How To Fix Flickering On Dell Monitor?

Monitor flickering is a visual phenomenon in which a computer monitors or displays rapidly and repeatedly fluctuate in brightness.

Are you tired of constantly battling a fluctuating screen on your Dell monitor? The constant distraction can be a real headache but don’t worry, you’re not alone.

You can get let go of that annoying flicker and come back to a clear, stable display with a few simple steps.

A Refresh Rate Test measures the frequency at which a display updates its image. A higher refresh rate results in smoother motion and reduced motion blur, improving the viewing experience.

Causes Behind Dell Monitor Flickering

Various factors, like faulty cables, out-of-date or incorrect drivers, low refresh rates, electrical interference, overheating, physical damage, and broken hardware, can make a monitor flicker.

Dell monitor flickering can be caused by several factors, some of which include;

  • Unstable Power Supply: A fluctuation in the power supply can cause the screen to flicker or even turn off.
  • Improper Cable Connection: A flicker can also be brought on by an improper VGA, HDMI, or DVI cable connected to the monitor or graphics card.
  • Old Monitor: An old monitor can also be a cause of flickering.
  • Outdated Graphic Driver: If the graphics card driver is outdated or incompatible with the operating system, it can cause the monitor to flicker.
  • Faulty Video Card: A faulty video card may lead in the monitor flickering or displaying strange graphics.
  • Display Setting: In some cases, the display settings on your computer can also cause flickering on a Dell monitor.
  • Low Refresh Rate: A low refresh rate can cause flickering or tearing in the display, particularly when displaying fast-moving images or videos.
  • Faulty Monitor: If the monitor is physically damaged, such as a cracked screen or damaged internal components, it can cause flickering.

Fix Flickering On Dell Monitor

Several steps can be taken to fix the flickered screen on a Dell monitor. Some options are mentioned in this article, which will help you to prevent or resolve flicker issues and maintain optimal performance.

1. Restart The Monitor

One simple solution to fix the flicker on a Dell monitor is to restart the monitor simply. Here’s how:

  • Turn off the monitor using the power button.
  • Wait a few seconds.
  • Turn the monitor back on using the power button.

2. Maintain Proper Power Supply

Maintaining a proper power supply is important to prevent flickering on a monitor.

  • Use a surge protector
  • Avoid power outages:
  • Keep your computer and monitor plugged into the same power source

3. Check The Cable Connection

Improper cable connections can cause flickering on a Dell monitor.

  • Check the cable: Connect the cables properly to monitor.
  • Replace the cable: If the cable is damaged or worn, it can cause flickering.
  • Check for loose connections: Make sure all connections are secure and not loose.
  • Try a different cable: If you’ve tried the above steps and are still experiencing flickering.

4. Update Graphic Driver

Out-dated graphic drivers can cause flickering on a Dell monitor.

  • Find out who makes your graphics card: On the Windows desktop, perform a right-click and choose “Display settings.” Then select “Display adapter properties” and look for the name of the company that made your graphics card.
  • The website of the manufacturer Goes to the “Support” or “Downloads” section of the website of the company that made your graphics card.
  • Find and download the latest driver: Search for the latest driver for your specific graphics card model.
  • Install the driver by double-clicking the file to launch the setup wizard.
  • Restart your system: Once the installation has finished, restart your device.

5. Check The Video Card

The video card is also known as the graphics card. You can use the steps below to check your video card:

  • Open the Device Manager.
  • Expand the Display Adapters category.
  • Check for errors: Look for any yellow exclamation marks or red ones next to your video card. If you realize any, your video card is malfunctioning.
  • If there is an error, Update the driver.

6. Check The Display Setting

Incorrect display settings can cause a flickering screen on a Dell monitor. Here’s how to check the display settings:

  • Check The Refresh Rate: A refresh rate set too low can cause flickering.
  • Change The Resolution: Try changing the resolution of the display to see if that resolves the issue.
  • Check The Display Mode: Check whether your display mode is in the correct aspect ratio.
  • Update The Monitor Driver: Please update your monitor driver, You can check for driver updates on the Dell website.
  • Disable Hardware Acceleration: Hardware acceleration can result in flickering if you use a graphics-intensive application like a game.

7. Check The Refresh Rate

A low refresh rate can cause flickering on a Dell monitor.

  • Right-click on the Windows desktop and select “Display settings.”
  • Click on “Advanced display settings.”
  • Search  “Display adapter properties” and select “List all modes.”
  • Select the recommended refresh rate for your monitor.
  • Click “Apply” and then “OK.”
  • Restart your device to ensure that the changes are applied.
  • By setting the refresh rate to the recommended rate, you can help prevent flickering on your Dell monitor.

8. Check Monitor Isn’t Faulty

A faulty monitor can cause flickering. Here’s how to check if your Dell monitor isn’t faulty:

  • Check for physical damage: Look for any physical damage on the monitor.
  • Check the monitor on some other computer to see the issue, if the issue is in your monitor then from this you will detect it easily.
  • Try a different cable: If you have a different cable, try connecting the monitor to your computer using that cable.

9. Contact Dell Service Centre

The Dell service center can provide you with professional assistance and repair services if needed.

  • Visit Dell’s website: Go to Dell’s official website and select “Support.”
  • Locate the service center: Find the contact information for your local service center. 
  • Contact the service center: Contact the service center either by phone or email. Explain Your Problem.
    • Contact Number
    • Toll-Free: 1800-425-4051
    • Toll: 080-2510-8035
    • Email: Dell doesn’t have email support.
  • Provide your monitor information: Provide the contact number and serial number to the service center.

What To Do If Dell Monitor Flickering Not Fixed?

There are a few things you can try if the flickering on your Dell monitor is still an issue even after trying all the solutions and getting in touch with the Dell service center:

  • Consider purchasing a new monitor: If the monitor is still under warranty, Dell may replace it for you.
  • Check with a computer repair service: If you need more time to repair the computer yourself, consider checking with a local computer repair service.
  • Consult with a professional: A professional can provide you with additional solutions and support to resolve the issue.


Is It Normal For The Monitor To Flicker?

No, the fact that your monitor is flickering indeed should not be accepted as normal.

How To Reset Dell Monitor?

To reset a Dell monitor, you can follow these steps:

  • Turn off the monitor.
  • After a few mint plugins are back.
  • On the monitor itself, locate the buttons labeled “Menu,” “Input,” and “Factory Reset” (or “Reset”).
  • Click on the menu button for accessing the monitor’s setting 
  • Select the “Input” section to select it.
  • Confirm your selection.
  • Wait for the monitor to reset.

Please be aware that depending on the make and model of your Dell monitor, the exact steps may change.

Can HDMI Cause Screen Flickering?

Yes, HDMI can cause screen flickering. The broadly been using HDMI video interface is used to link computers, TVs, and other source devices to monitors, TVs, and other devices.

Can Dust Cause Screen Flickering?

Yes, dust build-up inside a computer or monitor can cause a screen to flicker.


In conclusion, there are several causes for flickering on a Dell monitor including an unstable power supply, and a low refresh rate. 

You can try restarting the monitor, maintaining a reliable energy source, checking the video card, a screen configuration, as well as checking the refresh rate to resolve the problem.

If not all of these fixes work, the display equipment itself might be faulty and need to be replaced.

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