Set a daily schedule for putting your Mac to sleep or turning it off and on. Start up your Mac after a power interruption. Start up automatically after a power failure Symptoms: 'Still waiting for root device' - NO sign saveboot works (holding right shift on boot) Solution: After trying everything, Disk utility (on safeboot, on install disk, on another mac) DiskWarrior (on safeboot, on bootdvd, on anothert mac) fsck (even advanced options) pram reset. Keeps the computer from going to sleep when the display sleeps. Prevent computer from sleeping automatically when the display is off Puts the hard drive to sleep whenever the computer is inactive.Įven in sleep mode, wakes to provide access to shared resources, such as shared printers or Music playlists.Ĭhecks for email, calendar, and other iCloud updates while sleeping on battery power.Īllow power button to put computer to sleepĪllows you to press the power button to put your computer to sleep. “Computer sleep” and “Display sleep” slidersĭrag the slider to set the amount of time your computer or display should wait before going to sleep. You see the UPS button only if your Mac is connected to an uninterruptible power source. Your Mac uses those options when it’s getting power from that source. V2 to unlock your Xiaomi smartphone without any waiting period. Click either the Power Adapter pane or the UPS pane, then select energy-saving options for that power source. OnePlus 8T ASUS ROG Phone 3 Huawei Mate 40 Pro Xiaomi Redmi 9 Realme X2 Pro Galaxy S21+.