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7. Vostro 1510 の取扱説明書・マニュアル

Vostro 1510の取扱説明書・マニュアル [全62ページ 1.36MB]

Back to Contents Page  TroubleshootingDell™ Vostro™ 1510 Service Manual  Troubleshooting Tools  Solving Problems  Dell Technical Update Service  Dell Support Utility Troubleshooting Tools Diagnostic Lights CAUTION: Before you begin any of the procedures in this section, follow the safety instructions that shipped with your computer.Your computer has three keyboard status lights located above the keyboard. During normal operation, the keyboard status lights display the current status(on or off) of the Num Lock, Caps Lock, and Scroll Lock features. If the computer starts without error, the lights flash, and then turn off. If the computermalfunctions, however, you can use the status of the lights to help identify the problem.NOTE: After the computer completes POST, the Num Lock light may remain on, depending on your BIOS settings. For more information on using thesystem setup program, see the Dell™ Technology Guide on your computer or at support.dell.com. Diagnostic Light Codes During POSTTo troubleshoot a problem with your computer, read the sequence of the keyboard status lights in order from left to right (Num Lock, Caps Lock, and thenScroll Lock). If the computer malfunctions the individual lights display a status of either On, Off, or Flashing.   LightPatternProblem DescriptionSuggested ResolutionNo memory modules aredetected.lllMemory modules aredetected, but a memoryfailure has occurred.lllA possible processorfailure has occurred.lA possible graphicscard/video failure hasoccurred.lA possible LCD failure hasoccurred.lA possible keyboardfailure has occurred.lllllllA possible USB controllerfailure has occurred.ll If two or more memory modules are installed, remove the modules (see Removing a Memory Module), thenreinstall one module (see Replacing a Memory Module) and restart the computer. If the computer startsnormally, continue to install additional memory modules (one at a time) until you have identified a faultymodule or reinstalled all modules without error. If available, install working memory of the same type into your computer (see Memory). If the problem persists, contact Dell Support. If two or more memory modules are installed, remove the modules (see Removing a Memory Module), thenreinstall one module (see Replacing a Memory Module) and restart the computer. If the computer startsnormally, continue to install additional memory modules (one at a time) until you have identified a faultymodule or reinstalled all modules without error. If available, install working memory of the same type into your computer (see Memory). If the problem persists, contact Dell Support. Reseat the processor (see Removing the Processor Module). If the problem persists, contact Dell Support. Reseat any installed graphics cards. If available, install a working graphics card into your computer. If the problem persists, contact Dell Support. Reseat the LCD cable (see Removing the Display Assembly). If the problem persists, contact Dell Support. Reseat the keyboard (see Removing the Keyboard). If available, connect an external keyboard. If the problem persists, contact Dell Support. Remove any USB devices. If the problem persists, contact contact Dell Support. Hardware TroubleshooterIf a device is either not detected during the operating system setup or is detected, but incorrectly configured, you can use the Hardware Troubleshooter to

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