Led Color Definitions - HP Z200 - Small Form Factor Workstation Maintenance And Service Manual

Table 6-7 Diagnostic lights and audible codes (continued)
Activity
Red Power LED blinks
seven times, once every
second, followed by a two-
second pause. Seven
beeps.
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.

LED color definitions

The following table describes what each LED light on the computer front panel signifies.
154 Chapter 6 Diagnostics and troubleshooting
Possible cause
System board failure (ROM
detected failure prior to
video).
Invalid ROM based on bad
checksum.
System powers on but does
not start.
System unable to power on.
Recommended action
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.
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.
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.
ENWW