Hi Ryan,
If the display on your computer still dims even if the adaptive brightness has been disabled, then there's a possibility that the Display Power Saving Technology or the Adaptive Contrast Enhancement has been enabled. To disable both options, follow these steps:
- Search for and launch Intel Graphics and Media Control Panel.
- Click Power > Battery.
- Uncheck Display Power Saving Technology, then click Apply.
- Go back to the Intel Graphics and Media Control Panel main menu.
- Click Advanced > Media > Image Enhancement.
- Uncheck Adaptive Contrast Enhancement and include as well the Film Mode Detection, then click Apply.
Please update this thread with the result so I can assist you further if needed.
Regards.