refers to shutting down the computer, the process of powering down the computer

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+100

My Mac prompts to shut down randomly

Somewhere between every one and ten minutes, my MacBook Pro prompts the shut down dialog box or even starts to sleep. This is what I get in the console. It really looks as if I've pressed the ...
3
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0answers
44 views

Random Kernel Panics with Shutdown Cause: -64

I'm using Retina Macbook Pro 15inch (OS X El Capitan 10.11.5) and getting random kernel panics frequently since March 2016. (1 or 2 times a day or more) This is a company laptop and bought in October ...
2
votes
3answers
3k views

27" iMac (fall of 2010) won't shut down

Whenever I try to shut down my iMac (3.2 GHz Intel Core i3, running 10.7.3), it closes out all programs, goes to the gray screen with the spinning ball and just hangs there. This occurs in restart or ...
0
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0answers
9 views

iPad mini won't boot

My iPad Mini's battery was drained and I tried to charge it. When I came back I tried to open it but neither the apple logo and charging sign appeared. I tried to press and hold the home and reset ...
0
votes
2answers
5k views

My mac is rebooting everytime I login

I have downloaded these apps to conveniently shutdown or restart my MAC from spotlight. Usually I used the shutdown app which worked great. Today I used the restart app. Since then my MAC is ...
14
votes
7answers
26k views

How can I forcibly shut down my Mac at an appointed time?

I'm looking for an auto shutdown app that will forcefully shut down the computer at an appointed time. The most important part of this is that the shutdown should not be cancelable (unless the ...
0
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0answers
12 views

Empty Recovered files folder after shut down

A few weeks ago, I started noticing that every time I turn on my MacBook Pro, I get an empty "Recovered Files" folder in the trash. I have read online that this happens when an app is not completely ...
0
votes
1answer
49 views

NO LOGINS: System going down … stuck and won't shutdown

I issued a remote SSH shutdown command to a headless Mac server. However, the server is not shutting down and I can no longer access the server with SSH, I get this message: NO LOGINS: System ...
0
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1answer
28 views

Clean shutdown/restart from terminal in 10.7+

I have a headless system that is controlled remotely that I need to shutdown/restart in an automated way (without the use of VNC or local keyboard/mouse). Using various commands via SSH or via my ...
-3
votes
1answer
146 views

help me !! my computer is having kernel panics and i don't know how to stop them?

My computer is a Macbook Pro 13 inch from early 2014. In October of 2015 my computer started crashing. I sent it to an Apple Center to see if they could fix it. They changed a lot of things, hardware, ...
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5answers
7k views

MacBook Pro (13-inch, Mid 2010) shuts down unexpectedly

My wife's MacBook Pro has begun shutting down unexpectedly, at seemingly random intervals. This started occurring after I (very carefully) upgraded the machine from 4 GB to 8 GB of RAM and replaced ...
1
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2answers
92 views

How would I identify what's causing my Mac to permanently hang on shutdown?

Whenever I try to shutdown or reboot my Mac (Macbook Pro 15" Retina late 2013, OS X 10.11.3) it closes all programs like normal and then it goes into that black screen with the progress bar. When it ...
-1
votes
2answers
105 views

When Mac OS freezes is it ok to hard shutdown?

I have a MacBook Pro Retina, so it has an SSD but no HDD. I use Dr. Cleaner and I've often noticed that when 99% of the app memory is being used, the OS X El Capitan freezes. At this point of time, ...
2
votes
1answer
5k views

Can't install El Capitan update 10.11.3 because can't restart normally

I've got the typical problem that OSX can't shutdown/restart normally. I'm on El Capitan but it happened in the past with Mavericks etc. Don't know why they can't fix this... Anyway, now I want to ...
7
votes
5answers
84k views

How often should one shutdown a Macbook instead of just closing the lid?

I have found contradictory opinions on this. Some say Windows users tend to shut down but that it is not necessary, and I tend to do that too. Others say it is preferable to shut down, as it does not ...
0
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0answers
50 views

Tracking down hard shutdown cause—software? hardware? overheat?

