Use your Samsung Galaxy Tab as a second screen: Here’s how

If you have a reasonably updated PC with Windows 10 or Windows 11 and a Samsung Galaxy Tab with Android 11 and One UI 3.0 (or higher), you can use the tablet as a second screen and thus create a much larger desktop space. It also works without cable without any problem. Although setup is quick, we recommend a few modifications so it can be used comfortably and (mostly) without delay.

Set up your Samsung Galaxy Tab as a second screen

You don’t need to install any software on your tablet and PC, everything is already included…

  1. Swipe down on your Galaxy Tab to open Quick Access.
  2. Select the ‘Second Screen’ option and choose the ‘Draw/Play’ communication mode for quick reactions.
  3. Press the Windows key + K key combination on your computer and be patient while searching for the appropriate hardware. Then select your Galaxy Tab from the list.
  4. Click “Connect” and you will see an mirror image of the desktop on the tablet.
Select “Second Screen” to start the feature. (screenshot)

Important: Your computer and Galaxy Tab must be on the same WLAN, i.e. connected to the same router and the Internet. Otherwise, it is not easy to combine the two devices.

Duplicate or extend the screen

It is especially recommended to expand your screen if you want to work productively. Then the desktop is doubled, so to speak. However, when copying or mirroring, the Galaxy Tab displays the same content as your PC.

Repeat or extend - the choice is yours.  (screenshot)
Repeat or extend – the choice is yours. (screenshot)

The correct setting is done as follows:

  • Press the Windows key + P key combination on PC.
  • Click Expand or Repeat as needed.
  • If you only want to display the content on the tablet, select the “Second screen only” option.

Tip: Alternatively, you can also access this setting via Windows key + K and “Change display mode”.

Which Galaxy Tab is suitable for a second screen?

Not all variants of the Galaxy Tab are suitable for use as a second monitor. According to Samsung, you need a Galaxy Tab S model with Android 11 and OneUI version 3 (or higher). Hence, all Galaxy Tab S6 tablets are compatible. The same goes for the Galaxy Tab S7 and Galaxy Tab S8.

We tested the functionality with the Galaxy Tab S7.  (Photo: Samsung)
We tested the functionality with the Galaxy Tab S7. (Photo: Samsung)

The computer must have Windows 10 or a later version of Windows 11 and support Wireless Display (Miracast). Typically all desktop and laptop computers are from the last four or five years. But here, too, one thing is clear: the newer the computer, the better. Because current systems support fast WLAN connections, for example.

More settings for better performance

When you first start the expanded view, you should notice potentially unsatisfactory performance. The delayed reaction of the mouse cursor in particular illustrates the insignificant latency.

Use these tips to increase speed:

  • Once connected to your computer, press Windows Key + K and uncheck “Enable mouse, keyboard, touch and pen input on this device” to reduce latency.
  • Make sure your computer and tablet are on the same network, preferably on a 5GHz WiFi network.
  • Under “Second Screen” on the tablet (scroll down -> quick selection), change the connection mode to “draw/play” and test the “video” mode if necessary to see which one suits your configuration.
  • On the computer under Settings -> System -> Display for the second monitor (tablet), reduce the image resolution to 1280 x 720 pixels, for example.

In general we can say: instead use the tablet as a second screen for applications that do not require quick reactions. Mail, Spotify, browser tabs, and Office applications, for example, have all proven to be convenient. However, there are fewer games or control surfaces for photo and video editing tools.

Use your Samsung Galaxy Tab as a second screen here

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