Troubleshooting - LG 23MT75D Owner's Manual

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TrOUBLESHOOTING

TROUBLESHOOTING
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 (HDMI/DVI/
rGB), 'No signal' or
'Invalid Format' is
displayed.
Check the remote control sensor on the product and try again.
y
Check if there is any obstacle between the product and the remote control.
y
Check if the batteries are still working and properly installed (
y
Check if the product is turned on.
y
Check if the power cord is connected to a wall outlet.
y
Check if there is a problem in the wall outlet by connecting other products.
y
Check the power control settings. The power supply may be interrupted.
y
Check if the Automatic Standby (Depending on model) / Sleep Timer / Off
y
Time feature is activated in the TIME settings.
If there is no signal while the TV is on, the TV will turn off automatically after 15
y
minutes of inactivity.
Turn the TV off/on using the remote control.
y
reconnect the HDMI/rGB cable.
y
restart the PC with the TV on.
y
Resolution
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