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Chapter 6. Troubleshooting
The IR sensor is not functioning. Make sure the sensor light turns on when a button is pressed on the remote control.
If the sensor light does not turn on, turn the power switch off and then on again on the back of the product.
(The power LED lights up red when the screen is switched off.)
If the sensor light still does not turn on after the power switch is turned off and then on again, an internal jack may
be disconnected.
Contact your nearest service centre to have the product serviced.
If the sensor light that is on does not ash red when a button is pressed on the remote control, the IR sensor may be
defective.
Contact your nearest service centre to have the product serviced.
This function is available only when a source device, such as a DVD player and STB, is connected to the product via
an HDMI (RGB signal) cable.
The proximity sensor is not functioning. Make sure you are in the proper detection range.
Make sure the proximity sensor is on.
Change the detection range.
Move any obstacles in front of the sensor.
Disconnect and then reconnect the proximity sensor.
Wipe the sensor with a soft, clean cloth.
Make sure you have removed the sensor protection vinyl.
The proximity sensor only detects at a short range. Change the detection range.
Make sure you have removed the sensor protection vinyl.
Wipe the sensor with a soft, clean cloth.
In power saving mode, when the input source is
DisplayPort, PC display settings cannot be saved.
Go to System → General and set Max. Power Saving to Off. Alternatively, congure the PC display output settings
again. Ensure the set is turned on.
When booting the PC with the input source set to
DisplayPort, the BIOS and booting screens do not appear.
Boot the PC when the set is turned on or when the input source is not DisplayPort.
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