Questions tagged [shutdown]

Refers to shutting down a computer, smartphone, tablet etc. The process of powering down a device such as a computer, smartphone or tablet.

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36
votes
8answers
22k views

Catalina crashing at shutdown: “watchdog timeout: no checkins from watchdogd”

I have an iMac late 2012 with 24GB or RAM and 3 USB disks connected to it, all running time machine in sequence. After updating to catalina, every time I shutdown the system it takes ages to shutdown ...
4
votes
4answers
4k views

Cannot restart Mac, Finder issues in El Capitan

I've been having some issues with an iMac running El Capitan. The issue seems to be Finder. I tried leaving it to shut down by itself overnight to no avail. On occasion I get this message: The ...
0
votes
0answers
11 views

Previous shutdown cause: -59

My MacBook Air (Retina, 13-inch, 2019) keeps on shutting down overnight. When I come to it in the morning and try to turn it on, it takes at least 10 seconds of holding the power button to turn it on. ...
0
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0answers
11 views

Mac battery is not working properly

my lapop just went into shut down at 100%. i plugged it in and powered it on and their is a really loud fan noise and now it wont show battery percent at top of screen and in energy saver it says ...
0
votes
0answers
7 views

MacBook 7,1 randomly shutting down (shutdown cause -102)

I have a MacBook 7,1 (mid 2010) and sometimes it randomly shuts down. This only happens when I am doing something very resource intensive (like gaming). After the shutdown I can use my Mac for "...
1
vote
1answer
35 views

Mac OS disable shutdown prevention when user is logged in

At our office, there are tons of different users who use the same Macs running High Sierra over the course of a day. Unfortunately, sometimes people forget to log out after they've used those ...
1
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0answers
40 views

Iphone X randomly shuts down and keeps restarting and is hard to turn on afterwarss

I have an iphone X for 3 years maybe now (bought it after a few months from release) after a few months from buying it, if i remember correctly in summer, it shut down suddenly and kept restarting ...
135
votes
4answers
457k views

Using The Terminal Command to Shutdown, Restart and Sleep My Mac?

I'm getting more interested in using Terminal as an alternative way to address solutions on my Mac. I have seen this question entitled "Is there a better way to shutdown/restart OSX?". I would ...
0
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0answers
13 views

Macbook Pro Retina (mid-2014) shutdowns with -128 code

I have a Mid 2014 Macbook Pro, which was just serviced at Apple (battery replacement). While they were replacing the battery they cocked up the main board with CPU, RAM etc and replaced that for free. ...
1
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0answers
71 views

Macbook Pro 16" shuts down after a while in sleep mode

I have a 2020 16-inch Macbook Pro running macOS 10.15.5. Recently, it has started shutting down after it's been in sleep mode for a while. This happens quite often and is annoying because I have to ...
3
votes
2answers
7k views

Avoid automatic shutdown

I have a MacBook Pro running Lion. Usually, I need to run tasks that takes hours... so I just leave the laptop working before going to bed. When I wake up, I notice that it tried to shutdown the ...
0
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0answers
29 views

iPhone X shutting down after a few minutes

I have a iPhone X and I have taken good care of it so far, yesterday I was using it when it went pitch black. I pressed the side button until the Apple logo appeared and it worked again. It worked ...
12
votes
4answers
13k views

OSX : Cancel the shutdown sequence

Let's suppose a case where I accidentally start the shutdown sequence of OSX (wrong shortcut, wrong menu item click in the Apple Menu, App asking for a reboot etc.) Is there a way to cancel the ...
2
votes
2answers
617 views

Mac freeze and shutdown randomly

Since months my mac shutdown at random moments , i couldn't find any specific app that made it. Can you guys help me ? = ( Also my mail keep opening randomly , i saw that it's about google calendar ...
0
votes
0answers
19 views

Screen flashes while shutting down

While shutting down MacBook, I got a flash on the screen for really short amount of time, but it's noticeable. Is it normal behaviour or there is something wrong with it? It happens only while ...
0
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0answers
12 views

MBP 2019 automatically turning on when a key is pressed

So basically what happens on my MBP 2019 is that after I turn it off and I press a key, it automatically turns on (when I say turn off I mean shut down). So basically after I accidentally press a key ...
0
votes
0answers
14 views

Can not open various softwares after plugging in an HDMI dummy on my Macbook Pro( mid 2014)

Here is my specs My problem started a long time ago where my Macbook Pro keep randomly shutting down. I searched online and find a solution here I followed the advice of the first answer and ...
1
vote
3answers
11k views

Macbook Air: shutdown on 50% battery

Target machine: MacBook Air, 13-inch, early 2014, MacOS Sierra 10.12.6, used for 4 years very carefully without any problems. Battery has only 70 cycles, condition reported as "Normal", and still ...
19
votes
1answer
3k views

Does the command `reboot` hurt a Mac computer?

