LG - 86TR3DK-B User Manual page 151

Issues Related to Touch
• Touch does not respond.
- This may occur if the touch USB cable between the PC and product is not connected properly. Remove and
reconnect the cable after 10 seconds.
- Ensure that the power cord of the PC is firmly plugged into a power socket, and restart the PC.
- Touch may not respond if the system is down due to an unstable network. Reconnect the LAN cable or restart your
PC.
- If your PC and product are not connected with a signal cable, touch does not respond. Check the signal cable
connection.
- Touch may not respond if the product is powered off. Check the product power. Check the power supply.
- Failure to use a grounded socket may result in interruption or a touch error. Always connect the power cord to a
grounded socket.
- Check if the screen is currently on.
- An interruption or touch error may occur in the following cases:
If you tap the screen with your nail or fingertip
If you hold the touch pen on or near the tip
If you press the touch pen with strong force on the screen
• The location of a touch does not correspond to the touch coordinates.
- This may occur when the touch screen is not calibrated properly. Change your PC settings.
• Touch is applied to another monitor.
- This may occur if the product is not set as the default monitor when multiple monitors are being used. Set the
product as the default monitor.
- This may occur when the touch screen is not calibrated properly. Change your PC settings.
• Multi-touch does not respond.
- The content played (e.g. Paint) may not support Multi-touch. Use content that supports Multi-touch.
- Remove the USB cable and reconnect it after 10 seconds.
- Restart the content (e.g. Paint).
- Restart your PC.
- Multi-touch may not work stably on the edge of the touch screen.
- If the interval between two touches is too short, a touch error may occur.
CAUTION
• Touch compatibility by OS
- IOS: MacOS v11.5.1 or later
- Windows: Windows 10 Pro 1803 or later
- Chrome: Chrome OS 92.0.4515.162 or later
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