Key Takeaways:

  • Running applications using a third or second monitor in Windows 10 is a great productivity booster.
  • It should take no more than 10 minutes to fix the third monitor not detected in Windows 10.
  • Windows 10 may not be able to detect your third monitor due to a poor connection, monitor compatibility issues, defective cables, or outdated drivers.

Enabling a third monitor in Windows 10 could be a great boost to your productivity, especially when running multiple applications. It is especially useful with people who multi-task e.g. viewing live stock quotes on one screen, pouring through spreadsheets on a second screen, and checking emails on the third.

There are many reasons why a third monitor cannot be detected in Windows 10. It can be due to a monitor compatibility problem, which can be exacerbated if both monitors are not the same model. Having a high-quality monitor is an added bonus.

Luckily, fixing a third monitor not detected in Windows 10 is a straightforward process that should take no more than 10 minutes. The majority of the work revolves around checking cable connections and calibrating display settings under Windows ‘Change Display Settings’ menu system.

Keep reading to learn more about how to fix the third monitor not detected in Windows 10.

Difficulty: Easy

Time Required: 10 minutes

Total Steps: Three

Tools Needed: None

Fixing the 3rd Monitor Not Detected in Windows 10

Here are steps you can take to fix the third monitor not detected in Windows 10. The steps are similar to when your computer won’t detect a second monitor. Expect to take no more than 10 minutes with this task.

Step 1: Check All Connections

Unplug all monitors and plug them back in. Try three attempts to let auto-detection find and display the third monitor on the screen before proceeding to the next troubleshooting step. Additionally, perform a thorough check of all of your cables to make sure there is no exposed wiring that could result in a short circuit.

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Step 2: Change Your Control Panel Display Settings

If your third monitor continues to not display, press the Start button and access the Control Panel or right-click on your desktop and hit Display > ‘Change Display Settings.’ From the Change Display Settings screen under the ‘Multiple Displays’ section dropdown menu, click on ‘Extend These Displays.’

Wait for a few seconds and see if your third monitor becomes recognized. If it is not recognized, then proceed to Step 3.

Step 3: Check Windows Updates Compatibility and Graphics Card Drivers

If your Control Panel Display Settings fails to detect the third monitor, it could be due to a lack of updates. Install the latest Windows 10 updates by clicking on ‘Settings’ and clicking ‘Check For Updates.’ This will automatically download all of the latest updates to your computer, which could address the compatibility issue. The Microsoft Update Catalog website is an excellent place to check for the latest updates, some of which may be bug fixes related to displays and overall connectivity.

In some minor cases, graphic cards could prevent third monitors from being read. Be sure to check for the GeForce driver updates by visiting NVIDIA’s official website to get the latest update to your graphics cards. If your monitor uses competitor AMD’s FreeSync, it also follows a similar process.

In most cases, Step 2 will be the end-all, be-all for fixing the third monitor not detected in Windows 10.

If all else fails, another trick is to restart your computer before completing Step 2. Sometimes, background processes may interfere with the connection between your monitor and computer.

STAT:

Setting up two monitors can improve your productivity. Recent studies show that using multiple monitors cuts down on toggling from window to window. Over the course of an 8-hour workday, that can save you 15 whole minutes of toggle time – https://www.pbergo.com/just-how-many-monitors-do-you-need/

Sources:

https://windowsreport.com/third-monitor-not-detected/

*https://www.youtube.com/watch?v=te5NPbrD_nI

https://support.microsoft.com/en-us/windows/set-up-dual-monitors-on-windows-10-3d5c15dc-cc63-d850-aeb6-b41778147554

https://www.pcworld.com/article/2923941/how-to-create-an-insane-multiple-monitor-setup-with-three-four-or-more-displays.html

Fix 3rd Monitor Not Detected In Windows 10 FAQ

How do I get Windows 10 to recognize 3 monitors?

Users can get Windows 10 to recognize 3 monitors by doing one of three things: ensuring all monitor connections are tightly in place, extending displays from the ‘Change Display Settings’ screen, and downloading all of Windows latest updates along with GeForce driver updates to address any monitor compatibility issues caused by bugs. This process should take no more than 10 minutes (and potentially longer with any download updates)

Can you extend it to 3 monitors?

Yes, a user can extend to all three monitors. Users can also duplicate the same display across all three monitors or use one of the three monitors as their primary monitor. We appreciate all of these options to customize a user's personal work experience.

Can I connect 3 monitors to my PC?

Yes, three monitors can be connected to your PC by pressing the Start button and accessing the Control Panel or right-click on your desktop and hit Display > ‘Change Display Settings.’ From there, all of the configurations can be set.

Ray Prince

Diehard UFC/MMA fan and all-around techie who loves to write.

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