J8B82PA #ACJ: brightness, adjusting keys do not work

After my new aupdate to windows 8 32-bit windows 7, this brightness keys don't work.

Please tell me the solution for this problem...

Hello @hindu2,

Thank you for visiting the HP Forums! The Forums are a great place where you can find solutions for your problems, with the help of the community!

I read your post on the matter of brightness and wanted to help you!  I understand that this problem started after the upgrade of your operating system.

Have you tried to update the BIOS, Chipset and graphics drivers for the laptop?  You can find the drivers for your product here: Drivers - HP 15-r074tu Notebook PC

If you're still having problems, try to shoot to the top of your Device Manager in the Start Menu.  Expand monitors , and then right-click on the Generic PnP monitor.  Then click on Activate.  Let me know how it goes.

Please let me know if this information helps you solve the problem by marking this message as 'accept as Solution' , this will help others easily find the information they seek.  In addition, by clicking on the Thumbs up below is a great way to say thank you!

Have a great day!

Tags: Notebooks

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