

Disables TCP Keep Alive mechanism to prevent wake ups every 2 hours.Disables wake from iPhone/Watch: Specifically when your iPhone or Apple Watch come near, the machine will wake.Disables standby: Used as a time period between sleep and going into hibernation.Disables powernap: Used to periodically wake the machine for network, and updates(but not the display).Disables autopoweroff: This is a form of hibernation.Generally these cards will have a physical switch, allowing you to choose a low power VBIOSīefore we get in too deep, we'll want to first ready our system:.OEMs commonly push a card a bit too far with their custom VBIOS.Even bad/mismatched timings can cause serious issues.Bad RAM(Both overclocks and mismatched RAM).AVX often breaks iGPUs and hurt overall stability.Problems arise when such devices don't cooperate with the drivers and the main offenders of these issues are:Īnd there are others that can cause sleep issues that aren't directly(or obviously) related to PCI/e:Īnd something many people forget are over and under-clocks: The reason for this is when devices get an S3 call(or S0 for wake), the driver needs to power down the devices and put into a low state mode(vice versa when waking). Incorrectly managed devices(most commonly PCIe based devices).So to understand how to fix sleep issues in macOS, we need to first look at what contributes to sleep issues most of the time:
