Chapter 4 Maintenance and Troubleshooting | 31 |
Troubleshooting the Touch Screen
If you are experiencing problems with the touch screen, check the following list of common installation errors.
Table 2. Common Touch Screen Installation Issues
Common Installation Issues | Possible Solutions |
Touch screen does not respond | • Review the installation procedures. Are all cables connected properly? |
to touch | • 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 accurate | • Calibrate the touch screen for the current video resolution and operating |
| system. |
Cursor does not follow finger | • Calibrate the touch screen for the current video resolution and operating |
movement or does not reach the | system. |
edges of the screen |
|
Cursor is not located directly | • Open the touch screen control panel and make sure all cursor offsets |
underneath your finger | (vertical, edge/horizontal) are turned off. |
| • Calibrate the touch screen for the current video resolution and operating |
| system. |
Cursor is extremely jittery or erratic | • Stabilize the cursor by adjusting the operating frequency of the touch |
| screen controller using the touch screen control panel. |
Cursor lags finger | • Lower the baud rate of the touch screen controller and the touch screen |
| driver. |
Power Management
The M150 monitor conforms to the Video Electronics Standards Association (VESA) Display Power Management Signaling (DPMS) standard. To benefit from power management, the monitor must be used in conjunction with a computer and video card that implements the VESA DPMS standard.
The PC automatically invokes the power management feature if you do not use the touch screen, mouse, or keyboard for a
M150 Regulatory Agency Approvals
Your product complies with the following regulatory standards:
•
•CE
•UL/cUL
•VCCI
•CCC
•