Questions tagged [sleep-wake]

Putting a device into a low-power mode where only RAM is powered to conserve power at the expense of time to resume operation

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Process causing significant battery drain during sleep (MBP 14)

This process com.apple.dasd:0:com.apple.bluetoooth.CBMetric is causing ~20 percent battery drain while my computer is put on sleep overnight every 15 minutes this is sending a wake request and I can ...
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Suspend to disk

Since installing Big Sur on my MacBook Air 2014, I noticed that suspend to disk doesn't seem to work anymore. Suspend to disk (or Safe Sleep as Apple calls it) should be activated after an hour into ...
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How can I stop a bluetooth keyboard from waking my Macbook Pro?

I use my 2019 MacBook Pro with a Magic Keyboard via Bluetooth. When the MBP is in sleep mode, I can wake it up by pressing a key on the keyboard. I would like to change it so key presses on the Magic ...
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MacBook Pro battery drains to empty while sleeping

I have a MacBook Pro 13" 2020 model and its battery drains to empty while sleeping. I have tried all the suggestions from the internet and even reset the SMC but the issue still persists. I'm not ...
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Automatically lock screen, but do not go to sleep, when lid is closed

In a similar, but not duplicate, vein to Listening to music with MacBooks lid closed, I'd like to be able to listen to music with my 2019 MacBook Pro's lid closed. But I can't accept the compromise of ...
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Keeping a remote disk mounted

I have a website that I maintain mounted locally on a MacBook Pro with Monterey 12.0.1, using MacFUSE and SSHFS.  From time to time, an operation involving a directory there fails with "device ...
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How can I automatically kill sshfs on sleep? [duplicate]

I'm regularly using sshfs to mount a remote filesystem on my MacBook. However, sshfs doesn't survive when I close the lid of the laptop and open it again. Instead, all internet connections are blocked ...
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Escape button, Siri and possibly other features stop working after waking 2021 Macbook Pro

This does not happen every time my Macbook goes to sleep, but sometimes, I find that the escape button and Siri have stopped functioning after waking up. It goes back to normal after restarting. ...
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Inverted colours after waking up from sleep mode

My 2020 MacBook Air M1 shows inverted colours when it wakes up from sleep mode after several hours. I installed macOS Monterey beta 12.1, so I am not sure if the problem is related to that or if it is ...
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Is there a way to disable logout upon pressing the power button?

So I've found that on 2020 MacBooks, pressing the power button instantly brings up the login screen. I find this annoying because occasionally I want to use the power button for something, such as ...
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After restarting MacBook Pro (Apple M1 Pro) external screens don't come out of sleep

Yesterday I set my MacBook Pro to update overnight. Today, I logged in and it continued to install updates for 10 minutes or so. When it woke up again, I logged in via TouchID. Only the internal ...
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2015 13" MacBook Pro Kernel Panics when waking from sleep

For some reason when I wake my Mac from sleep the screen is black and none of the buttons work. Eventually, I get to the "your computer has restarted because of a problem" then I press any ...
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When does a MacBook automatically go into sleep mode?

I've learned about many of power management settings and many apps to take control over it (caffeinate, Amphetamine, etc...) But, when I go into System Preferences → Battery, there are 2 automatic ...
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How to schedule and run a cron/launchctl job that will wake computer if asleep

I have a script that performs a backup of my PhD data using rsync. The rsync is performed between my laptop and a home server I have running. The broad idea here is that I normally use my server to ...
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Why does the system sleep during a disk imaging?

When running hdiutil from a terminal in Recovery, the system will enter sleep, interrupting the imaging process. Recovery then crashes after being woke. This can leave an externally connected HDD ...
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62 views

How to prevent MacOS from sleeping when sound is playing

I have a mac mini (2020) which is connected to an external (Samsung) TV using HDMI cable. If video is playing, the mac mini never goes to sleep - as expected, BUT if only sound is playing it does (e.g....
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Black Screen when waking after short sleep on Macbook Air M1

The issue: My brand new Macbook Air M1 doesn't wake as it should after it went briefly to sleep – reproducable, every time. It shows a completely black screen instead but illuminates the keyboard. ...
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True Tone switches off after standby on external display

When my macbook pro goes on after standby there is no yellow tint on the external monitor and I have do disable and reenable true tone in settings to get it back (there is actually a yellow tint ...
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How to MacBook Pro into a remote "server" for running applications?

