Lost-Entrepreneur439 Posted 10 hours ago Share Posted 10 hours ago I have a Dell Precision T1700 which I installed Big Sur on. Whenever I try to wake it from sleep, I get a Sleep Wake failure in EFI panic. Everything I can find online says this is a power management issue, but my IOReg suggests my power management is working. Anyone know how to fix this? System hardware is in my signature. config.plist and panic log are attached. config.plist panic log.diag 1 Link to comment https://www.insanelymac.com/forum/topic/362993-sleep-wake-failure-in-efi-panic-when-waking-from-sleep-but-power-management-is-working/ Share on other sites More sharing options...
deeveedee Posted 6 hours ago Share Posted 6 hours ago Still waiting for you to provide your status updates in the other two threads you started: Radeon HD 5450: acceleration possible in High Sierra? E6400/El Capitan: panics with seemingly a one line kernel panic Link to comment https://www.insanelymac.com/forum/topic/362993-sleep-wake-failure-in-efi-panic-when-waking-from-sleep-but-power-management-is-working/#findComment-2852122 Share on other sites More sharing options...
Lost-Entrepreneur439 Posted 1 hour ago Author Share Posted 1 hour ago 5 hours ago, deeveedee said: Still waiting for you to provide your status updates in the other two threads you started: Radeon HD 5450: acceleration possible in High Sierra? E6400/El Capitan: panics with seemingly a one line kernel panic I did provide an update in the 5450 one. Not sure why my comment didn't go through. I just tried to post it again. E6400 was given to a friend who needed a laptop, hence why no updates. Link to comment https://www.insanelymac.com/forum/topic/362993-sleep-wake-failure-in-efi-panic-when-waking-from-sleep-but-power-management-is-working/#findComment-2852126 Share on other sites More sharing options...
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