LG ON2DN Owner's Manual page 36

36 Troubleshooting
Problem
The remote control does not work
properly.
USB is not recognized.
5
Cause & Solution
y The remote control is too far from the unit.
Operate the remote control within about 7 m (23 feet).
y There is an obstacle in the path of the remote control and the unit.
Remove the obstacle.
y The batteries in the remote control are exhausted.
Replace the batteries with new ones.
y Format the USB device and connect it again. When formatting the
USB device, select the available file system. (Page 9)