LG M4214CCBA User Manual download pdf (Page 49)

Troubleshooting

• See if the power cord is properly connected to

the outlet.

• See if the power switch is turned on.

• May need service.

• Adjust brightness and contrast again.

• Backlight may need repair.

• If the set is in power saving mode, move the

mouse or press any key.

• Turn both devices off and then back on.

• The signal from the PC (video card) is out of

the vertical or horizontal frequency range of the

set. Adjust the frequency range by referring to

the specifications in this manual.

* Maximum Resolution

RGB : 1920 x 1080 @ 60 Hz

HDMI/DVI : 1920 x 1080 @ 60 Hz

• The signal cable between PC and set is not

connected. Check the signal cable.

• Press INPUT on the remote control to check

the input signal.

• The control locking function prevents

unintentional OSD changes due to careless

usage. To unlock the controls, simultaneously

press MENU and ► for several seconds. (You

cannot set this function using the remote

control. You can set this function on the set

only.)

● The 'Key Lock On' message

appears when pressing MENU.

• Install the television driver provided with the

television, or download it from http://www.lg.

com.

• See if the plug & play function is supported

by referring to your video card user manual.

●

Did you install the driver?

● Is the power cord connected?

●

Is the power indicator light on?

●

Power is on, power indicator is Blue

but the screen appears extremely dark.

● Is the power indicator amber?

● Does the 'Out of range' message

appear?

● Does the 'Check signal cable'

message appear?

No Image is Displayed

'Unknown Set' Message Appears When the Television is Connected

'Key Lock On' Message Appears

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LG M4214CCBA User Manual Page 49

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