WIDI/Miracast/Screenbeam stopped working (Resolved)

I have only run into this on Dell systems, but the fix should be the same for others minus Dell Command update.

  1. Run all Windows updates
  2. If it’s a Dell pc, run dell command update and continue running command update until all hardware updates are complete (may take several reboots)
  3. Download and run Intel Driver and support assistant (Dell systems may complain on display driver, that’s is OK to skip if it complains)
  4. When all drivers have been updated, make a note of you display driver
  5. In device manager, goto Display adapters, right click on your display adapter and select uninstall device. MAKE SURE YOU ALSO SELECT DELETE THE DEVICE DRIVER FROM THE SYSTEM.
  6. Reboot and everything should work

I didn’t have to reinstall the display adapter driver on a Dell Latitude 7480

On Windows 10, to connect to wireless display, select the windows key + P, then click connect to wireless display.