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Black screen HD4000


bajito93

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Thanks friend

 

my screen resolution is 1366x768 

 

i will try this files and tell the results 

 

Edit: I try all the DSDT-test but only boot with three (DSDT with this AAPL,ig-platform-id 01 66 00 02/08/09)

 

I have eDP connector and low resolution (1366x768) i believe the problem is capri.kext, if i boot in safe mode this kext not load and not have the black screen problem but i don't have QE/CI injection 

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from chameleon help option.

IntelCapriFB= For Intel HD 4xxx, range 0-11

you need to try value 0-11

 

you also have to have GraphicsEnabler=Yes.

 

if FB is coded in dsdt then that might conflict with the chameleon flags.

you can try booting without dsdt using DSDT=null flag

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I've tried the chameleon flags, and all emlydinesh dsdt, but nothing resolve the problem.

 

Only dsdt 02-08-09 work's, others not boot (i try -x safe mode).

 

2013_12_21_17_35_02.jpg

 

I think the fault is AppleIntelFrameBufferCapri.kext, I tried to change values​​, and what to my surprise it was not the black screen happens, but I do not have QE / CI and graphics are slow.

 

I think the solution is to patch the AppleIntelFrameBufferCapri.kext.

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