I am not able to adjust the brightness of my screen, Lenovo P500

I just upgraded my system to Windows 8.1. And I stuck with this sun screen. I couldn't change the brightness of the display using the keys. I also tried to adjust the brightness on the control panel power Plan, but nothing works.

I had the same problem before too, so I used to roll back the driver Intel HD, and the problem used to be solved. But after the upgrade of the system, is there no option for Driver up. So, how can I adjust the brightness of my screen again?

razendra wrote:

Uninstalled the driver with delete option, installed the new version!

Good news, it's screen is bright now!

Bad news, it's screen is bright now!

I couldn't adjust the brightness!

Try to go to bios. Use the function keys to adjust brightness. Can you make the adjustment?

Tags: Lenovo Notebooks

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