The mouse doesn’t work.

Probable Cause

Solution

 

 

The mouse is not

Check the cable. Make certain it is plugged in

plugged in or connected

correctly.

properly.

 

 

 

The mouse driver did

Load the appropriate mouse driver manually or

not load when the

contact Technical Support.

system booted.

 

 

 

The mouse is defective.

Try a mouse you know is working.

 

 

Video problems

The system is running but there is no display.

Probable Cause

Solution

 

 

The monitor is not

Make certain the monitor is plugged in and

turned on.

turned on. If power is applied to the monitor, the

 

green power LED should light.

 

 

The monitor data cable

Make certain the monitor data cable is

is not connected.

connected to the video controller on the back of

 

the system.

 

 

The connector or cable

Check the connector and cable for bent or

is damaged.

damaged pins.

 

 

The monitor is defective.

Connect a working monitor to the computer.

 

 

The monitor brightness

Adjust the brightness and contrast knobs to the

and contrast controls

center position.

are turned down.

 

 

 

The video card is not

Open the system and reseat the video card. This

seated correctly.

possibility is only valid for systems that include

 

an add-in video controller.

 

 

The video card is not

PCI video cards must be compatible with the

compatible with the

system. This possibility is only valid for systems

system.

that include an add-in video controller.

 

 

Troubleshooting 95