Monitor Not Working After Windows 11/10 Update (Fix)

It’s not uncommon that sometimes the main or second monitor may encounter not detected issue, monitor no signal, out of range, not turning on, won’t display or simply not working, especially after a recent Windows update in Windows 11 or Windows 10. If that’s what you are facing right now, you’re certainly not alone with the issue and here are some solutions you can try to fix it.

Monitor not working or not detected problem is usually due to sudden driver changes (monitor driver and video card driver), cable failure, or monitor failure. If that happens immediately after an Windows update, it’s most likely a driver software error.

Also see: Second Monitor Not Detected in Windows 11/10

Fix: Monitor Not Working After Windows Update in Windows 11 or 10

Here are some fixes you can follow to troubleshoot your monitor problem. You don’t have to follow all of them, but you can work your way down until you find one that works to resolve your issue.

Monitor Not Working After Windows 10 Update

Reconnect monitor and restart your computer

For a monitor that suddenly stopped working, the very first thing to try is to unplug the monitor cable from your CPU and reconnect it. Then, restart your computer to allow Windows to automatically detect and install the monitor.

Reinstall monitor and video driver

To install any driver, you need to at least be able to interact with the Windows desktop. If you don’t, you will need a spare monitor to be able to apply fixes if it’s your primary monitor that is not working after Windows update. If it’s your second monitor not detect, just use your primary monitor to troubleshoot the problem.

Monitor usually don’t need a specific driver installation unless you’re using some exotic and rare monitor that Windows can’t recognize. Windows is capable of automatically detect and install the right driver for your Monitor. Anyway, if you have a driver CD or if you know where to download your monitor driver from your manufacturer’s website, do so and see if it fixes the monitor not working after update issue.

Read: Generic PnP Monitor Driver Windows 11/10 Download Problem

As for video driver, however, it’s very common that Windows update could break the video driver if you have specific setup for your computer. Just so you know, if you run Windows Update in Windows 11 or 10, Windows will first detect what video card you’re using and attempt to install the best matched driver from its Windows driver repository and override your existing driver.

If you’re using an older video driver or any specific version of video driver, you may want to reinstall the driver as it probably has been overridden by Windows update. If you’re using Nvidia or ATI graphic card, it’s best to download the latest driver for your graphic card manually from their website respectively.

To update your monitor or video driver, follow the steps below. Also, read: How to Update Graphics Driver in Windows 11.

  1. Go to start menu.
  2. Search for Device Manager and open it.
  3. Expand the Monitor category.
  4. Right-click on your monitor and select Update driver.Monitor not working after update Windows 10
  5. As for graphic card driver, expand Display adapters.
  6. Right-click your graphic card and select Update driver.Monitor no signal after update driver

If your monitor wasn’t installed, it will appear as an unknown monitor with an exclamation mark in the device manager. If that’s what you see, updating it should fix the monitor not working after update error.

Similar issue: Second Monitor Keeps Flickering, Flashing or Going Black Randomly (Fix)

Uninstall monitor and video driver

If updating the driver doesn’t work, you can try to uninstall the driver and allow Windows to automatically detect and install the right driver for you.

Go back to the device manager as instructed above, right-click your monitor. Instead of selecting Update driver, select Uninstall driver. Please keep in mind that you should only uninstall your second monitor if you have a primary monitor that’s currently working fine. If you mistakenly uninstall your primary monitor, both monitor will go blank and you will have problem to troubleshoot further.

Second Monitor not detected After Windows 10 Update uninstall

After the uninstall is done, restart your computer. Windows will then be able to automatically detect and install the right driver for your monitor on the next restart.

Check your HDMI, DP, DVI or VGA cable

If nothing works, the issue may be due to hardware error. Cable is one of the most common reason for a monitor failing to work.

Check your HDMI, DP (Display Port), DVI or VGA cable if you’re using any of these. Try to temporary replace it with a working cable from your primary monitor or another computer to verify if it’s the cable that’s causing the issue.

If the cable is proven to work fine, then it may come down to your monitor itself. Test your monitor on another computer. If it fails to work as well, it could mean that the monitor is defective.

Description for sharing: 4 solutions on how to fix monitor not detected, no signal or simply not working issue for main or second monitor after Windows 11/10 update.

Published by Nyau Wai Hoe - Updated on