HP Z200 HP Z200 SFF Workstation Maintenance and Service Guide - Page 166

LED color definitions - power supply upgrade

Page 166 highlights

Table 6-7 Diagnostic lights and audible codes (continued) Activity Possible cause Recommended action Red Power LED blinks seven times, once every second, followed by a twosecond pause. Seven beeps. System board failure (ROM 1. Clear CMOS. detected failure prior to video). 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 1. not start. 2. The problem might be on the system board. Contact HP for assistance. The problem might be in the CPU. Contact HP for assistance. System does not power-on and LEDs are not blinking. No beeps. System unable to power on. 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. * The BIOS option you select controls the blue LED function during these suspend modes. LED color definitions The following table describes what each LED light on the computer front panel signifies. 154 Chapter 6 Diagnostics and troubleshooting ENWW

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Activity
Possible cause
Recommended action
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
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
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.
System does not power-on
and LEDs are not blinking.
No beeps.
System unable to power on.
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.
*
The BIOS option you select controls the blue LED function during these suspend modes.
LED color definitions
The following table describes what each LED light on the computer front panel signifies.
Table 6-7
Diagnostic lights and audible codes (continued)
154
Chapter 6
Diagnostics and troubleshooting
ENWW