LG 55UH5B-B User Manual download pdf (Page 23)

ENGLISH

Screen color is abnormal.

Problem Action

Screen has poor color resolution (16

colors).

y Set the number of colors to more than 24 bits (true color). Select

Control Panel - Display - Settings - Color Table menu in Windows.

Screen color is unstable or

mono-colored.

y Check the connection status of the signal cable. Or, re-insert the

PC video card.

Do black spots appear on the screen? y Several pixels (red, green, white, or black color) may appear

on the screen, which can be attributable to the unique

characteristics of the LCD panel. This is not a malfunction of the

LCD.

The operation does not work normally.

Problem Action

The power suddenly turned off. y Is the Timer set?

y Check the power control settings. Power interrupted.

The audio function does not work.

Problem Action

No sound? y See if the audio cable is connected properly.

y Adjust the volume.

y See if the sound is set properly.

Sound is too dull. y Select the appropriate equalizer sound.

Sound is too low. y Adjust the volume.

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LG 55UH5B-B User Manual Page 23