Service manual

Running the Dell Diagnostics: Dell Latitude CP
3. Turn off the computer.
4. Place the Dell Diagnostics Diskette in the diskette drive, and boot the computer.
NOTE: Before you read the rest of this chapter, you may want to start the Dell
Diagnostics so you can see the menus on your display.
When you start the diagnostics, the Dell logo screen appears, and a program tests the random-
access memory (RAM) that will be used by the diagnostics.
If a failure in RAM is detected, a message appears on the screen telling you the memory
address of the defective memory module. Write down the memory address and see Getting
Help, for instructions on obtaining technical assistance.
If no errors are found in RAM, the diagnostics loads and the Diagnostics Menu appears (see
Figure 4-1). The menu allows you to exit to the MS-DOS prompt.
Figure 4-1. Diagnostics Menu
For a quick check of your system, select the Run Quick Tests option. This option runs only the
subtests that do not require user interaction and that do not take a long time to run. Dell
recommends that you choose this option first to increase the odds of tracing the source of the
problem quickly. For a complete check of your system, select the Run All Tests option. To
check a particular area of your system, select the Run Specific Tests option.
How to Use the Dell Diagnostics
When you select Run All Tests or Run Specific Tests from the Diagnostics Menu, the main
screen of the diagnostics appears (see Figure 4-2). The main screen lists the diagnostic test
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