Tag Archives: hibernation

How to fix your Mac not waking from sleep

EnergySaverIconXThere may be an issue that some iMac users experience where after being in sleep for a period of time, their systems will no longer respond to keypresses or other input, and even though pressing the power button should similarly wake the system, doing this similarly has no effect. With this problem, affected systems require either the power button be pressed and held for ~10 seconds, or the power cord is pulled to shut the system down and reset it. Continue reading