LG 19MB15T Посібник користувача - Сторінка 20

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Troubleshooting

Check the following before calling for service.

No image appears

Is the power cord of the

display connected?

Is the power indicator

light on?

Is the power on and the

power indicator blue or

green?

Is the power indicator

flickering?

Do you see an "OUT OF

RANGE" message on

the screen?

Do you see a "CHECK

SIGNAL CABLE"

message on the

screen?

Do you see a "OSD LOCKED" message on the screen?

Do you see "OSD

LOCKED" when you

push MENU button?

• Check and see if the power cord is connected

properly to the power outlet.

• Press the Power button.

• Adjust the brightness and the contrast.

• If the display is in power saving mode, try moving

the mouse or pressing any key on the keyboard to

bring up the screen.

• Try to turn on the PC.

• This message appears when the signal from the

PC (video card) is out of horizontal or vertical

frequency range of the display. See the

'Specifications' section of this manual and

configure your display again.

• This message appears when the signal cable

between your PC and your display is not

connected. Check the signal cable and try again.

• You can secure the current control settings,

so that they cannot be inadvertently changed.

You can unlock the OSD controls at any time

by pushing the MENU button for several

seconds: the message

"OSD UNLOCKED" will appear.

A19