Dell Precision 330 - Manual (Page 147)

Solving Problems 147
6 Ensure that the microprocessor fan cables are firmly connected to the
connectors on the system board.
7 Remove and install the VRM.
8 Replace the computer cover .
9 Stand the computer upright.
10 Reconnect the computer and devices to their electrical outlets, and
turn them on.
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. If an error 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 ."
1 Reboot the system 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 peripherals, disconnect them from their
electrical outlets, wait at least 5 seconds, and then remove the
computer cover .
3 Ensure that the power cables from the power supply are firmly
connected to the connectors on the system board.
4 Replace the computer cover, reconnect the computer and peripherals
to their electrical outlets, and turn them on.
Is the computer working properly?
Yes. The problem is resolved.