How to use Android tablet as second monitor for Windows or Mac [Guide]

iDisplay_MacandGalaxyTabHave a productivity problem within windows yet only one screen? Own an Android tablet? If so, the answer is right under your nose. Using the iDisplay Android app will enable you to turn your tablet into a second monitor.

Before We Begin

The iDisplay Android app is a paid application, but a great one at that. For the $4.99 price tag, it’s worth it if you want to turn your tablet into a second monitor.

The Android app works with Android version 2.1 and later.

In order for iDisplay to work, drivers are needed on your Windows or Mac computer. Download them from here. If you’re a Windows 8 or 8.1 user, install the drivers in Windows 7 compatibility mode. If you’re unsure how to do that, just right click on the installer and look for ‘compatibility’. Be sure to reboot your machine when the drivers have been installed.

Note: If iDisplay is not working, your firewall may be blocking it.

How To Use Your Android Tablet As A Second Display for Windows or Mac

After installing both the iDisplay Windows drivers and the Android app, it’s time to set everything up. You’ll need to make sure your PC and Android tablet are on the same network. When you’ve determined that both your tablet and Windows PC are communicating, open the Android app and connect to your PC. If the iDisplay Windows drivers have been installed correctly, your PC will show up in the Android app. Follow the instructions that the app prints on-screen.

Conclusion

Mobile devices aren’t just for play, and iDisplay proves it. It’s a wonderful way to get some extra productivity out of your tablet. Besides, who doesn’t love having a second or third monitor? Enjoy!

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2 comments

  1. jivadas

    WARNING!

    I spoke too soon.
    When I installed the free PC part of the app, It totally destroyed the arrangement of my desktop screen, which will take long to rebuild.
    When I tried to uninstall this monster, using my trusty _UninstallTool_, it signaled that the app was running, and must be closed. I could not find any way to close it. So I shut down.
    When I restart, something odd happens. The “On” button on my hardware goes to Off. And the little blinking light below continues flashing.
    But the screen is dark. I use the button (which is also dark) to turn my PC off. Nothing happens. The fan is still whirring, the light blinking.
    I unplug the hardware, wait respectfully for the cloud.dust to settle, and plug back in. This time things seem normal, but still no screen.
    So I lie down for a while (I did not time it, I was enjoying the unseasonal warmth of coming spring),
    and glance toward my screen, and that little wheel starts whirling.
    Back to normal, I thought. But I still could not complete the uninstall.
    So I did a SYSTEM RESTORE which would take me back before installing this monster, and I also went before previous downloads related to Samsung KIES (another PC/Device connector).
    I shut.down, and my secret inner part said a prayer to my guru ramaNa, which must have helped, for the Startup went perfectly.
    My desktop arrangement (involving multiple files, designed over many hours) was restored.
    And all trace (that I can find so far) of the Monster has been removed.

    I would guess this involved a conflict between KIES and the Monster. Or it is some other error of the Doctors Frankenstein.

    xØx
    jd

  2. jivadas

    Thanks for the headsup, Derrik.
    I tried Splashtop, an android app which duplicates my PC desktop on my tablet, allowing me to work
    my pc from my tablet or vice.versa.
    I tried this at a downtown Toronto hotspot (Tim Horton’s), and their system would not connect me, calling the link suspicious.
    I’ll give this a try.

    xØx
    jd