Does the command reboot (used in Terminal) hurt the computer? Because it is almost like pulling the power cord, which is not a recommended way to power down a computer.
1
vote
1answer
59 views

Macbook Pro keeps shutting down even when magsafe is plugged [duplicate]

I have MacBook Pro Retina Mid 2014 with Catalina installed. Initially my Mac is randomly shut down and later it shutdown every time I logged on to the Mac. It will display the desktop for a few ...
0
votes
0answers
50 views

Apple Macbook Pro Mid 2014 - 15" - Random Shutdown

I am facing a random shutdown on my Apple Macbook Pro Mid 2014 - 15" laptop. I am using Mojave and I already deleted this extension AppleThunderboltNHI.kext. Today after random shut down I get this ...
2
votes
1answer
18 views

Reduce output volume on shutdown [duplicate]

Running Mojave 10.14.6. I'd like to alter my output volume upon shutdown, so that it when it starts it's always at the same volume (20%). This would make the "DAHHH!" sound more pleasant, but it's ...
8
votes
6answers
12k views

Why does my laptop shut down overnight?

Whenever I leave my MacBook Pro (Retina, 13-inch, Early 2015) unattended (plugged in, or not) overnight (or for long periods of time) it shuts down by itself. When I open the lid it boots up to the ...
2
votes
1answer
33 views

Is it safe to leave the iMac turned off for months at a time?

Is it safe to leave your iMac turned off for months at a time? I haven’t used it for a while, and won’t be using it for some time while in lockdown. Will it be ok performance wise? Thanks
3
votes
2answers
8k views

Mac on High Sierra won't shutdown cleanly: black screen with mouse

Similar to issue "mac book pro sierra does not shutdown stays idle with a black screen and mouse". Apple logo > Shutdown leads to black screen with mouse cursor. Stays like that for hours. Realized ...
5
votes
3answers
7k views

Mac does not automatically restart when power is re-applied after `shutdown -hu now`

I want to have a Mac Mini automatically boot when power is applied, as I cannot conveniently reach its power button, because it resides inside an art installation, where the power will be shut down ...
0
votes
0answers
8 views

MacBook Pro 13-inch, Late 2013, shuts down as soon as it gets to lock screen

I've been using my macbook for a long time without disconnecting the charger and usually put on the sleep mode instead of shutting it down. One day randomly it shut down out of nowhere and wouldn't ...
0
votes
0answers
21 views

2008 Mac Pro 3,1 freezes upon adding USB devices

On my 2008 Mac Pro 3,1 it will turn off and have to be restarted when adding a usb ext drive. It has even turned off when plugging in a wired Apple mouse as well. It does this in either front or ...
10
votes
5answers
11k views

MacBook Pro black screens and shuts off after a few minutes' use

I have a MacBook Pro 15" (mid 2014, running Sierra). Recently, it has started black screening and shutting off shortly after, after a few minutes' use—let's say 3 to 10 minutes. The screen will go ...
2
votes
1answer
85 views

Shutdown and ASD errors on late 2013 15" Retina Macbook Pro

My Late 2013 Retina MBP is shutting down randomly. It gets a blank screen, and the keyboard is lit up for about 10 seconds, and then it powers down. There is no kernel panic, and nothing in the logs ...
0
votes
1answer
56 views

Can't relaunch/use finder on a 2019 MacBook Pro

The finder app on my new 2019 MacBook Pro is unresponsive and if I relaunch it then nothing happens. It's a newer MacBook and thus the power button is the touch ID button. I tried to power off the ...
3
votes
1answer
705 views

MacBook battery drains SIGNIFICANTLY after shut down

experts! I really hope to solve this problem as it has been drilling me for weeks now. I have a MacBook Pro 13" (2018 with Touch Bar), the A1989 model. When I shut down my Mac, the Mac shut down ...
18
votes
9answers
35k views

Is shutting down an iMac or Mac mini really necessary?

