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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Random shutdowns, Macbook Pro Early 2008

Hi all my Macbook Pro Early 2008 randomly shuts off and leaves this in the console, 2018-03-21 2:11:35.000 PM kernel[0]: Previous shutdown cause: -81 I cannot find any information about -81. I have ...
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1answer
398 views

Shutdown Script in macOS / RAM Disk Backup

I'm attempting to create a shutdown script in macOS (10.11) - that is, a script that runs at shutdown, not a script that shut's down the Mac. The linux "rc" system is not present in macOS. I've ...
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2answers
765 views

Mac Pro (2018) Boot/Update/Shutdown Issues (Blackscreen and “macOs coud not be installed on your computer”

I'm facing multiple Boot/Update/Shutdown issues with my Mac Pro (2018) 1) Mac gets stuck on a black screen while shutting down (no cursor or UI elements visible) 2) Mac doesn't boot on it's system ...
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1answer
136 views

Random shutdowns that look like kernel panic

But with no sign of kernel panic in the console. The screen just turns black all of a sudden, but the backlight stays on. After up to 10 seconds, it shuts down completely. People I talked to over ...
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0answers
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MacBook hangs on shutdown. It shows a progress spinner on black background. (Verbose printout included)

I have a macbook air 1.4 Core i5 with macOS sierra. It hangs every time I shut it down. Thus, I cannot update it to high sierra. Using command+v I was able to screenshot the printout during the ...
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273 views

Is there an index / explanation for Shutdown cause -63 in the system log?

I am using MacBookPro12,1 (early 2015 model) and it restarts randomly without any warning. In the log, I found this: 2017-12-14 20:51:50 Previous shutdown cause: 5 2017-12-15 10:37:31 Previous ...
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0answers
314 views

macOS: How to force hibernate, shut down, and restore

I want to Write the current state of macOS to /private/var/vm/sleepimage immediately before shutting down Power on my Mac again and boot into my Boot Camp Windows partition (by holding opt at boot) ...
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0answers
267 views

Disable Launchd based daemon sudden termination upon shutdown

I'm running my own daemon under macOS Sierra and High-Sierra, and get unexpected behavior upon shutdown. according to the manual of daemon life cycle, it says that ... If the system is being shut ...
3
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1answer
93 views

Shutdown Cause: -102

My mid 2009 15" Macbook Pro (2.53 Ghz) has recently been shutting down at random. Doesn't matter if plugged into battery or not. Terminal has diagnosed the shutdown cause as -102 (there are also a ...
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3answers
8k views

MacBook Pro 15" Retina mid 2014 random shutdowns [duplicate]

My MacBook Pro (15-inch, Retina, Mid 2014, macOS 10.13.1) shuts down randomly. It shuts down suddenly when on battery It shuts down a little more rare when connected to AC It works almost fine when ...
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1answer
234 views

How graceless is shutdown?

Shutting down the machine from the command line with e.g. shutdown -h seems as if it would not be particularly graceful, but on a scale of "Pulling the power cord out of the wall" to "Going through ...
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1answer
427 views

Is it safe to force shutdown a mac while booting?

So I have the 2015 "13 MacBook so I read some articles to update firmware by holding the power button so i tried to try it for fun but I misunderstood the article and I held the power button while my ...
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2answers
1k views

MacBook Pro Retina 15" (Early 2013) randomly shuts down

I've been having issues with my MacBook Pro randomly shutting down for about 2 weeks now. I tried taking it to a local Apple reseller and here's what they told me: The main cause of my problem was ...
3
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1answer
47 views

How do I switch off/shutdown an iPhone with a broken power button?

