPlex 745 User's Guide Back to Contents Page Solving Problems Dell ™ OptiPlex ™ 745 User's Guide Troubleshooting Tips Battery Problems Card Problems Drive Probl.
Solving Problems: Dell OptiPlex 745 User's Guide CAUTION: There is a danger of a new battery exploding if it is incorrectly installed. Replace the battery only with the same or equivalent type recommended by the manufacturer. Discard used batteries according to the manufacturer's instructions.
Solving Problems: Dell OptiPlex 745 User's Guide Test the graphics card — 1. Turn off the computer and devices, disconnect them from their electrical outlets, wait 10 to 20 seconds, and then remove the computer cover (see the appropriate "Removing the Computer Cover" section).
Solving Problems: Dell OptiPlex 745 User's Guide Fill out the Diagnostics Checklist as you complete these checks. Test the drive — ● Insert another floppy disk, CD, or DVD to eliminate the possibility that the original one is defective. ● Insert bootable media and restart the computer.
Solving Problems: Dell OptiPlex 745 User's Guide Hard drive problems Run Check Disk — 1. Click the Start button and click My Computer . 2. Right-click Local Disk C: . 3. Click Properties . 4. Click the Tools tab. 5. Under Error-checking , click Check Now .
Solving Problems: Dell OptiPlex 745 User's Guide Ensure that you are connected to the Internet — Ensure that you have subscribed to an Internet provider. With the Outlook Express e-mail program open, click File . If Work Offline has a checkmark next to it, click the checkmark to remove it and connect to the Internet.
Solving Problems: Dell OptiPlex 745 User's Guide Check the cable connections — Ensure that the card fan cable is connected firmly to the card fan connector on the system board (see the appropriate "System Board Components" section for your computer).
Solving Problems: Dell OptiPlex 745 User's Guide A program crashes repeatedly NOTE: Software usually includes installation instructions in its documentation or on a floppy disk or CD. Check the software documentation — If necessary, uninstall and then reinstall the program.
Solving Problems: Dell OptiPlex 745 User's Guide No drive letter is assigned — When Microsoft Windows XP detects the Media Card Reader, the device is automatically assigned a drive letter as the next logical drive after all other physical drives in the system.
Solving Problems: Dell OptiPlex 745 User's Guide If you receive an insufficient memory message — ● Save and close any open files and exit any open programs you are not using to see if that resolves the problem. ● See the software documentation for minimum memory requirements.
Solving Problems: Dell OptiPlex 745 User's Guide Restart the computer — 1. Simultaneously press <Ctrl><Esc> to display the Start menu. 2. Type u , press the keyboard arrow keys to highlight Shut down or Turn Off , and then press <Enter>.
Solving Problems: Dell OptiPlex 745 User's Guide Check the network cable connector — Ensure that the network cable is firmly inserted into both the network connector on the back of the computer and the network jack. Check the network lights on the front or back of the computer depending on system chassis type.
Solving Problems: Dell OptiPlex 745 User's Guide If the power light is amber and green or steady amber — A device might be malfunctioning or incorrectly installed. ● Remove and then reinstall the memory modules. ● Remove and then reinstall any cards.
Solving Problems: Dell OptiPlex 745 User's Guide Check the printer cable connections — ● See the printer documentation for cable connection information. ● Ensure that the printer cables are securely connected to the printer and the computer.
Solving Problems: Dell OptiPlex 745 User's Guide Serial or Parallel Device Problems Fill out the Diagnostics Checklist as you complete these checks. CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide .
Solving Problems: Dell OptiPlex 745 User's Guide Adjust the Windows volume control — Click or double-click the speaker icon in the lower-right corner of your screen.
Solving Problems: Dell OptiPlex 745 User's Guide Check the headphone cable connection — Ensure that the headphone cable is securely inserted into the headphone connector. Disable digital mode — Your headphones do not work if the CD drive is operating in digital mode.
Solving Problems: Dell OptiPlex 745 User's Guide Check the monitor power light — If the power light is off, firmly press the button to ensure that the monitor is turned on. If the power light is lit or blinking, the monitor has power. If the power light is blinking, press a key on the keyboard or move the mouse.
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 Dell 745 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 Dell 745 - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation Dell 745, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le Dell 745 va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le Dell 745, 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 Dell 745.
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 Dell 745. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei Dell 745 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.
