Hello everyone, I am suffering from a little issue, I have recently bought SONY VAIO VGN-CS36GJ laptop, within this laptop I am using windows 7, I have recently done windows 7 upgrade and I have got home edition 64-bit, after installation fn Key +F5 and F6 Keys were working properly when I was viewing images. But after sometime icam to know that I am not able change the brightness of screen, it is only going 1step up and down, so I just wanted to know that is t a driver issue or something else? I have not found any changes in device manager. Can anyone help to solve this?
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