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Troubleshooting
This chapter contains information about how to troubleshoot your LCD Monitor. If you
have tried all of the items listed below, please contact a qualified service personnel.
A. My display doesn't work, even though the computer appears to work.
1. Make sure the power cable is securely plugged into the display.
2. Make sure the display is turned on.
3. Try turning the display off and then turning it on again.
4. Make sure the display's power cord is plugged into a power outlet and into the AC
power adapter. Check to see whether the outlet works by plugging another device
(such as a lamp) into the outlet. (If the light on the front of the display is lighted, it is
getting power. Try the next item on this procedure.)
5. Check the cable connection between the display and the computer. The cable
connectors must be pushed in all the way.
B. The message "Check Cable" appears on my display.
This message appears when the video cable is not properly connected to the computer.
1. Make sure the analog video cable is plugged into the Analog Video Input port on the
back of the display.
2. Make sure the other end of analog video cable is plugged into the PC's video port.
C. The message "No Sync." appears on my display.
This message appears when there is no video signal from the computer with cable
already connected.
1. Make sure that the computer's power is turn on.
2. Make sure that your graphic card has its output already.
D. The message "Signal Out of Range" appears on my display.
This message appears when the input signal is beyond the display's capability.
Set your PC to a supported video mode, preferably 1280 x 1024 at 60 Hz. See "Setting
the Video Mode" on page 19.
E. The image is very unstable.
1. Set your PC to a supported video mode, preferably 1280 x 1024 at 60 Hz. See
"Setting the Video Mode" on page 19.
2. Restore the original factory settings by choosing Factory Recall in the OSD
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