Question cant decrease brightness in windows 10

Feb 13, 2019
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Hello everyone,

I am using windows 10, ASUS X456UAK. My problem is I can not increase or decrease the laptop brightness. Event I tried from windows mobility center and found that the brightness bar is already in 0% but still brightness is in the max. I tried to find out the problem and googled.
I tried most of the solution like updating Intel hd graphics 620 driver which is not running but nothing worked.


Note:I tried to install a driver for usb to vga adapter, I think this is the root cause of this problem. I uninstalled it and tried but nothing worked.


Thank you
Jannatul Nayeem
 

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