Troubleshooting Guide
www.hp.com
A–15
POST Error Messages
Red Power LED
flashes six times,
once every
second, followed
by a two second
pause.
6
Pre-video graphics
error.
For systems with a graphics card:
1. Reseat the graphics card. Power on
the system.
2. Replace the graphics card.
3. Replace the system board.
For systems with integrated graphics,
replace the system board.
Red Power LED
flashes seven
times, once
every second,
followed by a
two second
pause.
7
System board
failure (ROM
detected failure
prior to video).
Replace the system board.
Red Power LED
flashes eight
times, once
every second,
followed by a
two second
pause.
8
Invalid ROM based
on bad checksum.
1. Reflash the ROM using a ROMPaq
diskette. See the “ROM Flash”
section of the
Desktop
Management Guide
.
2. Replace the system board.
Diagnostic Front Panel LEDs and Audible Codes
(Continued)
Activity
Beeps
Possible Cause
Recommended Action