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hp laptop brightness not working

hp laptop brightness not working

Troubleshooting in a Step-by-Step Manner
Upgrade Graphics Drivers:
Access the Device Manager.
Open the "Display adapters" category.
Right-click on your graphics driver and click on "Update driver."
Select "Search automatically for updated driver software."

Check Power Settings:
Navigate to Settings > System > Power & sleep > Additional power settings. Choose your current power plan and select "Change plan settings." Then, click on "Change advanced power settings." Under "Display," expand the section and locate "Enable adaptive brightness," ensuring that it is disabled for both "On battery" and "Plugged in" options.

Reinstall Graphics Drivers:
Remove the existing graphics driver. Visit the manufacturer's website (Intel, NVIDIA, AMD) and obtain the most recent driver for your specific GPU model. Install the downloaded driver and reboot your laptop.

Verify Windows Update:

Navigate to Settings > Update & Security > Windows Update.
Look for updates and install any that are present.
BIOS/UEFI Update:
Look up your specific laptop model.
If available, download and install the most recent BIOS/UEFI update.


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