11-03-2015, 01:28 PM
Try the Winkey+O (Winkey = key with windows / flag on it)
Hold down Winkey and press O it should toggle the auto rotate on / off.
Failing that go to Charms Bar (right hand side) and select Brightness.
Left Mouse Button the Screen Icon at the top of the Brightness slider.
Hold down Winkey and press O it should toggle the auto rotate on / off.
Failing that go to Charms Bar (right hand side) and select Brightness.
Left Mouse Button the Screen Icon at the top of the Brightness slider.