Brightness has only two settings after replacing the screen

Hello

I have a G780. After a cracked screen, I installed a new screen, matched the pieces exactly and everything went very well. I jumped the rear window over and under voltage. I have not noticed other problems after the fall that caused the screen be broken. However, now the screen only has two settings no brightness and a high gloss. Is there something I can do? Perhaps, with the BIOS?

Will be Lutz

Ok thank you

I am Windows 7 Home Premium 64 bit slot. service pack 1.

What is the process of installing the drivers? Should what drivers I uninstall?

Will be Lutz

Tags: Lenovo Notebooks

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