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TROUBLESHOOTING
General
Problem
Cannot control the TV with the
remote control.
No image display and no sound is
produced.
The TV turns off suddenly.
When connecting to the PC,
'No Signal' or 'Invalid Format' is
displayed.
Pentouch_When the dongle is connected to PC
Problem
The touch pen does not work.
The touch pen does not work from
time to time.
The TV screen doesn't look normal
when using Pentouch.
The touch pen is touched on wrong
positions.
The touch pen movement is not
smooth.
Pentouch_When the dongle is connected to TV
Problem
The touch pen does not work.
The touch pen works by fits and
starts.
Check the remote control sensor on the product and try again.
y
y
Check if there is any obstacle between the product and the remote control.
y
y
Check if the batteries are still working and properly installed (
y
y
Check if the product is turned on.
y
y
Check if the power cord is connected to a wall outlet.
y
y
Check if there is a problem in the wall outlet by connecting other products.
y
y
Check the power control settings. The power supply may be interrupted.
y
y
Check if the Auto sleep feature is activated in the Time settings.
y
y
If there is no signal while the TV is on, the TV will turn off automatically after
y
y
15 minutes of inactivity.
Turn the TV off/on.
y
y
Reconnect the RGB/HDMI cable.
y
y
Restart the PC with the TV on.
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
y
y
LED is on.
Press the
(POWER) button on the touch pen to check that it is powered on.
y
y
Set the computer screen to display only on the TV.
y
y
Connect the touch pen dongle to another USB port on your computer and try
y
y
using the Touch Pen again.
Check that the computer is correctly connected to the TV.
y
y
Check that you are using the optimal resolution.
y
y
(FHD: 1920 x 1080, HD: 1024 x 768)
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
y
y
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]
select [Auto Config.] to adjust the screen.
Check whether the computer and the TV are too far from each other. Check
y
y
whether there are too many obstructions between the computer and the TV.
Check whether many other applications are running on the computer. (Please
y
y
avoid running other applications while using the Pentouch program.)
Press the
(POWER) button on the touch pen to check that it is powered on.
y
y
Check if the Touch Pen is charged. (The red LED blinks every second when
y
y
the touch pen is discharged.)
Reset the Touch Pen and try pairing again.
y
y
TROUBLESHOOTING
Solution
Solution
→
→
[Picture]
[Screen] (RGB-PC), then
Solution
47
to
,
to
).
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