If you're facing a screen brightness issue on your HP Pavilion 13-b100nt (Sonoma), here are several steps to diagnose and fix it, depending on whether you're running Windows, Linux, or macOS Sonoma via Hackintosh (since "Sonoma" is typically macOS 14):
If You’re Running Windows:
1. Update Display Drivers
Press Win + X → Device Manager → Expand Display adapters.
Right-click your graphics adapter (e.g., Intel HD Graphics) → Update driver.
Choose “Search automatically for drivers”.