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CheckingInside the Computer 7-21
6. Replace the computer cover,reconnect the system to an electrical outlet,and
turn on the system.
Didthe tests run successfully?
Yes . Thevideo expansion card is faulty. See Chapter 10,“Getting Help,”for
instructionson obtaining technical assistance.
No.See Chapter 10, “Getting Help,”forinstructions on obtaining assistance.
Troubleshooting the System Board
Asystem board problem can result from a defective systemboard component, a
faultypower supply, or a defectivecomponent connected to the system board. If an
errormessage indicates a system board problem, followthese steps to troubleshoot
the problem:
1. Turn offthe system, including any attachedperipherals, and disconnect the sys-
tem from its electrica l outlet.
CAUTION: See “Protecting Against Electrostatic Dischar ge” in the safety
instructions at the front of this guide.
2. Remove the computer cover.
See“Re moving the Com puter Cover,”found earlier in this chapter.
3. Reseat the DIMMs in their sockets.
See“Ad ding Memory,”in Chapter 8, for instructions on removing and replacing
DIMMs.
4. Replace the computer cover,reconnect the system to the electrical outlet,and
turn on the system.
Isthe problem resolved?
Yes . Youhave fixed the problem.
No. Goto step 5.
5. Remove all expansioncards except the SCSI host adapter card and the video
expansioncard (if they are installed).
6. Replace the computer cover,reconnect the system to the electrical outlet,and
turn on the system.
7. For any ISA expansioncards, run the RCU and update the configuration
information.
See“Using the Resource Configuration Utility”in the
User'sGuide
for
instructions.
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