Monitor Troubleshooting

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Troubleshooting Common Problems

Problem or Issue Possible Solutions
No Power
  • Make sure you have turned on the monitor by pressing the Power button.
  • Make sure the power cord is properly and securely connected to the monitor and power outlet.
  • Plug another electrical device into the power outlet to verify that the outlet is supplying power.
Power is "On", but no image appears on screen
  • Make sure the video cable connecting the monitor to the computer is properly and securely connected.
  • Adjust the brightness and contrast settings.
  • Make sure the correct input source is selected.
Wrong or abnormal colors
  • 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.
  • If you have an older graphics card, contact ViewSonic® for a non-DDC adapter.
Screen image is too light or dark
  • Adjust brightness and contrast settings via the OSD Menu.
  • Reset the monitor to factory settings.
Screen image cuts in and out
  • Make sure the correct input source is selected.
  • Check for bent or broken pins in the video cable connector.
  • Make sure the video cable connecting the monitor to the computer is properly and securely connected.
Screen image is blurred
  • Adjust the resolution to the correct Aspect Ratio.
  • Reset the monitor to factory settings.
The screen isn't centered correctly
  • Adjust the horizontal and vertical controls via the OSD Menu.
  • Check the Aspect Ratio.
  • Reset the monitor to factory settings.
The screen appears yellow
  • Make sure the "Blue Light Filter" is Off.
The OSD Menu does not appear on the screen/the OSD controls are inaccessible
  • Check whether the OSD Menu is locked.
  • Turn off the monitor, unplug the power cord, plug it back in, and then turn on the monitor.
  • Reset the monitor to factory settings.
The control panel keys do not work
  • Press only one key at a time.
  • Restart the computer.
Some menus are not selectable in the OSD
  • Adjust the ViewMode or the input source.
  • Reset the monitor to factory settings.
No audio output
  • If using ear-/headphones, ensure the mini stereo jack is connected.
  • Make sure the volume is not muted, nor set to 0.
  • Check the Audio Input setting.
The monitor will not adjust
  • Make sure there are no obstructions near or on the monitor, and that there is adequate spacing.
USB devices connected to the monitor do not work
  • Make sure the USB cable is connected properly.
  • Try changing to another USB port (if applicable).
  • Some USB devices require a higher electric current; connect the device directly to the computer.
The external device is connected, but no image appears on the screen
  • Make sure the Power is On.
  • Adjust brightness and contrast via the OSD Menu.
  • Check the connecting cable and make sure it is properly and securely connected. Loose or broken pins in the cable connector could cause an improper connection.