Chapter 4
ADVANCED DIAGNOSTICS PROGRAM
Maintenance and Service Guide |
This chapter describes the ADVANCED DIAGNOSTICS program for the COMPAQ personal computer being tested. The screens and information displayed are specific to the system being tested. Diagnostics verify the proper operation of the computer.
NOTE: When running the program, be sure to record any messages that are displayed during a test. This information helps in determining defective parts or assem- blies. Refer to Chapter 5, ERROR MESSAGES AND CODES, for error descriptions and the procedures recommended for correcting the error condition.
4.1 PRELIMINARY STEPS
Before running the ADVANCED DIAGNOSTICS program, complete the following steps:
1.Turn off the computer.
2.Disconnect any peripheral devices other than the keyboard and monitor. Do not disconnect the printer if you want to test it or use it to log error messages.
3.Install loopback and terminating plugs for complete testing.
4.Insert the ADVANCED DIAGNOSTICS diskette into drive A.
5.Turn the diskette drive latch to engage the drive.
