HP Compaq d330 DT Troubleshooting Manual page 72

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