Troubleshooting Without Diagnostics

Solving Display Problems (Continued)

Problem

Cause

Solution

 

 

 

Blank screen (no video).

Monitor cable is

If the computer system has both

(continued)

plugged into the wrong

an integrated graphics connector

 

connector.

and an add-in graphics card

 

 

connector, plug the monitor cable

 

 

into the graphics card connector on

 

 

the back of the computer.

 

 

 

 

 

Monitor settings in the

1.

Restart the computer and press

 

computer are not

 

F8 during startup when you see

 

compatible with the

 

“Press F8” in the bottom right

 

monitor.

 

corner of the screen.

 

 

2.

Using the keyboard arrow keys,

 

 

 

select Enable VGA Mode

 

 

 

and press Enter.

 

 

3.

In Windows Control Panel,

 

 

 

double-click the Display icon

 

 

 

and select the Settings tab.

 

 

4.

Use the sliding control to reset

 

 

 

the resolution.

 

 

 

 

Blank screen and the

Pre-video memory error.

1.

Reseat DIMMs. Power on the

power LED flashes Red five

 

 

system.

times, once every second,

 

2.

Replace DIMMs one at a time to

followed by a two-second

 

 

 

isolate the faulty module.

pause, and the computer

 

 

 

3.

Replace third-party memory

beeps five times. The beeps

 

 

 

with HP memory.

will repeat five times, but

 

 

 

4.

Replace the system board.

the Power LED will continue

 

flashing until the problem is

 

 

 

resolved.

 

 

 

 

 

 

 

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Troubleshooting Guide