I often need a stable development environment that has enough CPU and RAM to handle demanding applications (like Confluent), for personal/hobbie use. I want to be able to access the environment from ...
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Prevent screen from turning off in lock screen

Is it possible to keep the screen on 24/7. I have all the sleep settings set to Never but when I lock the MacBook the screen turns off after a few minutes. I need this because I need to have a remote ...
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118 views

The list of audio input/output devices is empty after waking MacBook Pro M1 from sleep

I'm on a M1 MacBook Pro. For a couple of weeks now, every time I wake the Mac up from sleep, the list of audio devices is empty and shows "No output/input devices found," like so: I can ...
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Macbook Pro automatically boots with closed lid

I have a Macbook Pro 16" 2019 that automatically boots after I shut it down. When I shutdown the macbook as per usual (Apple Icon > Shut Down), and close the lid, it will boot up automatically,...
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Terminal command to "unplug" and replug external monitor

I'm using an old Apple 30" Cinema Display via a series of dongles: Apple Silicon M1 Mac connecting 30" Apple Cinema Display The native resolution is 2560 x 1600 and works great. It may ...
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Big Sur, sleep and networking

M1 MacBook Air, Big Sur 11.6 ... Back on Sierra I could stop network connections from being torn down when I closed the lid; is there a way to achieve this for the current iteration of hardware and OS?...
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Getting macbook to sleep rather than just dim

Macbook Pro mid-2014 MacOS 11.4 Big Sur MacOS appears to have gotten rid of the energy saver preference and relies only on battery settings now. Rather than explicitly stating how long before the ...
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macbook won't go to sleep while in shared connection

I just moved to a new place and don't have any internet connection so I use my phone to share it with my macbook (Big Sur 11.5.2). While sharing it, I noticed that my macbook is not going to sleep ...
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How do I prevent zsh from suspending python script

Someone once told me that zsh is just a different version of bash because of some copyright thing, so I guess I ask this question here. I have a python script that's running in a terminal and for no ...
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Is it necessary to shutdown and unplug the power cord of Mac Mini every night?

I have a Mac mini M1, I usually use it at night, and shutdown it before I go to sleep. I go to work in the morning, and will use the Mac again at the night. After every shutdown, I unplug the power ...
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No display after waking Mac up with external monitor connected

When my 2019 MBP goes to sleep with an external monitor connected and I wake it back up, it frequently shows no display on both the Macbook display and the external display. The touch bar wakes up and ...
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(11.5) Sleep Wake Failure - Hardware or Software?

I just ran into a Sleep Wake Failure on 11.5: Power button pressed during wake transition after 57409 ms. Failure code:: 0x00000000 00000027 ==========================================================...
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How to lengthen the amount of time the display is at half brightness before sleep?

When I leave my 2019 iMac idle, it first dims the display to about half brightness after about 10 minutes, and then turns the display completely off after about another minute. How can I change the ...
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61 views

Reset SMC without Option and Control key

I need to reset SMC on my Macbook Pro 15 2018 to try fix power problems (macbook goes to sleep even though its disabled with sudo pmset -b disablesleep 1). The problem is, I spilled some water on my ...
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Graphic Card Problem?

My Mac Pro 2010, running Sierra 10.12.6, boots but the screen only stays on 2 seconds and goes to black. I can push the power button on the screen monitor off and on and it comes back on for 1 second ...
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115 views

2012 MacBook Pro screen won't wake up from sleep when running Catalina to bigsur(patched sur)

I have a 2012 MacBook Pro 15" Retina. I'm now running Big Sur on it via patched Big Sur. Before that, for a brief time period, it ran Catalina. (I bought it used). The issue I have is when the ...
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CPU usage keeps spiking every ~30s during sleep

I've recently noticed that my MacBook (Pro, 14,1, running 10.14.6) has significant CPU usage while in sleep, with the CPU usage "spiking" roughly every 30 seconds. This causes the MacBook to ...
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diskarbitration is 'Preventing Sleep' how to safely quit this process?

