4. The touch screen does not respond locally Troubleshooting
A touch screen, after touching the monitor screen with a finger, there is no response in some places.
Failure analysis and treatment
It is possible that part of the touch screen is scraped off by a hard object and cannot be repaired.
5. The touch screen is normal but the computer can't operate Troubleshooting
A touch screen, everything is normal after testing itself, but after connecting to the host, the computer cannot be operated.
Failure analysis and treatment
It is possible that before the host starts loading the touch screen driver, the touch screen control card receives the operation signal, and only needs to restart the computer after the power is turned off.
6. The touch screen does not respond for the first time after installing the driver Troubleshooting
For a touch screen, the touch screen becomes unresponsive the first time after installing the driver.
Failure analysis and treatment
First confirm whether the touch screen wiring is connected correctly, if not, connect all the wiring correctly after shutting down. Then check whether there are devices conflicting with the serial port resources in the host, check the hardware devices and adjust them.
7. There is no response to touch after using for a period of time.
Trouble phenomenon
A touch screen has no response after a period of normal use after it is turned on.
Failure analysis and treatment
Check whether the hard disk shutdown is set in the "Monitor Energy Saving Settings" of Wlndows 2000. The method is to click the right mouse button on the desktop, select the "Properties" command, and then select the "Screen Saver" tab from the dialog box, click the "Settings" button, and set the parameters except for "Power Plan" to "Always On" In addition, the rest are "never".
8. The click accuracy of the touch screen is decreased Troubleshooting
For a touch screen, its click accuracy is reduced, and the cursor is difficult to locate.
Failure analysis and treatment
1) Run the touch screen calibration program.
2) If it is a newly purchased touch screen, please try to delete the driver, and then power off the host for 5 seconds to reinstall the driver.
9. The touch screen cannot be calibrated Fault analysis and treatment
1) It is possible that the touch screen control card receives the operation signal before the host starts to load the touch screen driver. Please power off and restart the computer and recalibrate.
2) It may be that the touch screen driver is installed abnormally. Please delete the driver and install it again. (Delete from Add/Remove Programs in the Control Panel.)
10. The mouse keeps staying on a certain point of the touch screen
Failure analysis and treatment
This happens because the touch area of the resistive screen (the surface of the resistive screen is divided into two parts: the touch area and the non-touch area. Clicking on the non-touch area does not respond) is pressed by the display shell or the cabinet shell, which is equivalent to a certain The point is being touched all the time. If the cabinet shell is pressing the touch area, you can increase the distance between the cabinet and the monitor screen. If the display shell is pressing the touch area, you can try to loosen the screws of the monitor shell a little.
