After 2017 April Apple OSX update, HP Elitebook 2170p boots to black screen
helgadeville opened this issue · 1 comments
helgadeville commented
During boot process, Intel HD4000 driver is beeing run, then the screen dims rapidly and goes totally black - the backlight is turned off.
After some investigation - the problem is with IntelBacklight.kext. Deleting this module on the said Elitebook 2170p resolves the issue completely, moreover, the brightness slider and keys work properly.
RehabMan commented
The current code does not use IntelBacklight.kext on 10.12.
You must have not followed the guide or are using old code.