Brightness won't work

[Xxilo4231]

I changed my OS from what I think was Windows 11 S to Windows 10 and then back to Windows 11 23H2, with a boot drive. I've tried drivers (HP programs) bios updates, regedit, and a bunch of other stuff, should I change the OS back to what it was? (if so where can I find the Image ISO) My brightness in general (Keys, Settings, etc.) just won't work. It's always at max. I got it from Amazon when it was available, so I hope this link helps.

https://www.amazon.com/dp/B0C491Q4L1?ref=ppx_pop_mob_ap_share

Thank you.

[Paul_Tikkanen]

See if your notebook is supported by the HP cloud recovery tool which you can use to factory reset the drive to its 'out of the box' condition.

Here is a link for how to use the utility.  You will need to use a 32 GB USB flash drive.

HP Consumer PCs - Using the HP Cloud Recovery Tool in Windows 11 and 10 | HP® Support

You can download the software from the Microsoft Store.

HP Cloud Recovery Tool - Free download and install on Windows | Microsoft Store

Afterwards, if you want or need to, you can switch out of S-mode by following the guidance at the link below:

Switching out of S mode in Windows - Microsoft Support

[Xxilo4231]

I’ll try this.