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Author Topic: 770m in iMac 2011 works perfect in OS X but no backlight in Windows  (Read 3365 times)
p11hlf
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« on: September 25, 2016, 03:26:26 AM »

Hi guys,

Can someone please help with the my new gpu in a 2011 iMac.

Works great in OS X, however in Windows the screen backlight isn't illuminated.

I have tried a load of different drivers, reinstalled Windows via bootcamp.

The screen doesn't illuminate but if you use a flash light you can see a picture.

Maybe it's a rom thing.

Thanks

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