Dell PRECISION 530 - Manual (Page 174)

174 Solving Problems
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Is the computer working properly?
Yes. The problem is resolved.
No.
Contact Dell for technical assistance.
System Board Problems
A system board problem can result from a defective system board
component, a faulty power supply, or a defective component connected to
the system board.
Before you perform the following steps, check the diagnostic lights to see if
the specific problem is identified. If a system message indicates a system
board problem, fill out the Diagnostics Checklist as you perform the
following steps.
CAUTION: Before you perform this procedure, see " Safety First—
For You and Your Computer ."
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. To locate this light, see "
System Board
Components " or the interior service label.
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, and wait 10 to 20 seconds.
3 Lay the computer on its right side.
4 Open the computer cover .
5 Ensure that the power cables from the power supply are firmly
connected to the connectors on the system board.
6 Close the computer cover .
7 Stand the computer upright.