172 Solving Problems
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NOTICE: Before disconnecting a device from the computer, wait 10 to 20
seconds after disconnecting the computer from its electrical outlet. Before
removing a component from the system board, verify that the standby power
light on the system board has turned off. T o locate this light, see "System Board
Components" or the interior service label.
1Reboot 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.
2Turn off the computer and devices, disconnect them from their
electrical outlets, and wait 10 to 20 seconds.
3Lay the computer on its right side.
4Open the computer cover.
5Ensure that the power cables from the power supply are firmly
connected to the connectors on the system board.
6Close the computer cover.
7Stand the computer upright.
8Reconnect 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 9.
9Perform the procedure in "System Memory Problems."
Is the computer working properly?
Yes. The problem is resolved.
No. Go to step 10.
10 Perform the procedure in "Expansion-Card Problems."
Is the computer working properly?
Yes. The problem is resolved.
No. Go to step 11.