Hello, Just got a 2012 13" Macbook Air loaded from the apple store and used migration assistant to transfer from my old Macbook Pro. Afterwards I noticed safesleep had been installed and I'm worried it changed my pm settings such that I won't get the extreme standby time of the air (switching to standby after an hour of sleep). Could someone please run pmset -g on a 2012 in both battery and AC mode, and paste in the default settings for me to compare? I reset PRAM+SMC and pmset -g shows the following, just want to confirm thats the same as someone who hasn't messed with it katmeefs-Macbook-Air:Library katmeef$ pmset -g Active Profiles: Battery Power -1* AC Power -1 Currently in use: standbydelay 4200 standby 0 halfdim 1 panicrestart 157680000 hibernatefile /var/vm/sleepimage disksleep 10 sleep 10 hibernatemode 0 ttyskeepawake 1 displaysleep 2 acwake 0 lidwake 1 katmeefs-Macbook-Air:Library katmeef$ **connected power katmeefs-Macbook-Air:Library katmeef$ pmset -g Active Profiles: Battery Power -1 AC Power -1* Currently in use: standbydelay 4200 standby 0 womp 1 halfdim 1 panicrestart 157680000 hibernatefile /var/vm/sleepimage networkoversleep 0 disksleep 10 sleep 10 hibernatemode 0 ttyskeepawake 1 displaysleep 10 acwake 0 lidwake 1 katmeefs-Macbook-Air:Library katmeef$ Thanks, Matt *update* Hi, Think I've got the defaults back by deleting /Library/Preferences/SystemConfiguration/com.apple.PowerManagement.plist (following advice at https://discussions.apple.com/thread/2422000?start=0&tstart=0 ) and rebooting, am now seeing standby mode at 1: katmeefs-Macbook-Air:Library katmeef$ pmset -g Active Profiles: Battery Power 1* AC Power 2 Currently in use: standbydelay 4200 standby 1 halfdim 1 panicrestart 157680000 hibernatefile /var/vm/sleepimage disksleep 10 sleep 10 hibernatemode 3 ttyskeepawake 1 displaysleep 2 acwake 0 lidwake 1 katmeefs-Macbook-Air:Library katmeef$ **connected power katmeefs-Macbook-Air:Library katmeef$ pmset -g Active Profiles: Battery Power 1 AC Power 2* Currently in use: standbydelay 4200 standby 1 womp 1 halfdim 1 panicrestart 157680000 hibernatefile /var/vm/sleepimage networkoversleep 0 disksleep 10 sleep 10 hibernatemode 3 ttyskeepawake 1 displaysleep 10 acwake 0 lidwake 1 katmeefs-Macbook-Air:Library katmeef$ Thanks, Matt