Brightness key not working

[Sheikhshourov]

Hi, My hotkey like the brightness up and down key not working, and every time I see this message when I try this.

Please assist anyone. My laptop model is HP 840 G5

[Paul_Tikkanen]

Hi:

See if this discussion is if help to you...

Update HP Hotkey UWP Service - HP Support Community - 8356241

If you need to install the HP Software Framework program, you can install it from the link below.

https://ftp.hp.com/pub/caps-softpaq/cmit/softpaq/CASLSetup.exe 

[Sheikhshourov]

Hi,

Thanks for your help links and support, I already installed these tow software but the result is the same, it still not working and showing the same popup message. 

Thank You

[Paul_Tikkanen]

You're very welcome. 

Unfortunately, I don't have any other suggestions for you to try. 

[Sheikhshourov]

Thanks, brother, my keys are now working well after restarting the computer.

However, have you any ideas how I know, the country of origin of my laptop using the serial keys/device id/product id or something?