[E442] Win7 - screen flashing with Fn + F6

Hello

I have a laptop with a strange behavior under Win 7 x 64 home Fr.

External display works but not the main screen.

When I press Fn + F6, I see very little time the hand switch on/off the screen and then go down.

Graphics card is ATI Mobility Radeon H4200 Series. (driver is 8.970.100.1100 - 24/04/2013)

I installed AMD automatic detection to update this driver.

When I press Fn + F5, I see on the screen what mode it will use (clone, duplicate,...). But still not put main screen 'on '. The auto detection set main screen is unknown.

Any idea?

Thank you

Vincent

Check one last thing, use a tochlight and that it points to your laptop computer (only with the working laptop monitor) monitor, you see something?

Otherwise, your monitor is completely dead, or the monitor cable is disconnected inside the laptop.

Tags: Acer Laptops

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