LG 42PA450C Benutzerhandbuch

87

TROUBLESHOOTING

Pentouch

The touch pen does not work.

y

y

Check that you used the remote control to enter Pentouch mode.

y

y

Check that the Pentouch dongle is connected to the computer and the red 

LED is on.

y

y

Press the 

 (POWER) button on the touch pen to check that it is powered on.

y

y

Check that the touch pen is paired for use. (The touch pen is correctly paired if 

the red LED is on once when you press the 

Touch Home button on the touch 

pen.)

y

y

Set the computer screen to display only on the TV.

The TV screen doesn’t look normal 

when using Pentouch.

y

y

Check that the computer is correctly connected to the TV.

y

y

Check that you are using the optimal resolution.

y

y

Set the aspect ratio on the TV to Just Scan.

The touch pen is touched on wrong 

positions.

y

y

Set the computer screen to display only on the TV.

y

y

If the point you touch on the TV screen using the touch pen and the point 

indicated as touched on the computer screen do not match when the 

computer and the TV are connected by a PC signal (RGB) cable, use the TV 
remote control to select [SETTINGS] 

→

 [Picture] 

→

 [Screen] (RGB-PC), then 

select [Auto Config.] to adjust the screen.

The touch pen movement is not 

smooth.

y

y

Check whether the computer and the TV are too far from each other. Check 

whether there are too many obstructions between the computer and the TV.

y

y

Check whether many other applications are running on the computer. (Please 

avoid running other applications while using the Pentouch program.)