Table 6-7  Diagnostic lights and audible codes (continued)
Activity Possible cause Recommended action
Red Power LED blinks six
times, once every second,
followed by a two-second
pause. Six beeps.
Pre-video graphics error.
CAUTION: Internal components might be powered even when the
computer is off. To prevent damage, disconnect the computer power
cord before you remove a component.
1.
Reseat the graphics card.
2.
Verify the graphics auxiliary power cable is connected (if
applicable).
3.
The problem might be on the graphics card. Contact HP for
assistance.
Red Power LED blinks seven
times, once every second,
followed by a two- second
pause. Seven beeps.
System board failure (ROM
detected failure prior to
video).
1.
Clear CMOS.
NOTE: Refer to the Maintenance and Service Guide for the
computer model for detailed information on clearing CMOS.
2.
The problem might be on the system board. Contact HP for
assistance.
Red Power LED blinks eight
times, once every second,
followed by a two-second
pause. Eight beeps.
Invalid ROM based on bad
checksum.
CAUTION: Internal components might be powered even when the
computer is off. To prevent damage, disconnect the computer power
cord before you remove a component.
1.
Clear CMOS.
NOTE: Refer to the Maintenance and Service Guide for the
computer model for detailed information on clearing CMOS.
2.
Upgrade the ROM using SoftPaq, either from the hard disk drive,
CD, diskette, or USB removable device (for example, HP Drive
Key). See the ROM Flash section of the Maintenance and Service
Guide at 
http://www.hp.com/support/workstation_manuals.
SoftPaq is a self-extracting executable, which contains instructions
for its use, that enables you to upgrade the ROM. To download the
Softpaq executable, visit 
http://www.hp.com/go/
workstationsupport.
3.
The problem might be on the system board. Contact HP for
assistance.
Red Power LED blinks nine
times, once every second,
followed by a two-second
pause. Nine beeps.
System powers on but does
not start.
1.
The problem might be on the system board. Contact HP for
assistance.
2.
The problem might be in the CPU. Contact HP for assistance.
ENWW
Diagnostic codes and errors
165