When the computor screen projector turns black after hitting fn F8 and screen projector flashes

When you use a projector my computor screen turns black after hitting the fn F8 and screen projector flashes in and out, how to fix?

It never worked correctly?
If Yes
Did you change since then?
You can use system restore to revert to this point?
If not.
You try to play on the computer and the projector at the same time? What happens if you just play through the projector?
Try to update your driver for graphics card via the laptop manufacturers site or the manufacturer of the graphics card if a desktop computer, do not use windows update.
Update DirectX
Reduce the graphics acceleration of the map - http://www.myvideoproblems.com/Tutorials/HowDoITurnOffAcceleration.htm
Disable other programs running.

Tags: Windows

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