Troubleshooting Without Diagnostics

 

 

 

 

 

 

Solving Display Problems (Continued)

 

 

 

 

 

Problem

Cause

Solution

 

 

 

Blank screen and the

Pre-video graphics

For systems with a graphics card:

power LED flashes Red six

error.

1.

Reseat the graphics card.

times, once every second,

 

 

 

Power on the system.

followed by a two second

 

 

 

2.

Replace the graphics card.

pause, and the computer

 

 

3.

Replace the system board.

beeps six times.

 

For systems with integrated graphics, replace the system board.

Blank screen and the power LED flashes Red seven times, once every second, followed by a two second pause, and the computer beeps seven times.

System board failure

Replace the system board.

(ROM detected failure

 

prior to video).

 

Monitor does not function properly when used with energy saver features.

Monitor without energy

Disable monitor energy saver

saver capabilities is

feature.

being used with energy

 

saver features enabled.

 

Dim characters.

The brightness and

 

contrast controls are not

 

set properly.

Adjust the monitor brightness and contrast controls.

Cables are not properly

Check that the graphics cable is

connected.

securely connected to the graphics

 

card and the monitor.

Blurry video or requested

If the graphics controller

resolution cannot be set.

was upgraded, the

 

correct graphics drivers

 

may not be loaded.

Install the video drivers included in the upgrade kit.

 

Monitor is not capable

Change requested resolution.

 

of displaying requested

 

 

resolution.

 

 

 

 

 

Graphics card is bad.

Replace the graphics card.

 

 

 

Troubleshooting Guide

www.hp.com

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