ViewSonic VG2756a-2K User Guide English - Page 56
Troubleshooting, Problem or Issue, Possible Solu°ons
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Troubleshooting This section describes some common problems that you may experience when using the monitor. Problem or Issue Possible Solutions No power Power is On, but no image appears on the screen • Make sure you have turned on the monitor. Otherwise, touch the Power button to turn on the monitor. • Make sure the power cord is properly and securely connected to the monitor. • Plug another electrical device into the power outlet to verify that the outlet is supplying power. • Make sure the video cable connecting the monitor to the computer is properly and securely connected. • Check for broken pins in the video cable connector. • Adjust the brightness and contrast settings. • Make sure the correct input source is selected. Wrong or abnormal colors Screen image is too light or dark • If any colors (red, green, or blue) are missing, check the video cable to make sure it is properly and securely connected. Loose or broken pins in the cable connector could cause an improper connection. • Connect the monitor to another computer. • Adjust the brightness and contrast settings. • Reset the monitor to factory settings. Screen image cuts in and out The screen image or text is blurred • Make sure the video cable connecting the monitor to the computer is properly and securely connected. • Make sure the correct input source is selected. • Check for broken pins in the video cable connector. • Adjust the resolution to the correct Aspect Ratio. • Reset the monitor to factory settings. The screen is not centered correctly The screen appears yellow • Adjust the resolution to the correct Aspect Ratio. • Adjust the horizontal and vertical controls via the OSD Menu. • Reset the monitor to factory settings. • Make sure the "Blue Light Filter" is Off. 56
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