HD 4000 Brightness doesn't work

[macml]

Nothing attached.

hello, see you again ,I give up that problem.

now I have another problem
I use applealc.kext original . (by you) IDT 9287B1/3 codec 111D76D1 layoutid 12
but int mic does not work .
please fix it.

did you fix it? please

 

[RehabMan]

did you fix it? please

What is it you're trying to accomplish?
Your questions are all over the map, and I cannot figure out what an audio codec dump has to do with "HD4000 Brightness" as per title of this thread...