system board between the expansion slots, is visible.
4.
Remove all non COMPAQ options (board, drives, and so on) from the
computer.
5.
Install a loopback plug connector in the parallel port and the
asynchronous port and any other location that requires a loopback plug.
NOTE:
If you want to test your printer during the printer test or to log
errors to a printer, reconnect the printer now.
6.
Verify that the AC power cable is connected to a usable power outlet.
7.
Insert the latest version of the COMPAQ DIAGNOSTICS Program diskette into
drive A and close the drive door.
8.
Place the ON/OFF switch in the ON position.
See Chapter 4, "DIAGNOSTIC
Procedures," for detailed information on problem isolation.
Chapter 2.4 Problem Isolation Flowchart
The problem isolation flowchart provides a quick reference for identifying and
correcting possible problems that may occur during POST.
The flowchart gives
troubleshooting procedures for identifying malfunctions and replacing major
assemblies in the computer and directs you to Chapter 4, "Diagnostic
Procedures," and to Chapter 5, "Error Messages and Codes," for more detailed
troubleshooting information.