Samsung LH75DMDPLGC/EN manual IR sensor is not functioning, PC display settings cannot be saved

Other issue

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 center to have the product serviced.

•• If the sensor light that is on does not flash red when a button is pressed on the remote control, the IR sensor may be defective.

Contact your nearest service center 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.

In power-saving mode, when the input source is DisplayPort,	••	Go to System → General and set Max. Power Saving to Off. Alternatively, configure the PC
PC display settings cannot be saved.		display output settings again. Ensure the set is turned on.
When booting the PC with the input source set to	••	Boot the PC when the set is turned on or when the input source is not DisplayPort.
DisplayPort, the BIOS and booting screens do not appear.