Troubleshooting

Troubleshooting Guide www.hp.com 2–12
Troubleshooting
Red Power LED
flashes 6 times, one
every second,
followed by a 2
second pause. Also
6 simultaneous
beeps will be
heard.
6Pre-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 8 times, one
every second,
followed by a 2
second pause. Also
8 simultaneous
beeps will be
heard.
8Invalid ROM
based on bad
checksum.
1. Reflash the system ROM with the
latest BIOS image.
2. Replace the system board.
Inclining beeps
when password
entered.
Rapid
incline
Incorrect
password entered.
Enter the correct password.
Declining beeps
when password
entered.
Rapid
decline
Correct password
entered.
No action required.
Diagnostic Front Panel LEDs and Audible Codes (Continued)
Activity Beeps Possible Cause Recommended Action