Laptop Brightness and Close Lid Options are Not Working After Changing the Screen.

Mr Alfa

Jun 5, 2015
I have a samsung NP300E5Z-S02IN laptop. Recently the screen was damaged then i changed it with new one. Now a new problem was arose in my laptop. these are the problems of my screen.

1. Screen Brightness is not working.(I tried to update driver to Microsoft basic display driver)
2. Screen not going to turnoff when i close the lid.
3. Laptop not going to sleep or hibernate mode after closing the lid. (I checked options are correctly configured).

Please suggest me the solution to the above problem.
Thank youn in advance.