RehabMan
Moderator
- Joined
- May 2, 2012
- Messages
- 181,016
- Motherboard
- Intel DH67BL
- CPU
- i7-2600K
- Graphics
- HD 3000
- Mac
- Mobile Phone
how to know and check I have IGPU PWM or not
If AppleBacklight.kext or IntelBacklight.kext (with Brightness by bergdesign or <10.12.3) don't work, then your computer does not use the IGPU PWM for backlight.
It is pretty typical for Fujitsu of your laptop era (and Samsung, and certain Lenovo).