I used quit in Activity Monitor on diskarbitrationd process and it wouldn't quit. I then used force quit and my external hard drive was corrupted. How do I sleep my computer when diskarbitrationd ...
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What does the device name for the Sleep Proxy service mean?

I deployed DNS-SD on my network so I could get rid of Avahi. I'm also setting the most static records I can, it just makes sense since every device is RADIUS-controlled tied to Active Directory, tied ...
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Slack prevents Mac from sleeping

Slack is preventing my Mac from sleeping. I can see this information in the Activity Monitor. How can I disable it? I want my mac to sleep even when Slack is open.
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MacBook Pro Didn't Go to Sleep and did not ask for password

I closed my 2020 M1 MacBook Pro (running Big Sur) at 9:57 p.m. I have my MacBook Pro set to passcode lock after 5 minutes of sleep. I opened my Mac at 10:09 p.m and my MacBook was not asleep/unlocked ...
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Mac drops USB port with Time Machine SSD Card when it sleeps

My Mac (running 10.13.6) constantly drops connectivity with my SSD card (used for Time Machine backups) connected to a USB port when the Mac goes to sleep mode. I then have to unplug the card and ...
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91 views

Terminal starts with 'sleep' command?

My machine has MacOS Big Sur 11.4 with silicon chips. I'm attaching two screenshots here. Whenever I start a new terminal, it appears like this one. . The terminal shows the running process which is '...
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Constant password input and resets on Mac

I got a new MacBook Pro from my job and was pretty excited, but now I try to hold myself from tossing it out the window! It constantly asks me to enter passwords for installing things, keeps signing ...
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Big Sur (Intel) is waking from hibernate automatically, why and how to stop?

Quick Summary pmset -g log | grep -i "wake from" gives the following for "Wake from Hibernate" (full result list bottom): A) Wake from Hibernate [CDNVA] : due to EC.PowerButton/...
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Battery dying every night, question is about Battery Level in settings jumping from 100 -> 0

I am experiencing issues with my 16" MBP dying every night. I have followed several guidelines on how to resolve, including NVRAM reset, SMC reset, trying to figure out if any processes are ...
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127 views

Late 2020 Mac mini, windows keep resizing and moving upon wake from sleep or screen off

I have a Late 2020 Mac mini running whatever the latest 11.x.x is. It's hooked via HDMI directly into a 32" Asus monitor. Whenever I restart - which isn't common - or wake the computer from the ...
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Entering Sleep state due to 'Low Power Sleep': Using AC (Charge:0%) on iMac

My iMac randomly goes to sleep while I'm using resource-intensive apps such as Unreal Engine or Parallels Desktop. If I run pmset -g log | grep "Entering Sleep" I get the following log: 2021-...
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262 views

How do I put individual Mac applications into sleep mode?

When your Mac sleeps, it puts all apps into sleep mode. This disconnects them from the internet and halts processing in order to preserve power when power isn’t needed. I would like to be able to do ...
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How to execute bash/python scripts as soon as device goes to sleep? [duplicate]

I was hoping to write a script that would execute a few commands as soon as I close the lid of my laptop and run them again when I open my laptop. I know I can get the system details with pmset -g, ...
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150 views

Mac M1 Big Sur takes a long time to wake up from sleep

One of the highlights of the M1 Mac is supposed to be instant wakeup. However, I find that after several sleep sessions, it starts taking about 30-60s to wake up from sleep. Unfortunately the ...
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Macbook Pro 15, 2017: Discharges in Sleep mode

My Macbook Pro 15, 2017 loses full charge (from 100% to 0%) during a 9 hr SLEEP duration. Running this: pmset -g Throws the following result: System-wide power settings: Currently in use: lidwake ...

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