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HP Z210 Maintenance And Service Manual Page 150

Convertible mini tower workstation.
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Table 6-7
Activity
Red Power LED blinks eight
times, once every second,
followed by a two-second
pause. Eight beeps.
Red Power LED blinks nine
times, once every second,
followed by a two-second
pause. Nine beeps.
System does not power-on
and LEDs are not blinking.
No beeps.
The BIOS option you select controls the blue LED function during these suspend modes.
*
The z210 computer does not have BIST LED functionality.
*
*
138
Chapter 6 Diagnostics and troubleshooting
Diagnostic lights and audible codes (continued)
Possible cause
Invalid ROM based on bad
checksum.
System powers on but does
not start.
System unable to power on.
Recommended action
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
Configuring password security and resetting
CMOS on page 150
section 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
workstationsupport.
3.
The problem might be on the system board. Contact HP for
assistance.
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.
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.
To resolve the problem, choose one of the following options:
Press and hold the power button for less than 4 seconds. If the hard disk
drive LED turns green, then:
1.
Remove the expansion cards one at a time and try holding the
power button again for less than 4 seconds.
2.
The problem might be on the system board. Contact HP for
assistance.
Press and hold the power button for less than 4 seconds. If the hard disk
drive LED does not turn on green then:
1.
Check that unit is plugged into a working AC outlet.
2.
Open the access panel and check that the power button harness is
properly connected to the system board.
3.
Check that all power supply cables are properly connected to the
system board.
http://www.hp.com/go/
ENWW

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