I have a Samsung Galaxy SIII (GT-I9300) which supports Screen Mirroring. I would like to use this feature to share my screen with a Samsung Galaxy S Plus (GT-I9001) running Android Gingerbread or with a Windows 7 or Vista computer or Sony Bravia TV. However, when I try to activate the feature on the SIII by clicking Settings -> Connections -> Screen Mirroring I get a message that says "Available Devices Scanning... No devices found".

Does Screen Mirroring need to be available (and enabled) on both devices, or on just one device? Do I need to have any special software for it to work? How do I get this feature to work?


  • I have found a description of screen mirroring to PC devices on the following page. Apparently, since I am running Android 4.3, I need to install this patch to get Screen Mirroring to work on my Android device. When I press the Source button on my TV's remote control I see I can select various input sources including Digital, Analog, AV1, AV2, HDMI1, HDMI2, Component, PC, no Screen Mirroring input source, so no luck. – John Sonderson Dec 2 '14 at 16:50
  • I've downloaded the patch but when I tried to launch the ScreenMirroring Patch application I got a message stating that the patch was not needed, so I guess my device applied the patch automatically. – John Sonderson Dec 2 '14 at 16:53
  • The following page contains some more information. – John Sonderson Dec 2 '14 at 17:19
  • A physical HDMI adapter device for TVs powered via a microUSB port called the Chromecast can be plugged into a TV to make it support the Screen Mirroring feature for streaming your Android devices' screen to the TV. However, this solution apparently also requires the Chromecast app to be installed on the Android device and this requires Android 4.4.2 or higher, hence this solution is not compatible with my device. – John Sonderson Dec 2 '14 at 17:28
  • Another solution is to plug a Miracast USB-powered HDMI adapter into the TV or computer monitor to which the data is to be streamed, and stream from an Android 4.2.1 device (streaming from Windows 8.1 PCs and phones is also supported), but this solution again also requires you to purchase the physical adapter so this solution doesn't work out-of-the-box. Regards. – John Sonderson Dec 2 '14 at 17:34

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