![sleep timer on macbook air sleep timer on macbook air](https://www.intego.com/mac-security-blog/wp-content/uploads/2021/02/sysinfo-power.jpg)
When you have some lengthy task for your computer to do, it's annoying to have to turn off your screensaver and turn off the sleep timer, only to have to turn it all back on again when you're done.
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Regardless, take a note of what happens and let me know how you went.Jiggler is a little freeware app with one purpose: to keep your Mac awake. This will try and run diagnostics from the internet instead, so you will need to allow more time for it to complete. Note: If pressing and holding the D key at Step 3 doesn't work, start again at Step 1 and, at Step 3 press and hold both the Option D keys instead.
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![sleep timer on macbook air sleep timer on macbook air](https://i.imgur.com/rJUbtXz.png)
Since resetting the SMC didn't resolve this for you, I'd test to see if this still happens when booted into Safe Mode. Turn your Mac back on with the power button.Press at the same time shift option control (on the left side of the bult-in keyboard) and the power button.Keep the MagSafe adapter (power cable) plugged in.To do this on your MacBook Air follow these steps: It may be worth resetting your System Management Controller (SMC) to see if this resolves this behaviour.
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One more edit: Noticed the 10800 here is exactly 3 hours! Is that a coincidence? Does anybody know how to read/change these settings? This is in response to pmset -g System-wide power settings: (wake for wi-fi network access unchecked) prevent computer from sleeping automatically when the display is off slightly dim the display when on battery power 10:23:40 +0200 PM Client Acks Delays to Sleep notifications: Įdit: energy saver preferences on battery: 10:23:12 +0200 Sleep Entering Sleep state due to 'Maintenance Sleep': Using Batt (Charge:81%) 1189 secs 10:23:12 +0200 Kernel Client Acks Delays to Wake notifications: 10:23:12 +0200 DarkWake DarkWake from Deep Idle due to EC.SleepTimer/SleepTimer: Using BATT (Charge:81%) 0 secs 10:23:12 +0200 Assertions PID 173(mDNSResponder) Released MaintenanceWake "mDNSResponder:maintenance" 00:00:00 id:0x0xd0000806d 10:23:12 +0200 Assertions PID 173(mDNSResponder) Created MaintenanceWake "mDNSResponder:maintenance" 00:00:00 id:0x0xd0000806d 10:23:12 +0200 Kernel Client Acks Delays to Sleep notifications: 04:33:58.836023+0100 localhost kernel: (AppleACPIPlatform) Wake reason: EC.LidOpen (User)ĮDIT: using pmset -g log, I got more information on the mysterious wake-ups, which seem to be caused by mDNSResponder. 01:33:44.916848+0100 localhost kernel: (AppleACPIPlatform) Wake reason: EC.SleepTimer (SleepTimer) Log show –style syslog | fgrep "Wake reason" I am not experiencing any negative consequences from this, but wanted to be sure I shouldn't be worried about malware. The mac appears to go immediately back to sleep. The wake reason is given as EC.LidOpen, but in fact, the lid remains closed. My MacBook Air (a few months old) randomly wakes from sleep roughly 3 hours after the lid is closed.