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19
ENGLISH
TROUBLESHOOTING
Check the following before calling for service.
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Is the power cord of the display connected? • Check and see if the power cord is connected properly to the power outlet.
Is the power indicator light on? • Press the Power button.
Do you see an "Out of Range" message on the screen? • 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.
Do you see a "NO SIGNAL" message on the screen? • After the monitor is on "NO SIGNAL", the monitor goes to DPM mode.
• This is displayed when the signal cable between the PC and the monitor is missing or disconnected. Check the cable and reconnect it.
• If monitor is DPM with power LED off condition,user should be press twice DC button for wake up monitor screen.
Can 't you control some functions in OSD?
Can't you select some menu in OSD? • You can unlock the OSD controls at any time by entering the OSD lock menu and changing items to off.
CAUTION
• Check Control Panel ► Display ► Settings and see if the frequency or the resolution were changed. If yes, readjust the video card to the recommend resolution.
• If the recommended resolution (optimal resolution) is not selected, letters may be blurred and the screen may be dimmed, truncated or biased. Make sure to select the recommend resolution.
• The setting method can differ by computer and O/S (Operation System), and resolution mentioned above may not be supported by the video card performance. In this case, please ask to the computer or the video card
manufacturer.
Display image is incorrect
The screen color is mono or abnormal. • Check if the signal cable is properly connected and use a screwdriver to fasten if necessary.
• Make sure the video card is properly inserted in the slot.
• Set the color setting higher than 24 bits (true color) at Control Panel ► Settings.
The screen blinks. • Check if the screen is set to interlace mode and if yes, change it to the recommend resolution.
Do you see an "Unrecognized monitor, Plug&Play (VESA DDC) monitor found" message?
Have you installed the display driver? • Be sure to install the display driver from our web site:
http://www.lg.com
.
• Make sure to check if the video card supports Plug&Play function.
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