HP xw9400 User Manual

Problem Cause Solution
4. Replace the processor fan.
5. Reseat the CPU heatsink, and verify that the fan
assembly is properly attached.
Power LED flashes red, once every
two seconds.
Power failure (power supply is
overloaded).
CAUTION Disconnect AC power from the
workstation before reseating or replacing
components because there is power to the system
board even when the workstation is powered
down.
1. Determine whether a device is causing the problem
by removing all attached devices. Power on the
system. If the system enters the POST, then power
off and replace one device at a time and repeat this
procedure until failure occurs. Replace the device
causing the failure. Continue adding devices one at a
time to ensure all devices are functioning properly.
2. Verify power supply functionality.
a. Disconnect AC power.
b. Remove all internal power supply cables from
the system board.
c. Plug in AC power.
●
If the power supply fan spins and the BIST
LED lights, then the power supply is good.
Replace the system board.
●
If the power supply fan does not spin or the
BIST LED does not light, replace the power
supply.
Solving diskette problems
Table 5-5 Diskette problems
Problem Cause Solution
Diskette drive light stays on. Diskette is damaged. 1. Check power and data cables.
2. Click on My Computer.
3. Right-click on the desired hard drive and select
Properties.
4. Click the Tools tab.
5. Click Check Now... to run error checking.
Diskette is incorrectly inserted. Remove diskette and reinsert.
Files on diskette are damaged. Check the program diskettes.
Drive cable is not properly
connected.
Reconnect power cable. Be sure that all four pins are
connected.
Table 5-4 Power supply problems (continued)
ENWW Troubleshooting scenarios and solutions 113

HP xw9400 Specifications

General

Brand	HP
Model	xw9400
Category	Desktop
Language	English