Chapter 7
Checking Inside the Computer
This 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
You need the following items to perform the procedures in this chapter:
Safety First— For You and the Computer
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.
•The Dell Server Assistant CD
•The system documentation
•A #2
•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.
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: 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.
Checking Inside the Computer |
