[FIX] HP Laptop Brightness Key Not Working in Windows 11, 10, 8, 7

Your brightness key or control stopped working on a HP laptop? In Windows 11, 10, 8 or 7? We have a HP Elitebook 8570P laptop, and recently, the brightness control key just stopped working all of a sudden. We did everything to fix the brightness control issue, but couldn’t fix it. Today, we finally found the solution for the brightness key issue! We had to download this specific driver for our HP laptop!! This is the file name: After installing it and restarting the laptop, the brightness key started to work again! Hope this fixes your issue too! HP Hotkey Support Driver Download: