Dell 760 Guia do Utilizador descarregar pdf (Página 164)

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Power Supply Diagnostic Light

The power supply diagnostic light located on the back of the computer, near the power connector. The light remains solid or off to indicate different states:

l No light — Indicates no power available for the power supply or the power supply is not working.

l Green light — Indicates power availability for the power supply.

Steady

Green

l If available, install working memory of the same type into your computer (see Memory).

l If the problem persists, contact Dell (see Contacting Dell).

Steady

Green

A possible graphics card failure has

occurred.

l Reseat any installed graphics cards (see the "Cards" section for your computer).

l If available, install a working graphics card into your computer.

l If the problem persists, contact Dell (see Contacting Dell).

Steady

Green

A possible floppy drive or hard drive

failure has occurred.

Reseat all power and data cables.

Steady

Green

A possible USB failure has occurred.

Reinstall all USB devices and check all cable connections.

Steady

Green

No memory modules are detected.

l If two or more memory modules are installed, remove the modules (see Removing Memory

Module (s)), then reinstall one module (see Installing Memory Module (s)) and restart the

computer.

If the computer starts normally, continue to install additional memory modules (one at a

time) until you have identified a faulty module or reinstalled all modules without error.

l If available, install working memory of the same type into your computer (see Memory).

l If the problem persists, contact Dell (see Contacting Dell).

Steady

Green

Memory modules are detected, but a

memory configuration or compatibility

error has occurred.

l Ensure that no special requirements for memory module/connector placement exist.

l Ensure that the memory you are using is supported by your computer (see the Setup and

Quick Reference Guide that ships with your computer).

l If the problem persists, contact Dell (see Contacting Dell).

Steady

Green

A possible expansion card failure has

occurred.

l Determine if a conflict exists by removing an expansion card (not a graphics card) and

restarting the computer (see the "Cards" section for your computer).

l If the problem persists, reinstall the card you removed, then remove a different card and

restart the computer.

l Repeat this process for each expansion card installed. If the computer starts normally,

troubleshoot the last card removed from the computer for resource conflicts.

l If the problem persists, contact Dell (see Contacting Dell).

Steady

Green

Another failure has occurred.

l Ensure that all hard drive and optical drive cables are properly connected to the system

board (see the "System Board Components" section for your computer).

l  If there is an error message on the screen identifying a problem with a device (such as the

floppy drive or hard drive), check the device to make sure it is functioning properly.

l  If the operating system is attempting to boot from a device (such as the floppy drive or

optical drive), check system setup to ensure the boot sequence is correct for the devices

installed on your computer.

l If the problem persists, contact Dell (see Contacting Dell).

Blinking Green

The computer is in standby mode.

Press a key on the keyboard, move the mouse, or press the power button to resume normal

operation.

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