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Checking Inside the Computer 7-1
Chapter 7
Checking Inside the Computer
T
his chapter provides troubleshooting procedures for
components inside the computer. Before you start any of
the procedures in this chapter, do the following:
•
Perform the procedures described in “Checking Con-
nections and Switches” and “The System Setup
Program” in Chapter 2.
•
Read the safety instructions in “Safety First—For
You and the Computer” next in this chapter.
You need the following items to perform the procedures
in this chapter:
•
The Dell Server Assistant CD
•
The system documentation
•
A #2 Phillips-head screwdriver (or
1/4
-inch hex-nut
driver)
•
The key to the system keylocks
NOTE: When you see the question, “Is the problem
resolved?” in a troubleshooting procedure, perform the opera-
tion that caused the problem.
S
afety First
—
For You and the
Computer
The procedures in this chapter require that a trained ser-
vice technician remove the covers and work inside the
computer. While working inside the computer, do not
attempt to service the computer except as explained in
this guide and elsewhere in Dell documentation. Always
follow the instructions closely.
WARNING: The power supplies in this computer
system produce high voltages and energy hazards,
which can cause bodily harm. Only trained service
technicians are authorized to remove the computer
covers and access any of the components inside the
computer.
WARNING: Before a trained service technician
accesses the inside of the computer, any and all
power supplies must be disconnected from their
power source, and the cables to the power supplies
must also be disconnected. If this computer has
more than one power supply, disconnect both
power supply cords before servicing to avoid
electrical shock.