Troubleshooting Without Diagnostics

Solving Display Problems

Solving Display Problems

Problem

Cause

Solution

Blank screen (no video).

Monitor is not turned on and monitor light is not on.

Turn on the monitor and check that the monitor light is on.

 

Bad monitor.

Try a different monitor.

 

 

 

 

The cable connections

Check the cable connections from

 

are not correct.

the monitor to the computer and to

 

 

the electrical outlet.

 

 

 

 

Screen blanking utility

Press any key or click the mouse

 

installed or energy

button and, if set, type your

 

saver features enabled.

password.

 

 

 

 

System ROM is

Reflash the system ROM with the

 

corrupted; system is

latest BIOS image.

 

running in Boot Block

 

 

Emergency Recovery

 

 

Mode (indicated by

 

 

eight red blinks from the

 

 

power LED and eight

 

 

simultaneous beeps).

 

 

 

 

 

Fixed-sync monitor will

Ensure that the monitor can accept

 

not sync at the

the same horizontal scan rate as the

 

resolution chosen.

resolution chosen.

 

 

 

 

Computer is in

Press the power button to resume

 

standby mode.

from standby mode.

 

 

Ä When attempting to resume

 

 

from standby mode, do

 

 

not hold down the power

 

 

button for more than four

 

 

seconds. Otherwise, the

 

 

computer will shut down

 

 

and you will lose any

 

 

unsaved data.

 

 

 

 

Monitor cable plugged

If the computer system has both

 

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.

 

 

 

 

Service Reference Guide, dx7300

433611-001

D–13