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Appendix A Trouble shooting
Before calling for service, please check the information in this section to see if you can
remedy any problems by yourself. If you need assistance, please call the dealer where you
purchased the LCD monitor.
1) There is no SCREEN image
Please check these items:
(1) The power cord is securely connected to the monitor, the adaptor, and the wall
outlet.
(2) Check the signal cable connection between the monitor and the computer.
(3) Adjust the brightness and contrast controls.
(4) Monitor in power saving mode.
2) Display image is too large or small
(1) Use the OSD controls to adjust Auto Setup.
3) The colors are discord
(1) Signal cable properly connected?
(2) Use OSD controls to adjust the color control setting.
4) The image is too light or too dark
(1) Use OSD controls to adjust the brightness and contrast.
5) There is no sound or sound is low
(1) Check the audio cable connector.
(2) Make sure the computer sound program is working.
(3) Change the volume setting. Adjust your sound card or computer volume setting.
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