Samsung SyncMaster 400UXN-3 User Manual

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• Do not use benzene, thinner or other flammable sub-stances.2) Maintaining the Flat Panel Display Screen.Clean with a soft cloth (cotton flannel).• Never use acetone, benzene or thinner.(They may cause flaws or deformation of the screensurface.)• The user is responsible for any damage caused byusing these substances.Symptoms and Recommended ActionsNoteA LCD Display recreates visual signals received from the computer. Therefore, if there is aproblem with the computer or the video card, this can cause the LCD Display to becomeblank, have poor coloring, become noisy, etc. In this case, first check the source of the prob-lem, and then contact a Service Center or your dealer.1. Check if the power cord and the video cables are properly connected to the computer.2. Check if the computer beeps more than 3 times when booting.(If it does, request service.)3. If you installed a new video card or if you assembled the PC, check if you installed theAdaptor(video).4. Check if the scanning ratio of the video screen is set to between 56 Hz ~ 85 Hz.(Do not exceed 60Hz when using the maximum resolution.)5. If you have problems in installing the Adaptor (video) driver, boot the computer in SafeMode, remove the Display Adaptor in the "Control Panel -> System -> Device Adminis-trator" and then reboot the computer to reinstall the Adaptor (video) driver.Check ListNoteThe following table lists possible problems and their solutions. Before calling for assistance,check the information in this section to see if you can remedy any problems for yourself. Ifyou do need assistance, please call the phone number on the Information section or contactyour dealer.Problems related to the Installation (PC Mode)NoteProblems related to the LCD Display installation and their solutions are listed.Q: The LCD Display screen flickers.TroubleshootingDownloaded From TV-Manual.com Manuals