I'm running Mac OS X 10.7.4 on a 15-inch, early 2011 MacBook Pro. I've had the Mac crash a few times in the last couple months, all attributable to letting it discharge (careless me!) except for the ...
4
votes
2answers
3k views

iMac randomly shuts down

We have a late 2012 27 inch iMac. It has a 2.9 GHz i5 processor and a 1 TB fusion drive along with 8 GB of RAM. I recently upgraded it to El Capitan. A couple of months ago it randomly started to not ...
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0answers
21 views

Mac is off with no record of it being off?

I use my Mac Mini as a server and recently I came to find it turned off. I never turned it off so this seems a bit odd. I'm not sure of the date but I know it happened between 3/3/16 - 3/4/16 The ...
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0answers
61 views

Sudden, auto-shutdown while in sleep: where to look for the culprit?

My MacBook has been brutally shutting down by itself while in sleep. It always happens a few hours after shutting down the lid, right when switching to the StandBy sleep mode, right at the following ...
1
vote
1answer
81 views

2008 Mac Pro Won't Shut Down (Black Screen - Gray Loading Wheel)

One of our Mac Pros at work is having issues shutting down. On shut down, the screen will turn black and a small gray loading wheel will come up in the center of the screen. It will stay like this no ...
0
votes
0answers
46 views

Run Script at Shutdown

Is no way to run a shell script immediately before system is switched off? What I found via google was just to use rc.local.shutdown or so, but it seems that this function was kicked out on previous ...
0
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0answers
51 views

MBP failing at shutdown/restart with shutdown cause -62

My MacBook Pro (Mid 2012, 13in) fails to shutdown/restart sometimes. When I initiate shutdown/restart process from the Apple menu, sometimes it gets stuck at a black screen with a mouse pointer that ...
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0answers
54 views

MacBook Retina 13 inch , Random shutdown

Details early 2014 Macbook Retina Pro When im on my macbook it just randomly shuts down out of nowhere a couple minutes in, ive tried resetting the pram and smc.Sometimes it will shutdown during ...
1
vote
1answer
265 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 ...
3
votes
3answers
6k views

MacBook shut down at 20% battery with no warning?

My 2013 13" MacBook Retina (OS X 10.10.3, Yosemite) shuts down when I have about 20 minutes of battery left. Not sleep, full shut down. It does this with no warning at all. I seem to remember ...
0
votes
2answers
66 views

What is the difference between -h, -r, -s, and -k, in the “shutdown now” command in single-user mode?

So, I opened up single-user mode to show my friend how easy it was for a Mac to be directly hijacked if someone was able to steal the physical lap top (as opposed to hijacking remotely using SSH), and ...
0
votes
1answer
99 views

MacBook Pro 11,2 (Retina 2014) shuts down suddenly

My MacBook Pro 11,2 (Retina 2014) shuts down suddenly from time to time. When I run macbook again, I inspect the log file I see the following message: Previous shutdown cause: -128 Sometime, ...
3
votes
3answers
201 views

Automatic shutdown hindered by sleep mode

I have an iMac (late 2009 model) running Yosemite. Recently, I have set up automatic shutdown in the Energy Saver settings under System Preferences. However, if my computer goes into sleep mode before ...
38
votes
3answers
191k 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 ...
2
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1answer
53 views
3
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1answer
98 views

Problem on shutdown MacBookPro 11.3

My problem is about my MacBookPro 11.3 (2,6 GHz Intel Core i7, 16 GB DDR3 a 1600 MHz, NVIDIA GeForce GT 750M 2048 MB). Since I updated to ElCapitan (actually 10.11.1 (15B42)), when I shutdown the ...
7
votes
4answers
18k views

Are OS X shutdown cause and sleep cause numbers listed/explained anywhere?

The numbers in which I'm most interested -2 0 3 5 … I might add to that shortlist. What do those numbers mean; where might we find authoritative explanations? Somewhere in Apple open source, ...
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1answer
1k views

iMac sounds like it's starting up then shutting down immediately

I have an iMac. Since yesterday, it has been making sounds where it seems like a hard drive is starting up then shutting down immediately. However, that can't be possible of course because the ...
2
votes
1answer
1k views

What is shutdown cause -60?

