HP Xw4300 HP xw Workstation series Setup and Troubleshooting Guide - Page 47

Hardware installation problems, optical drive. If you install a plug and play device - power supply

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Table 5-1 General installation problems (continued) Problem Cause Solution System does not power on and the LEDs on the front of the workstation are not blinking. System unable to power on with power applied. 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. To resolve this problem, choose one of the following: A. Press and hold the power button for less than 4 seconds. If the hard 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. B. Press and hold the power button for less than 4 seconds. If the hard drive LED does not illuminate green: 1. Verify that unit is plugged into a working AC power outlet. 2. Open the access panel and verify the power button harness is properly connected to the system board. 3. Verify that all power supply cables are properly connected to the system board. 4. Check the power supply functionality. a. Disconnect the AC power. b. Disconnect ALL internal power supply cables from the system board. c. Plug in the AC power. If the power supply fan spins and the BIST* LED lights, the power supply is functional. The problem might be on the system board. Contact HP for assistance. If the power supply fan does not spin or the BIST* LED does not light, the problem might be in the power supply. Contact HP for assistance. * For BIST information, see the Service and Technical Reference Guide for your workstation. Hardware installation problems You might need to reconfigure the workstation when you add or remove hardware, such as an additional optical drive. If you install a plug and play device, some operating systems automatically recognize the device and configure the workstation. If you install a non-plug and play device, you must reconfigure the workstation after installing the new hardware. ENWW Basic troubleshooting 41

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Problem
Cause
Solution
System does not power on
and the LEDs on the front of
the workstation are not
blinking.
System unable to power on
with power applied.
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.
To resolve this problem, choose one of the following:
A
. Press and hold the power button for less than 4 seconds. If the hard
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.
B
. Press and hold the power button for less than 4 seconds. If the hard
drive LED does not illuminate green:
1.
Verify that unit is plugged into a working AC power outlet.
2.
Open the access panel and verify the power button harness is
properly connected to the system board.
3.
Verify that all power supply cables are properly connected to the
system board.
4.
Check the power supply functionality.
a
. Disconnect the AC power.
b
. Disconnect ALL internal power supply cables from the system board.
c
. Plug in the AC power.
If the power supply fan spins and the BIST* LED lights, the power supply
is functional. The problem might be on the system board. Contact HP for
assistance.
If the power supply fan does not spin or the BIST* LED does not light, the
problem might be in the power supply. Contact HP for assistance.
* For BIST information, see the
Service and Technical Reference Guide
for your workstation.
Hardware installation problems
You might need to reconfigure the workstation when you add or remove hardware, such as an additional
optical drive. If you install a plug and play device, some operating systems automatically recognize the
device and configure the workstation. If you install a non–plug and play device, you must reconfigure
the workstation after installing the new hardware.
Table 5-1
General installation problems (continued)
ENWW
Basic troubleshooting
41