BenQ RM8602K Installation Handbook - Page 69
Touch function (selected models only), Poor USB connection.
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Touch function (selected models only) The touch function does not work. Possible causes Possible solutions The touch function is not supported by your OS. The touch driver is not installed. No stable or enough power supplied for your computer. The touch sensor is covered by dust. Check the user manual for the supported operating systems. Visit the BenQ local website for the appropriate driver files. The touch module needs to get enough power supply from your computer to work well. • Try with another computer. • Disconnect all the other USB peripherals. • Add a power hub that helps supply more power to your computer. Clean the touch sensor properly. 1. Be sure to turn off the display and unplug the power cord before you clean the screen. 2. Remove dust or dirt from the screen and the infrared plastic filter periodically. It is suggested using a small amount of alcohol to clean the infrared plastic filter. 3. Moisten a clean, soft, lint-free cloth with a neutral detergent and then clean the touch screen. Poor USB connection. Use a neutral detergent to clean the touch screen. Avoid using detergents with erosive substance, such as banana oil or ammonia. To avoid damage to the screen, never use any type of abrasive materials to wipe the screen. • Check if the USB cable has been connected properly, or try with another USB cable. • Connect the computer with your display only; remove other USB peripherals. • Connect a computer with the display through USB cable directly without any extension (e.g. faceplate or USB extension cable) to ensure the touch function works. The drawing is not displayed correctly (e.g., double lines, spiking, etc.). Possible causes An inappropriate stylus (particularly too thin) is used. Possible solutions Try with a thicker stylus. Refer to the following stylus specifications. Troubleshooting 69