The title says it all. I have an iPhone 7 with a broken power switch. Just now I needed to switch off my iPhone, but realised I can't because the switch is no good. I did ask Siri to do it for me, but ...
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1k views

MacBook Pro randomly shuts off

After returning home, I'll take my MacBook Pro out of my bag and plug it in. However, it will often be shut off (never occurred before macOS High Sierra). Obviously, this is a chore, but there seems ...
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1answer
1k views

How to fix hang during shutdown of OSX Sierra

My MacBook Pro Retina 15-inch Early 2013, running Sierra 10.12.6 has a long standing issue where everytime I reboot (for many months now), it hangs during shutdown with a spinning icon near end of ...
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2answers
42 views

Reset volume control to 80% before shutdown

I sometimes reduce the volume on my El Capitan while working. I would like to ensure that it returns to, say, 80% before shutdown, in case I forget to do it myself. Any solutions would be most welcome ...
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0answers
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Macbook is not starting up / random shut down

I was working on illustrator and suddenly my laptop went off, and is now failing to boot. Random lines are appearing on my screen as it tries to boot. Below is a link to a video I made of the issue: ...
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4answers
5k 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 ...
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1answer
48 views

iPhone 4s switches back on immediately after switching off?

I dropped my iPhone 4S in a puddle. After a few days in rice everything was fine, except the battery life sucks and as soon as I power the phone off (completely) the apple logo appears and it turns ...
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1answer
5k views

iMac restarts instead of shutting down

I have a problem with my iMac restarting when it should be shutting down. This doesn't happen all the time but appears to happen more frequently when I've had the computer on for a few hours. What ...
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3answers
1k views

Macbook Pro: Hibernate vs Shutdown

I'm using a Macbook Pro late 2011, it has been upgraded with a SSD and 8GB RAM. I was curious as to whether putting my mac on hibernation would extend it's life or I should just shut it down every ...
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1answer
448 views

Screen Artifacts at Shut Down when using scaled display on 15" rMBP mid 2015 running Sierra 10.12.5

I am having an issue on a week old rMBP 15" mid-2015 running Sierra 10.12.5. I use the scaled display option and have noticed that there is a concerning screen artifact that occurs when I shut down ...
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0answers
224 views

MBP (Late 2013 Retina display) is shutting down randomly

I have a late 2013 15 inch MacBook Pro I bought off Amazon used. It has a core i7 2.0 Ghz processor and 16 GB of RAM. It's running Mac OS Sierra 10.12.4. The battery cycle count is 414. The problem ...
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2answers
3k views

Run a script before shutdown [duplicate]

I want to run a script every time when I shutdown my computer. I know this is maybe a duplicate and I really read a lot of similar threads but either the answer isn't working anymore or I don't see ...
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1answer
283 views

Increase the time of the pmset countdown

Is there a way to change the delay time until a scheduled sleep/restart/shutdown occurs? It starts at 10 minutes (10:00), but I want to change it to 30 minutes (30:00). As you can see above, the ...
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1answer
186 views

Shutdown script doesn't work as a cronjob

So I have this script to shutdown Macs after 24 hours runtime. #!/bin/bash my_macs=( Mac1 Mac2 Mac3 ) MAX_UPDAYS=1 CURR_TIME=$(date +%s) MAX_UPTIME=$(( MAX_UPDAYS * 86400 )) ADMINUSER="pcpatch" ...
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2answers
4k views

Random shutdown after minutes for macbook pro 15" 2014

I'm having this problem driving me crazy since some days. My macbook just turns off after around 1 minute of being logged in. I reset completely macOS thinking it would be a Software Issue but ...
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3answers
1k views

Shutdown mac with kill all processes

Is it possible to shutdown/restart the Mac completely (processes-wise)? My problem is that I'm having issues with terminating a service (pkill and kill are not doing the job, I don't know why), and if ...
2
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1answer
825 views

MacBook Pro 7,1 (Mid 2010) 13 inch - Random overheat and shutdown, kernel error

Was using my laptop (MacBook Pro 13 inch, Mid 2010, macOS Sierra 10.12.3) normally as usual during classes. Before the initial overheat and shutdown, while I was carrying the laptop with the lid open, ...
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0answers
63 views

Testing Hardware of MacBook

I have a strange problem Sierra sudden shutdown and WiFi crashlogs. So far I tested the hardware with Apple Hardware Test and some tools for RAM and GPU. None found a problem. Are there some others to ...
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2answers
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2016 MacBook Pro shutdowns when the lid is close with cause 0

My 15-inch 2016 MacBook Pro is now experiencing shutdowns when the lid is closed. Though it is not a crash because I don't get a crash report when I turn the computer back on (unlike the problem I had ...
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4answers
1k views

Sierra sudden shutdown and WiFi crashlogs

I have a very similar problem as outlined here. Several fresh installations of 10.12.3 as well as the beta did not fix the sudden restarts. I'm using a Mid 2014 MacBook Pro Retina with dedicated GPU. ...
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5answers
10k 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 ...
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1answer
7k views

MacBook Pro takes 10 minutes to shutdown [duplicate]

I have a 2016 MacBook Pro 15", running macOS Sierra, which fails to shutdown properly. Originally when I closed all applications and then went to shutdown, it would take less than 10 seconds to ...
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0answers
29 views

Should shut down be logged as “crash”?

