Troubleshooting

 

 

Possible

Recommended

Activity

Beeps

Cause

Action

 

 

 

 

 

Red Power LED

None

Power failure

1.

Check that the voltage

blinks once every

 

(power supply

 

selector, located on the

two seconds.

 

is

 

rear of the power

 

 

overloaded).

 

supply, is set to the

 

 

 

 

appropriate voltage.

 

 

 

 

Proper voltage setting

 

 

 

 

depends on your

 

 

 

 

region.

 

 

 

2.

Open the hood and

 

 

 

 

ensure the 4-wire

 

 

 

 

power supply cable is

 

 

 

 

seated into the

 

 

 

 

connector on the

 

 

 

 

system board.

 

 

 

3. Check if a device is

 

 

 

 

causing the problem by

 

 

 

 

removing ALL attached

 

 

 

 

devices (such as hard,

 

 

 

 

diskette, or optical

 

 

 

 

drives, and expansion

 

 

 

 

cards.) 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 that is causing

 

 

 

 

the failure. Continue

 

 

 

 

adding devices one at

 

 

 

 

a time to ensure all

 

 

 

 

devices are functioning

 

 

 

 

properly.

 

 

 

4.

Replace the power

 

 

 

 

supply.

5. Replace the system board.

4–14

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Getting Started Guide

Page 48
Image 48
HP xw4100 manual Possible Recommended Activity Beeps Cause Action