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Sleep E5540


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I was able to update the bios from version A01 to version A18 ( the latest for this model).

After a re-install of Max OS 10.12.5 i also got the audio working in the correct way (headphones working, HDMI out working)  by using the appleHDA from the E6440 bootpack like Hervé said (https://osxlatitude.com/index.php?/topic/9914-audio-on-e5540-in-sierra/) in post #6.


So, everything works perfectly !







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