How to Troubleshoot A Flickering LG Monitor [Simple Steps]

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Are you also facing a rapid and repeated flashing of the screen, a  noticeable change in the brightness of the screen? If yes, you are not alone, many users have faced this common issue recently with LG monitors. This issue is referred as to “Flickering LG Monitor”. 

Why is your LG Monitor Screen Flickering?

The flickering screen issue with your LG monitor may cause the screen to not appear properly. The problem can be caused by several reasons including a temporary glitch, problematic graphics cards, software issues, or power supply issues.

A loose cable connection, any physical damage to the connection, or a low monitor refresh rate can also be accepted as a possible cause.

Troubleshooting An LG Monitor Having a Flickering Screen

Fix LG Monitor Flickering Screen

Power Reset and Restart Your Monitor 

A simple power reset and restart can solve your problem. To do this, follow these steps:

Turn off the monitor > unplug it from the power source > wait for a few minutes > plug the monitor back into the power source > and turn on the monitor.

Check For Loose Cable Connection

Check your cables and make sure that these are securely connected to the device because the main cause of flickering is loose cables.

Ensure You Have a Stable Power Supply 

Due to improper supply of power to your device can cause the flickering of the LG monitor. So, make sure that your device gets enough power for proper functioning.

Remove Damaged Cable 

Check your cable for visible damage. If any damage appears, try to repair or replace it.

Many Devices Connected To The Same Power Strip 

If many devices are plugged into a single power strip, can draw excessive power, which can cause an issue in the power supply due to which the LG Monitor starts flickering.

Maintain the Monitor Refresh Rate 

If your device setting is maintained to low refresh mode you may notice to be flickering the LG Monitor. So, maintain the refresh rate by following steps: 

  • Right-click on the desktop and select “Display Settings.”
  • Scroll down and select “Advanced Display Settings”.
  • Click on the “Display Adapter Properties” option.
  • In the next window, click on the “Monitor” tab.
  • Go to the “Monitor Settings” section, and check the refresh rate listed.
  • Click “Apply” and then “OK.”

Update Graphic Drivers  

If you are using an outdated graphic driver, it can result in display issues such as flickering or lines. Update your graphic drivers to prevent such issues with your LG monitor.

  • Open Windows Settings and select “Device Manager.”
  • Next, click on “Display Adapters“.
  • Right-click on the graphic driver listed and select the “Update Driver” option from the prompt list.
  • Choose “Search automatically for updated driver software” to find out the updates available for your graphic drivers.
  • Follow the prompts to install it.

Check the monitor for any damage

If your monitor is damaged, it may lead to flickering, so make sure that if you have any visible damage, try to replace it.

Still Happens A Problem 

If you, still facing the problems then consider the following troubleshooting tips:

  • Try using a different monitor for your device.
  • Update any outdated software for the Computer. 
  • Test the monitor in safe mode.
  • Check for any physical damage. 

Contact Support 

If none of the above-mentioned techniques work for you, then you try to contact LG Customer Support.

Contact Number – 1800 315 9999 or visit to get in touch with the LG support team.

Once you have reached customer service, explain your issue and troubleshooting techniques that you did already.


How do I reset my LG Monitor?

To reset your monitor follow these steps :

Press the power button > disconnect all cables > wait for a few minutes > hold the power button > reconnect the power cable >turn on the monitor > reconnect the video cable.

Can faulty RAM cause screen Flickering?

No, a faulty RAM is not the direct cause of it.

Ending lines

There are many reasons behind “Flickering LG Monitor” such as low monitor refresh rate, outdated graphic driver, faulty video card, and a damaged monitor. Start troubleshooting this problem by checking for loose or broken cables – this is the most common cause of screen flickering.

If the cables are tight and have no physical damage then try other troubleshooting steps mentioned in this guide.

We have talked about some possible solutions to your problem, but always remember that for each solution, it is necessary to execute the suggested troubleshooting techniques to get a guaranteed solution without any issues.

In the end, if you still facing a flickering screen on your LG Monitor, try to contact the LG Service Centre.

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