Activity Possible cause Recommended action
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 system is off. To prevent damage, disconnect the
workstation power cord before you remove a component.
1. Clear CMOS.
NOTE: Refer to the Maintenance and Service
Guide for the workstation model for detailed
information on clearing CMOS.
2. Upgrade the ROM using SoftPaq, either from your
hard 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
your 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 boot.
●
The problem might be on the system board. Contact
HP for assistance.
●
The problem might be in the CPU. Contact HP for
assistance.
Table 11-8 Diagnostic lights and audible codes (continued)
ENWW Diagnostic codes and errors 87
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