Some time ago, I started having minor problems. The "least minor" was that shutdown took more than ten minutes. With an SSD internal and nothing external, this didn't seem right. But when I used '...
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2answers
936 views

How my iMac turned off

I was working, then I received a phone call and left my iMac for a while. macOS Sierra is actually running. I came back about 30 minutes later and found my Mac was turned off. Since there are no ...
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1answer
169 views

Cannot shutdown/restart properly, force-quit fails, wunderlisthelper does not die

Alright, I had another initial post draft written, but then I just found something: wunderlisthelper will not die... kill -9 will cause it to reopen with another pid. I keep hard killing it, and it ...
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2answers
2k views

Does Forced shutdown damage Mac?

Does Forced Shutdown, pushing power button until Mac shuts down, damage hard drive? Or operation system? Can it cause damage to Mac's security so it will get weaker towards malicious things? And if ...
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2answers
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Assemble an Array of Macs to shudown via ssh?

I want to shutdown a few of my Macs remotely via an ssh script. I've got this so far: #!/bin/bash #Array of Mac hostnames separated by spaces my_macs=(mac125 mac122 etc) #Steps through each ...
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2answers
5k views

Mac book pro Sierra does not shutdown - stays idle with a black screen and mouse pointer

I'm having trouble shutting down my MBP early 2015 model(MF839) with retina display. Sierra had been working smooth for almost 2 months and now I'm getting this issue. Once I shut down, the screen ...
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1answer
4k views

Shutdown “no tty present and no askpass program specified”?

I'm trying to run a shutdown script remotely on multiple Macs. The command I use to start it over ssh is: ssh ADMIN@mac123 'bash -s' sudo < ./documents/ShutdownUPTIME.sh Of course it asks me for ...
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1answer
2k views

Shutdown NOT super-user?

I'm trying to shutdown Macs after 24 hours of runtime with this script: #!/bin/bash BOOT_TIME=$(sysctl -n kern.boottime | sed -e 's/.* sec = \([0-9]*\).*/\1/') CURR_TIME=$(date +%s) MAX_UPDAYS=1 #...
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0answers
672 views

Apps will not quit on Mac OS Sierra 2016 MacBook Pro

After getting my brand new 2016 MacBook Pro with Mac OS Sierra, I have noticed that apps such as Chrome, Mail, Spotify, anything really, randomly and intermittently do not shut down when I go to ...
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2answers
152 views

shutdown multiple Macs after a runtime of 24 hours?

Can I shutdown multiple Macs in my office (9-10 Macs) in my office after checking their runtime? I have one Mac, which acts as a Server (with the OS Server application). SSH is also enabled on every ...
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3answers
2k views

I want to power off multiple Macs everyday at 23:30 (11:30 pm)?

I have this problem in my office that multiple Macs always run 24/7 and my boss said that I need to make it stop. Now I don't have much experience with Macs, I'm more the Windows type. I have one ...
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0answers
100 views

Force quit apps on shutdown automatically

When I turn off my Mac if I have iTerm or FreeChat open, my Mac stops its shutdown and tells me that I need to manually quit these apps before shut down. I was wondering if there was a way to have it ...
2
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1answer
817 views

iMac random shutdown

I have recently faced a critical issue with my iMac (since June 2016). The problem showed up after installing OSX El Capitan. It shutdown randomly and suddenly. It's as if the power cord has been ...
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0answers
2k views

Can't log out, shutdown or restart macOS Sierra since the update

Since I have updated the OS to Sierra, I'm facing several issue (one example: Character Accent Menu doesn't appear anymore in macOS Sierra) Another bothering issue that is, I just can't log out. ...
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5answers
8k 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 ...