support.dell.com
CheckingInside the Computer 7-15
CAUTION: See "Protecting Against Electrostatic Disc harge" in the safety
instructions at the front of this guide.
3. Remove the computercover. See “Replacing the Computer Cover,”found earlier
in this chapter.
4. Check the power cableconnection to the POWER_1 connector on the system
board

.

Troubleshooting the Cooling Fan
Ifyou experience trouble with the coolingfan, make sure the fan cable is plugged into
theFAN connector on the system board.
Troubleshooting Expansion Cards
Ifan error message indicates an expansion-card problem ori f an expansioncard
seemsto perform incorrectly or not atall, the problem could be a faulty connection,a
conflictwith software or other hardware,or a faulty expansion card. Follow these
stepsto troubleshoot expansion cards:
1. Start the Resource ConfigurationUtility (RCU), and verify that all ISA expansion
cardshave been configured correctly.Save the configuration before exiting the
utility.
See“Using the Resource Configuration Utility”in the
User'sGuide
for
instructions.
2. Turnoff the system, including any attachedperipherals, and disconnect the sys-
temfrom the electrical outlet.
CAUTION: See “Protecting Against Electrostatic Dischar ge” in the safety
instructions at the front of this guide.
3. Remove the computer coverand verify that each expansion card isfirmly seated
inits connector.
See“Re moving the Com puter Cover,”found earlier in this chapter.
Arethe expansion cards properly seated in their connectors?
Yes

.

Goto step 5.
No. Goto step 4.
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