Dell OptiPlex GX150 - Manual (Page 76)

Yes. The problem is resolved.
No. You may have a faulty system board. Contact Dell for technical assistance.
Expansion Card Problems
If an error message indicates an expansion card problem or if an expansion card seems to perform incorrectly or not at all, the problem could be a
faulty connection, a conflict with software or other hardware, or a faulty expansion card.
Fill out the Diagnostics Checklist as you perform the following steps.
1. Turn off the computer and peripherals, disconnect them from their electrical outlets, wait at least 5 seconds, and then open the computer
cover.
2. If you have a mini tower chassis, remove the AGP card brace.
3. Make sure each expansion card is firmly seated in its connector. If any expansion cards are loose, reseat them.
4. Make sure all cables are firmly connected to their corresponding connectors on the expansion cards. If any cables appear loose, reconnect
them.
For instructions on which cables should be attached to specific connectors on an expansion card, see the expansion card's
documentation.
5. If you have a mini tower chassis, replace the AGP card brace.
6. Close the computer cover, reconnect the computer and peripherals to their electrical outlets, and turn them on.
Is the system working properly?
Yes. The problem is resolved.
No. You may have a faulty expansion card. Proceed to step 7.
7. Turn off the computer and peripherals, disconnect them from their electrical outlets, wait at least 5 seconds, and then open the computer
cover.
8. Remove all expansion cards except the video card.
9. Close the computer cover, reconnect the computer and peripherals to their electrical outlets, and turn them on.
10. Run the RAM test group in the Dell Diagnostics.
Did any of the diagnostics tests fail?
Yes. Contact Dell for technical assistance.
No. Proceed to step 11.
11. Turn off the computer and peripherals, disconnect them from their electrical outlets, wait at least 5 seconds, and then open the computer
cover.
12. Reinstall one of the expansion cards that you removed previously, and repeat steps 9 and 10.
Did any of the diagnostics tests fail?
Yes. The expansion card you just reinstalled is faulty and needs to be replaced.
No . Repeat steps 11 and 12 with another expansion card. Proceed to step 13.
13. If you have replaced all the expansion cards and the problem is not resolved, contact Dell for technical assistance.
Recover From a Program That Is Not Responding
1. Press .
2. The Close Program window appears.
CAUTION: Before you perform this procedure, see " Safety Information ."
NOTE: If your primary hard drive is connected to a drive controller card and not one of the system board EIDE connectors, leave the
drive controller card installed in the computer.