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Use Windows laptop or tablet as second monitor
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<blockquote data-quote="Gandalf_The_Grey" data-source="post: 1037150" data-attributes="member: 52096"><p>It is a well-known fact that two monitors are always better than one. But there is no need to buy another display to boost your productivity—you can use a spare Windows laptop or tablet as a second (or third) monitor for your primary setup. Windows 11 have built-in tools that allow using another Windows device as a wireless display with extra conveniences and no third-party apps, so here is how to use a Windows laptop or tablet as a second monitor.</p><p></p><p><strong>Tip</strong>: You can still use your laptop or tablet as a normal computer, even with a broken display. <a href="https://www.neowin.net/guides/how-to-take-a-laptop-with-a-broken-screen-and-make-it-a-usable-computer/" target="_blank">Here is a guide</a> showing you how to do so.</p><p></p><p><strong>Can I use my Windows laptop or tablet as a second monitor?</strong></p><p>If you want to use a Windows laptop or tablet as a second monitor, ensure they support Miracast, a wireless display technology. Here is how to check if your computer supports Miracast:</p><ol> <li data-xf-list-type="ol">Press <strong>Win + R</strong> and type <strong>dxdiag</strong>.</li> <li data-xf-list-type="ol">Click <strong>Yes</strong> when prompted.</li> <li data-xf-list-type="ol">Press <strong>Save All Information</strong> and specify where Windows should save a text file with your system data.</li> <li data-xf-list-type="ol">Open the saved file and look for the Miracast option under the System Information. If it says "Available," you can use your device as a wireless display. The article ends here if one of your computers does not support Miracast.</li> </ol><p><strong>How to use a Windows laptop or tablet as a monitor?</strong></p><p>Wireless Display is a hidden feature inside modern Windows versions, and using it requires downloading and installing additional Windows components, which means very few users may stumble across it accidentally. Still, it is a powerful productivity feature for those having two or more Windows computers.</p><p></p><p>Take the device you want to use as a second monitor and ensure it is connected to the same network as your primary computer. Also, use 5GHz networks for better image quality and responsiveness.</p><ol> <li data-xf-list-type="ol">Open <strong>Windows Settings</strong> and go to <strong>Apps > Optional Features</strong>.</li> <li data-xf-list-type="ol">Click <strong>View features</strong>.</li> <li data-xf-list-type="ol">Type <strong>Wireless Display</strong> and place a checkmark next to the corresponding option in search results.</li> <li data-xf-list-type="ol">Press <strong>Next</strong> and then <strong>Install</strong>. Note that the procedure requires an active internet connection since you must download about 3MB of extra components.</li> <li data-xf-list-type="ol">Wait for Windows to complete the process. You can track it in the Recent Actions section.</li> </ol><p>Now you can open the Start menu and spot the <strong>Wireless Display</strong> app. It is responsible for using your Windows laptop or tablet as a secondary monitor, and here is how to use it:</p><ol> <li data-xf-list-type="ol">Launch the <strong>Wireless Display</strong> app on the computer you want to use as a monitor for your primary PC. The app should report that the device is ready for a wireless connection.</li> <li data-xf-list-type="ol">Move to your main computer and press <strong>Win + K</strong>. You can also open Quick Settings, press the edit button, click Add, and select <strong>Cast</strong>.</li> <li data-xf-list-type="ol">Click your laptop or tablet from the list of available devices.</li> <li data-xf-list-type="ol">Select a display mode: duplicate (same picture on both displays), extend (the second device works as an extra monitor), or the second display only (self-explanatory).</li> </ol><p>Now you can open <strong>System > Display</strong> to arrange your displays, adjust scaling, change resolution, or modify any other screen-related option. Everything works identically with wired monitors and displays.</p><p></p><p>When connecting a laptop or tablet as a second monitor, you can place a checkmark next to the <strong>Allow ... input from this device</strong> option to use its keyboard and trackpad to control your primary PC.</p><p></p><p>To disconnect a wireless monitor, press <strong>Win + K</strong> on your main device and click <strong>Disconnect</strong>.</p></blockquote><p></p>
[QUOTE="Gandalf_The_Grey, post: 1037150, member: 52096"] It is a well-known fact that two monitors are always better than one. But there is no need to buy another display to boost your productivity—you can use a spare Windows laptop or tablet as a second (or third) monitor for your primary setup. Windows 11 have built-in tools that allow using another Windows device as a wireless display with extra conveniences and no third-party apps, so here is how to use a Windows laptop or tablet as a second monitor. [B]Tip[/B]: You can still use your laptop or tablet as a normal computer, even with a broken display. [URL='https://www.neowin.net/guides/how-to-take-a-laptop-with-a-broken-screen-and-make-it-a-usable-computer/']Here is a guide[/URL] showing you how to do so. [B]Can I use my Windows laptop or tablet as a second monitor?[/B] If you want to use a Windows laptop or tablet as a second monitor, ensure they support Miracast, a wireless display technology. Here is how to check if your computer supports Miracast: [LIST=1] [*]Press [B]Win + R[/B] and type [B]dxdiag[/B]. [*]Click [B]Yes[/B] when prompted. [*]Press [B]Save All Information[/B] and specify where Windows should save a text file with your system data. [*]Open the saved file and look for the Miracast option under the System Information. If it says "Available," you can use your device as a wireless display. The article ends here if one of your computers does not support Miracast. [/LIST] [B]How to use a Windows laptop or tablet as a monitor?[/B] Wireless Display is a hidden feature inside modern Windows versions, and using it requires downloading and installing additional Windows components, which means very few users may stumble across it accidentally. Still, it is a powerful productivity feature for those having two or more Windows computers. Take the device you want to use as a second monitor and ensure it is connected to the same network as your primary computer. Also, use 5GHz networks for better image quality and responsiveness. [LIST=1] [*]Open [B]Windows Settings[/B] and go to [B]Apps > Optional Features[/B]. [*]Click [B]View features[/B]. [*]Type [B]Wireless Display[/B] and place a checkmark next to the corresponding option in search results. [*]Press [B]Next[/B] and then [B]Install[/B]. Note that the procedure requires an active internet connection since you must download about 3MB of extra components. [*]Wait for Windows to complete the process. You can track it in the Recent Actions section. [/LIST] Now you can open the Start menu and spot the [B]Wireless Display[/B] app. It is responsible for using your Windows laptop or tablet as a secondary monitor, and here is how to use it: [LIST=1] [*]Launch the [B]Wireless Display[/B] app on the computer you want to use as a monitor for your primary PC. The app should report that the device is ready for a wireless connection. [*]Move to your main computer and press [B]Win + K[/B]. You can also open Quick Settings, press the edit button, click Add, and select [B]Cast[/B]. [*]Click your laptop or tablet from the list of available devices. [*]Select a display mode: duplicate (same picture on both displays), extend (the second device works as an extra monitor), or the second display only (self-explanatory). [/LIST] Now you can open [B]System > Display[/B] to arrange your displays, adjust scaling, change resolution, or modify any other screen-related option. Everything works identically with wired monitors and displays. When connecting a laptop or tablet as a second monitor, you can place a checkmark next to the [B]Allow ... input from this device[/B] option to use its keyboard and trackpad to control your primary PC. To disconnect a wireless monitor, press [B]Win + K[/B] on your main device and click [B]Disconnect[/B]. [/QUOTE]
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