Article ID : 00148901 / Last Modified : 07/23/2019

The screen mirroring function does not work properly.

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The screen mirroring function using Miracast® technology may not connect or intermittently drop out depending on some environmental conditions. To resolve this, check the suggestions below.

  • Make sure that the projector is set to the correct input for screen mirroring.
  • Make sure that the screen mirroring setting of the mobile device is enabled.
  • Make sure there are no other wireless devices connected to the mobile device before setting up the screen mirroring feature of the TV.


  • A computer installed with Windows® 8.1 operating system and compatible with HDCP 2.1 or earlier cannot establish a Miracast connection.
  • A computer installed with Windows 8.1 operating system and compatible with HDCP 2.2 may be able to establish a Miracast connection when the latest Windows Update has been installed.
  • If you are using a VAIO® computer, apply the latest Windows Update and VAIO update. Downloads are posted on your model support page.
  • For computers from other manufacturers, refer to their support website for instructions to install Windows Update.