Chapter 3

Maintenance and Troubleshooting

29

 

 

 

Problem

Possible Causes and Solutions

 

Is the monitor in Power Management mode?

Touch the screen, press any key on the keyboard, or move the mouse to restore operation.

Are the brightness and contrast settings too low?

Use the monitor controls to adjust these values.

Troubleshooting the Touch Screen

If you are experiencing problems with the touch screen, check the following list of common installation errors.

Table 3. Common Touch Screen Installation Issues

Common

Possible Solutions

Installation Issues

 

 

Touch screen does not

• Review the installation procedures. Are all

respond to touch

cables connected properly?

 

• After you installed TouchWare, did you restart

 

your PC to activate the touch screen driver?

 

• Are the communication settings correct? Is the

 

touch screen trying to use the COM port or IRQ

 

of another device (for example, a mouse)? If

 

so, a hardware device conflict will result and

 

the touch screen will not work.

Touch screen is not

Calibrate the touch screen for the current video

accurate

resolution and operating system.

Cursor does not follow

Calibrate the touch screen for the current video

finger movement or

resolution and operating system.

does not reach the

 

 

edges of the screen

 

 

Cursor is not located

• Open the touch screen control panel and make

directly underneath

sure all cursor offsets (vertical, edge/horizontal)

your finger

are turned off.

 

• Calibrate the touch screen for the current video

 

resolution and operating system.