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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).
2. Remove all cards except the graphics card. See the appropriate "Cards" section for
your computer.
If your primary hard drive is connected to a drive controller card and not to one of
the system board IDE connectors, leave the drive controller card installed in the
computer.
3. Close the computer cover (see
Replacing the Computer Cover), reconnect the
computer and devices to electrical outlets, and then turn them on.
4. Run the Dell Diagnostics. See
Dell Diagnostics.
Test the cards —
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 for your computer).
2. Reinstall one of the cards that you removed previously. See see appropriate
"Cards" section for your computer.
3. Close the computer cover, reconnect the computer and devices to electrical outlets,
and then turn them on (see
Replacing the Computer Cover).
4. Run the Dell Diagnostics. See
Dell Diagnostics.
If any of the tests fail, the card you just reinstalled is faulty and needs to be replaced.
5. Repeat this process until you have reinstalled all cards.
Drive Problems
CAUTION: Before you begin any of the procedures in this section, follow the safety
instructions in the Product Information Guide.
CAUTION: To guard against electrical shock, always unplug your computer from the
electrical outlet before opening the cover.
NOTICE: To prevent static damage to components inside your computer, discharge static
electricity from your body before you touch any of your computer's electronic components. You
can do so by touching an unpainted metal surface on the computer.
http://support.dell.com/support/edocs/systems/op745/en/UG_en/solving.htm (3 of 18) [10/19/2007 9:39:12 AM]