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[SOLVED] E6540 since high sierra problems

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I have updated my laptop on high sierra.

Since i have some problems. 

 

If i use Safari all is ok. But if i use firefox the display goes off an on and I have graphics errors.

 

The sleep mode does not work anymore. Only the display is off and i must reboot the laptop.

 

Audio does not work. Both kexte are in L/E AppleHDA_ALC292.kext CodecCommander.kext

 

can someone help me?

 

Archiv.zip

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I have only the intel HD4600 no dual graphics model.

I try it with lilu,  intelgraphicsfixup and shiki but it is the same.

It`s crazy.. When i use safari all is ok, but if i use firefox i have graphics error

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When I use google maps with safari I also have graphic problems

But why does audio not work? Both kexte are in S/L/E AppleHDA_ALC292.kext CodecCommander.kext

post-73263-0-03339100-1518899586_thumb.png

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do you have a proper layout id configured for your audio? also do you have graphics acceleration? what does graphics say for v-ram amount?

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For audio, let's go with another approach. Remove AppleHDA_ALC292.kext

Repair permission and rebuild cache

Mount EFI partition, add Lilu.kext + AppleALC.kext to /E/C/k/Other

Open Config.plist with Clover Configurator, under Devices/Audio Inject, change 1 to 12 and under kextToPatch, disable all the AppleHDA patches except the HDMI stuff.

Reboot and you should have audio hopefully.

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