Since installing Mavericks on my 2010 MBP, it seems to be giving me the spinning beach ball often. I think I may need a new HDD, as Disk Utility cannot repair it, but I also get this error: Nov 21 ...
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0answers
45 views

“Force Quit” dialog won't close

A Parallels 11 virtual machine running El Capitan as the guest OS ran out of disk space. Apparently I had a runaway app eating up memory, which overloaded virtual memory in Mac OS X, and virtual ...
0
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0answers
307 views

Can anyone help me with this kernel panic? (IMMEDIATE ungraceful shut down on “restart”)

Any help is appreciated, thanks in advance! :) (OS version is 10.11.0 - I can't upgrade to 10.11.1 without a graceful restart. ouch.) Panic Report Anonymous UUID: <snip> Mon Nov 9 18:48:26 ...
0
votes
1answer
59 views

How to get previous shutdown cause?

I try to get previous shutdown cause and when it happened but i don't know correct syntax. syslog -k Sender kernel ??? I need to get date and time in start of the row and shutdown cause number in ...
1
vote
2answers
12k views

Macbook Pro won't shut down

I recently bought the 13"Macbook Pro retina (mid 2014). When I try to shut the laptop down, it doesn't work. I tried by manually closing all open applications but nothing happens when I press Apple ...
0
votes
2answers
131 views

How to restart or shutdown a Mac when it says app running but cannot force quit the app?

I have a Macbook Air running Yosemite 10.10.4, and I am trying to either to restart or shutdown this Mac. But it will say the app VLC Player is running, but if I right click the VLC icon at the ...
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0answers
487 views

El Capitan - Macbook won't shut down without force quit and sometimes starts to blank screen

• My mid-2015 Macbook Pro Running 10.11.1 frequently will not shut down without holding the power button. • It also sometimes starts up to a blank screen (with no apps or desktop items showing). • ...
1
vote
1answer
184 views

Kernel Panic - Random Shutdown - Please Help

Recently (the last three day) my late 2013 iMac has been suffering from kernel panics. After reboot, console shows a 'Previous shutdown cause: -62'. Can someone please tell me what this means. The ...
0
votes
0answers
70 views

Macbook Pro 17" mid-2009 restarts immediately after shutdown

Requires a small amount of backstory: I have a mid-2009 17" Macbook Pro (machine A). Something recently died in it and it was becoming increasingly difficult to use. A friend gave me his identical ...
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votes
6answers
1k views

Disable OS X Server's shutdown prompt?

I've just installed OS X Server. Whenever I try to shut it down (as a local interactive user), I keep seeing a prompt that requires me to enter an admin's name and password before proceeding with the ...
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votes
2answers
2k 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 ...
9
votes
3answers
315 views

Harmful to never put to sleep / shut down a mac?

Is it harmful for a mac in any way to never put it to sleep, or to turn it off? I have a macbook air and an iMac that I set to never sleep in the settings. Only the displays go to sleep. I turn them ...
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vote
3answers
17k views

Yosemite (> 10.10.x) randomly freezes and crashes on my MacBook Pro 15" Early 2011

I already had a similar problem before and after more than two years of struggling (I had this problem long since the Yosemite) I am still being daily annoyed by the same problem.: Is this crash ...
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votes
2answers
2k views

PostgreSQL causing slow shutdowns with OS X Server in Mavericks

I've found that on OS X Server in Mavericks, the PostgreSQL processes are causing shutdown delays. During a verbose shutdown, I get the following (shortened) output: com.apple.launchd ...
0
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1answer
49 views

Confirm Unmounting/Ejection of Drive During Shutdown in Logs for Yosemite 10.10.4

I shut down my laptop today on my way out of the house, which had a drive connected via USB. I was wondering if there is a way to confirm that the drive was successfully unmounted/ejected during the ...
3
votes
1answer
180 views

What is the difference between shutdown command and doing shutdown from apple menu?

What is the difference between issuing command shutdown -h now in terminal and doing Shutdown from apple menu? Using command it's instantly power down the system. But via menu it takes around 30-40 ...
0
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1answer
87 views

Macbook Pro (mid 2010) shutting down upon boot up

Here is my question. My macbook pro has been acting crazy for a while, shutting down unexpectedly daily. Every once in a while it will work for a day or two but eventually will start shutting down ...