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178 Solving Problems
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CAUTION: Before you perform this procedure, see “Safety First—
For You and Your Computer.”
1
Reboot the computer and run the System Board Devices test group in
the Dell Diagnostics.
Did any of the tests fail?
Yes. Contact Dell for technical assistance.
No. Go to step 2.
2 Turn off the computer and devices, disconnect them from their
electrical outlets, wait 10 to 20 seconds, and then open the computer
cover.
3 Make sure the power cables from the power supply are firmly
connected to the connectors on the system board.
4 Close the computer cover, reconnect the computer and devices to
their electrical outlets, and turn them on.
Is the computer working properly?
Yes. The problem is resolved.
No. Go to step 5.
5 Perform the procedure in “Expansion Card Problems.”
Is the computer working properly?
Yes. The problem is resolved.
No. Go to step 6.
6 Perform the procedure in “Keyboard Problems.”
Is the computer working properly?
Yes. The problem is resolved.
No. Go to step 7.
7 Perform the procedure in “Resetting a Damaged System Board.”
Is the computer working properly?
Yes. The problem is resolved.
No. Contact Dell for technical assistance.