Getting Started

Diagnostic Front Panel Lights (LEDs) and Audible Codes Continued

Activity

Beeps

Possible Cause

Recommended Action

 

 

 

 

 

Red Power LED

None

Power failure (power

1.

Check that the voltage selector,

flashes once every

 

supply is overloaded).

located on the rear of the power

two seconds.

 

 

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.

 

 

 

 

 

Red Power LED

5

Pre-video memory

1.

Reseat DIMMs. Power on the

flashes five times,

 

error

system.

once every

 

 

2.

Replace DIMMs one at a time to

second, followed

 

 

isolate faulty module.

by a two second

 

 

3.

Replace third-party memory with

pause.

 

 

 

 

HP memory.

 

 

 

 

 

 

4.

Replace the system board.

 

 

 

 

 

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