In today's age with low power standby modes & the advanced OS X that is Mountain Lion, it is simpler than ever to go for long periods (perhaps months) without shutting down your iMac (and possibly ...
0
votes
0answers
68 views

MacOS Catalina opens apps on launch even though all settings are set not to

Recently my Macbook Pro has begun to open the most recently used apps on launch even though I have done the following: Closed every app before shutting down Unchecked the "Reopen windows when logging ...
0
votes
0answers
18 views

Shutdown Cause -20 after dropping my MacBook [duplicate]

I dropped my MacBook Pro 13" 2019. The Touch Bar is not working. The computer is restarting after 3-5 minutes. log show reports the shutdown cause is -20. What could be the problem and solution?
1
vote
1answer
105 views

Battery drains too fast when device is Shut Down

When I bought my brand new Macbook, it was like 9-months old (according to battery production date) and still had almost 40% charge on first turn on. But after that, every time I charge my Macbook (...
2
votes
1answer
1k views

Mac automatically restarts after shutdown

I was using Win 10 on my 2017 21.5" iMac before, but formatted it and installed Mac Mojave again. Here format means I've formatted the data disk as well as system disk, merged all partitions and make ...
1
vote
0answers
65 views

Change chmod from /sbin/shutdown

I'd like to change the rights of the shutdown executable from 751 to 750, because I'd like non-admin users to have no right to shutdown their Macs. Except I have the chmod error: Unable to change file ...
1
vote
2answers
914 views

iMac with bootcamp windows 10 reboots 3 seconds after shutdown (no fastboot, no wol)

Hello I recently purchased iMac so I tried to set up things so that I can remove my old windows desktop away and still be able to use both Mac OS and Windows If I shutdown from Windows, it boots up ...
1
vote
1answer
54 views

My MacBook Air suddenly shut down today, is there an easy way to find the associated log entry?

My old 2012 MacBook air suddenly shut down. I had the battery recently replaced by a non-Apple shop since Apple has already obsoleted this model. The battery was somewhere between 60% and 80% when ...
5
votes
6answers
9k views

macOS Sierra: How do you enable shutdown keyboard shortcut (Ctrl + Opt + Cmd + Power)?

After upgrading to macOS Sierra yesterday, I notice that the system keyboard shortcut to shut down the computer no longer works. As documented here, before the upgrade you could shut down the ...
4
votes
0answers
993 views

macOS Catalina crashing everytime

I have a 15" mid-2015 Retina MacBook Pro with 16 GB RAM. After doing a clean install for macOS Catalina, my RMBP always freezes and after a couple of seconds, it shows kernel panic message and ...
1
vote
2answers
136 views

Mac mini not autobooting after “dirty” shutdown

This Mac mini is intended to run as a kiosk, but a daily sleep/wake cycle is proving problematic with some USB devices. My plan was to use the "dirty" shutdown from the commands line to simulate a ...
2
votes
0answers
86 views

How can I cleanly start and stop VirtualBox VMs using launchd?

Does anyone have a working macOS 10.15, Catalina, shell script for cleanly starting/stopping VirtualBox VMs using launchd? It seems macOS 10.15 has broken the standard solutions you find when ...
1
vote
1answer
44 views

iPhone will suddenly shut down repeatedly unless charged

I've had my previously-owned iPhone 5 for almost a year now and a few days ago it started to act strange. First, while charging it says it's 47%. It suddenly shuts down and then it shows that it's ...
0
votes
1answer
26 views

How can avoid to open the apps that I was using on my last session when I start the Mac?

Since I update my Mac to Catalina version, every time that I will start it, it opens the apps that I was using last time before to shutdown it. On Mojave version Mac asks me if I prefer to launch the ...
0
votes
0answers
23 views

Mac randomly tries to restart

I have a MacBook Air (13-inch, Mid 2012) running Catalina 10.15. It is quite temperamental. Occasionally I can work for a day with no issues. At other points it will randomly restart, which takes one ...
1
vote
0answers
323 views

kernel: (AppleSMC) Previous shutdown cause: -6

I have a MacBook pro retina 13-inch, early 2015. A couple of months ago I got the "service battery notification", now my MacBook is turning off randomly, sometimes repeatedly in a short period of ...
2
votes
1answer
44 views

iPhone to make a sound when it shuts down due to low battery

Is there a way to have the iPhone make a sound just before it goes to sleep due to low battery (i.e. when battery goes from 1% to 0%)?
2
votes
1answer
41 views

How do I get shutdown codes using terminal in macOS

How can I use Terminal to get my shutdown codes, going back to the weekend? I'm on Mojave 10.14.6

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