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e6410 dell can't reach sleep, hangs before sleep, how debug?

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Installed Sierra 10.12.6 on my E6410 with Nvidia 3100m and arrandale i5. 


Have been debugging DSDT lately.


Under Windows 10 the machine sleeps with blinking light and wakes correctly.


Problem is that under Sierra 10.12.6 it goes to sleep WITHOUT blinking light and can be only waked up

by pressing the power button 10 seconds (power off) followed by cold start by power press.


Did put debug statements in dsdt attached, but never see _PTS, it hangs beforehand?

Is there any way to debug what's happening after choosing Sleep upto _PTS?


Any hints are appreciated, regards,


Itswworking2 (not really)



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