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How To Troubleshoot Computer Monitor Display Problems

Troubleshooting Monitor

In Troubleshooting Monitor there are four categories of Monitor Problems they are

  • There is no display on the screen
  • The displayed image appears too dim or too bright
  • The displayed image appears too big or too small
  • The screen is flickering

There is no display on the screen

No Display On Screen Problem
  • Verify that the monitor’s power is ON.
  • Ensure the signal cable is firmly connected in its appropriate socket.
  • Verify that the brightness control on the monitor is at the appropriate position, not at the minimum.

The displayed image appears too dim or too bright

Monitor Appears Too Dim and Too Bright

  • Verify that the Brightness Controls on the monitor is at the appropriate position, not at the minimum. If required, you may need to adjust the contrast control as well.
  • Try changing the lighting in the room. In certain cases, overhead lights can cause an image appearing on a monitor seems dimmer.
  • Check the horizontal frequency of the monitor. If required, adjust it.
  • If the monitor is new and performing above tasks does not solve the problem, then the possibility is that the monitor itself is defective.
  • Monitor is old and adjusting brightness controls and overhead lights do not solve the problem, then the possibility is that the monitor is wearing away. Go for a new monitor.

The displayed image appears too big or too small

The Displayed Image Appears Too Big or Too Small
  • Adjust the H-Size, H-Phase or V-Size, V-Center controls.
  • Change the resolution of the screen. This often move or resize the image to give you the size you are looking for.
  • Check the configuration settings of the display adapter corresponding to the erroneous monitor to determine whether you can configure the size and position of the image from display adapter’s configuration setting. Most display adapters allow you to do so.
  • If the problem persists, send the monitor to the manufacturer for repairing.

 The screen is flickering

Screen is Flickering
  • Increase the refresh rate of the monitor but within the maximum permissible range
  • First step - Click Start > Control Panel and then click on the link Appearance and Themes.
  • Second step - Click on the link Display
  • Third step - Click on the Settings tab and then click on the Advanced button
  • Fourth step - Click on the Monitor tab,
  • Fifth step - Click OK to exit out of the Display properties
  • In the screen refresh rate, click a new refresh rate. Click OK to save the new refresh rate.
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