Dell 755 Personal Computer User Manual


 
332 Solving Problems
Drive Problems
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product
Information Guide.
C
HECK THE CARD SEATING AND CABLE
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
Ensure that each card is firmly seated in its connector. Reseat any loose cards.
3
Ensure that all cables are firmly connected to their corresponding connectors on the cards. If any cables
appear loose, reconnect them.
For instructions on which cables should be attached to specific connectors on a card, see the card's
documentation.
4
Close the computer cover reconnect the computer and devices to electrical outlets, and then turn them
on (see "Replacing the Computer Cover" on page 317).
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" on page 317), reconnect the computer
and devices to electrical outlets, and then turn them on.
4
Run the Dell Diagnostics. See "Dell Diagnostics" on page 353.
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" on page 317).
4
Run the Dell Diagnostics. See "Dell Diagnostics" on page 353.
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.