Second Monitor Turns Off and On Repeatedly in Windows 11: Fixed

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Release: 2024-10-31 09:07:29
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Second Monitor Turns Off and On Repeatedly in Windows 11: Fixed

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    If your second monitor turns off and on repeatedly in Windows 11, it could be because of hardware malfunctions, driver problems, or incorrect settings. This frustrating issue can disrupt your workflow. Luckily, you can restore your multi-monitor setup with these quick fixes:
  • Remove other peripheral devices.
  • Restart your PC.
  • Use a different cable.
  • Use a different port.
Ensure the power cable is properly fixed.

If these don’t resolve the problem, let’s try more detailed steps.

Disable and Re-enable the Graphics Card

    This can refresh the graphic card’s state and resolve minor glitches that may be causing the monitor to flicker. Here are the steps:
  1. Right-click the Start button and select
  2. “Device Manager.”

Second Monitor Turns Off and On Repeatedly in Windows 11: Fixed

  1. Expand the “Display adapters” section to find your graphics card. Right-click on it and select
  2. “Disable device.”

Second Monitor Turns Off and On Repeatedly in Windows 11: Fixed

  1. Confirm by tapping
  2. Yes.

Second Monitor Turns Off and On Repeatedly in Windows 11: Fixed

  1. After a few seconds, right-click again and select “Enable device.”

Second Monitor Turns Off and On Repeatedly in Windows 11: Fixed

Check if your second monitor is working without turning off and on. If the problem persists, try the next fix.

Update Display Drivers

Outdated or corrupted display drivers can lead to issues with secondary monitors. To update them:

  1. Type “Device Manager” on the search button and click Open.

Second Monitor Turns Off and On Repeatedly in Windows 11: Fixed

  1. Right-click on your graphics card under “Display adapters” and select “Update driver.”

Second Monitor Turns Off and On Repeatedly in Windows 11: Fixed

  1. Choose “Search automatically for drivers.” Windows will search for and install any available updates.

Second Monitor Turns Off and On Repeatedly in Windows 11: Fixed

Alternatively, install and run PC HelpSoft Driver Updater to automatically update all the outdated drivers without going through the process manually.

Roll Back Display Drivers

If the problem began after a recent driver update, reverting to an earlier version can resolve compatibility issues. Follow the below steps to roll it back:

  1. Press the Windows Icon R, type devmgmt.msc and hit Enter to open the Device Manager.

Second Monitor Turns Off and On Repeatedly in Windows 11: Fixed

  1. Right-click your graphics card and select “Properties.”

Second Monitor Turns Off and On Repeatedly in Windows 11: Fixed

  1. Go to the “Driver” tab and click “Roll Back Driver” if available.

Second Monitor Turns Off and On Repeatedly in Windows 11: Fixed

Uninstall and Reinstall Display Drivers

If updating or rolling back doesn’t work, a clean reinstall may help. This process removes corrupted files and configurations, providing a fresh start for your graphics drivers:

  1. Right-click the Start button and select “Device Manager.”

Second Monitor Turns Off and On Repeatedly in Windows 11: Fixed

  1. Expand the Display adapter category, right-click your graphics card, and select “Uninstall device.” Confirm you want to do so.

Second Monitor Turns Off and On Repeatedly in Windows 11: Fixed

  1. Restart your computer. Windows should automatically reinstall the driver upon startup.

Check if your second monitor works properly without going black or other problems.

Change Monitor Frequency

Incorrect monitor refresh rates can lead to stability issues. Matching the refresh rate to the device’s specifications can reduce flickering. Here’s how to do it:

  1. Press the Windows Icon I to open Settings, select System, then click Display.

Second Monitor Turns Off and On Repeatedly in Windows 11: Fixed

  1. Scroll down and click on “Advanced display” under Related settings.

Second Monitor Turns Off and On Repeatedly in Windows 11: Fixed

  1. Tap the drop-down menu, choose your second monitor, and adjust the refresh rate to a compatible setting (typically 60Hz).
advanced display settings refresh rate

If your second monitor turns off and on repeatedly in Windows 11, follow these steps to troubleshoot the issue. Begin with the easiest solutions and move on to more complex ones.

Also, learn about the features of a gaming monitor if you’re thinking of upgrading.

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