HP Dx5150 - Compaq Business Desktop Troubleshooting Manual page 72

POST Error Messages
Diagnostic Front Panel LEDs and Audible Codes (Continued)
Activity
Red Power LED
flashes six times,
once every second,
followed by a
two-second pause.
The Power LED will
continue flashing
until the problem is
resolved.
Red Power LED
flashes seven times,
once every second,
followed by a
two-second pause.
The Power LED will
continue flashing
until the problem is
resolved.
Red Power LED
flashes eight times,
once every second,
followed by a
two-second pause.
The Power LED will
continue flashing
until the problem is
resolved.
Red Power LED
flashes nine times,
once every second,
followed by a
two-second pause.
The Power LED will
continue flashing
until the problem is
resolved.
A–8
Possible
Beeps Cause
6 Pre-video
graphics error.
7 System board
failure (ROM
detected
failure prior to
video).
8 Invalid ROM
based on bad
checksum.
9 or None, System powers
depending on but is
on the unable to
issue boot.
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 on the
Documentation CD.
2. Replace the system board.
1. Check that the voltage selector,
located on the rear of the power
supply (some models), is set to the
appropriate voltage. Proper voltage
setting depends on your region.
2. Replace the system board.
3. Replace the processor.
Troubleshooting Guide