- May 2, 2012
- Intel DH67BL
- HD 3000
- Mobile Phone
After doing these configurations, it still does not work
Then your laptop probably does not use the IGPU PWM registers to control the display backlight.
Computers that don't use the IGPU PWM are not compatible with AppleBacklight.kext.
It is rare, especially on newer computers, but it does happen (usually with newer computers it is because of OLED display).