Looking problem solution of screen brightness

[Waseem_16]

Hi am using gateway ne46rs1 model acer notepad but my screen did not increasing or decreasing .what the problem for my laptop .am tried all the above methods it cant work. Please give me solution.

Thank you.

 

[hang-the-9]

Is the screen actually bright or no image or so dim you can't see it? What "above methods" did you try? You did not list any and if you are talking about another thread, there are thousands of them.