Compaq Portable II Maintenance And Service Manual page 10

controller board.
o If a color graphics or composite video monitor is not available, replace
the video display controller board.
o If a color graphics or composite video monitor is not available and
replacing the video display controller board does not solve the problem,
replace the internal video display unit.
If you do not hear a beep, replace the system board.
audible sounds, refer to Chapter 5 for more information on POST related error
messages.
6. Did the cursor disappear from the screen, replaced by the number of Kbytes
(shown in increments) on the display screen?
YES: This indicates the memory self test portion of POST.
step 7.
NO: Replace the system board.
procedures.
7. Did the LEDs on the mass storage device flash, followed by one or two
short beeps?
YES: This indicates that POST and the SETUP utility have completed
successfully.
DIAGNOSTICS menu should appear on the display screen.
Refer to Chapter 4 for additional information on the COMPAQ
DIAGNOSTICS program.
NO: If the cursor reappears and remains on the screen, replace
the system board.
If one audible tone is heard and an error message appears, the SETUP
function was not completed on the system.
proceed to Chapter 3 in this guide for information on the SETUP
function.
Restart the system problem isolation
The DIAGNOSTICS program should then boot and the
If you hear any other
Proceed to
Press the F1 key and