User`s manual

43
C
HAPTER5
Troubleshooting
Please note that the following troubleshooting guide is designed for people with strong computer
hardware knowledge such as System Administrators and Engineers.
Touch Panel does not Work
A) Check if the touch driver has been properly installed. Or try to reinstall again (Please refer
to the touch driver installation).
B) Move back cover, check all relative cables for touch controller.
C) If touch controller does not appear green light, it could be defective.
Touch Panel Cannot Calibrate Correctly
A) Please try to re-install touch driver and re-calibrate again. If not, the touch controller and
touch panel could be defective.
LCD Panel is Not Functioning Properly
A) Check that the LCD driver is installed properly (Please refer to the LCD driver installation
section).
B) Connect a LCD or CRT monitor to the VGA connector, if there is a display, then the LCD
panel could be defective or is not installed properly.
C) Move back cover, check all the LCD relative cables. (For example: check LVDS, inverter
whether they are properly.)
MCR is not functioning properly
A) Check if the MCR is properly connected to the MCR connector board on main system.
B) Make sure the MCR 12PIN cable is properly connected to the right side wafer (which is
USB hub board) of LCD.
C) The USB hub board could be defective.
D) The MCR module could be defective.