Skip to main content

Questions tagged [reboot]

Rebooting is the process by which a running computer system is restarted, either intentionally or unintentionally.

Filter by
Sorted by
Tagged with
21 votes
2 answers
9k views

How do OS X terminal sessions persist through reboots?

Being an avid Linux user prior to buying a MacBook Pro, I typically have several terminal tabs open at any one time. In the past, crashes and reboots would generally trash my workflow, and the ...
voices's user avatar
  • 2,229
19 votes
1 answer
4k 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.
nonopolarity's user avatar
  • 9,618
13 votes
3 answers
12k views

Rebooting machine with macOS Sierra takes very long time

Since I upgraded my Retina MacBook Pro with macOS Sierra GM (16A319), rebooting the computer takes 20-30 minutes. I select Restart... from the apple menu, everything logs out, then the Mac hangs on a ...
gklka's user avatar
  • 1,930
13 votes
2 answers
3k views

How to perform FileVault authenticated restart when updating OSX from AppStore?

I am aware of the authenticated restart when using FileVault 2 on OS X. Running the fdesetup authrestart command does however restart the system immediately. Now, when running the OS X Update from ...
techraf's user avatar
  • 3,998
10 votes
2 answers
105k views

How to perform hard / cold reboot of iPhone or iPad?

I understand that when I press and release the power button on the top of my iPhone or iPad, it stays on but turns off the screen. Whereas if I press and hold the power button, a "slide to turn off" ...
Chris W. Rea's user avatar
  • 4,419
10 votes
13 answers
170k views

How can I restart an iPhone 4S with a broken lock button and frozen springboard?

My springboard has frozen and the lock button is broken (two months out of warranty and it's not classed as a hardware failure). How do I restart the phone given that I can't access any apps or ...
user43049's user avatar
  • 101
9 votes
2 answers
13k views

How can I make Mac OS X run a program before shutting down?

I am trying to get Mac OS X to save all my VirtualBox VMs when it reboots. I already have a script that does this, but I need OS X to run this script automatically before a reboot. When Mac OS X ...
Andrew J. Brehm's user avatar
9 votes
3 answers
6k views

Rebooting a headless Mac Mini

I have an old Mac Mini on which I installed Ubuntu to be used as a test server. I completely formatted the hard disk before installing ubuntu, installation went fine and everything is working; so far ...
Moataz Elmasry's user avatar
8 votes
1 answer
13k views

How to find what cause Mac OS kernel panic?

For last times i have kernel panics at least once a day. Anyone have suggestions how i can find what cause issue and how to fix it? I have latest Yosemite updates installed. Here is latest Problem ...
jamland's user avatar
  • 183
7 votes
1 answer
18k views

How to know when phone was last rebooted?

Occasionally I get the message about TouchID needing my password after reboot on an iPhone 5s running iOS 8. Problem is, I haven't been rebooting my phone, so the message is confusing to me. So I'm ...
Eddified's user avatar
  • 309
7 votes
1 answer
4k views

How do I know a mac needs to restart?

Is there a way to figure out from a script whether a Mac needs to reboot? A file, the presence or contents of which I could monitor perhaps? I'm looking for an equivalent to the file /var/run/reboot-...
llaurén's user avatar
  • 389
7 votes
2 answers
2k views

Cannot restart, shutdown or log out

I am on 10.14.4, the same thing was happening at least on 10.14.1. Laptop: MacBook Pro (Retina, 15-inch, Mid 2014) So the problem is if I open  "Apple Menu" in top left corner and click any of the ...
ewooycom's user avatar
6 votes
1 answer
843 views

No Reboot on MacPro using a new Samsung 860 EVO SSD

From the standard hard disk I can start, restart, and shutdown with no issues. From the new Samsung EVO 860 I can start and shutdown, but I can NOT restart. It freezes with a black screen. If I remove ...
Myndex's user avatar
  • 169
5 votes
1 answer
1k views

Restart automatically if the computer freezes

There is a new option in the power management system preference to "restart automatically if the computer freezes". How does this work exactly? How can the computer check that it is frozen if it is,...
Thilo's user avatar
  • 5,538
5 votes
4 answers
12k views

How to force a Mac to restart without pressing the power key?

The Finder was not responding, so I control+click'd the Finder icon on the Dock and chose Relaunch… except that it didn't relaunch. Activity Monitor happened to be visible and I could see that it ...
TJ Luoma's user avatar
  • 20.8k
5 votes
2 answers
2k views

How to prevent reopening of all programs after power outage

When shutting down or logging out regularly, there is an option to reopen, or not, all the programs and their respective windows upon logging in again. That option for me is unchecked, and the OS ...
user0721090601's user avatar
5 votes
2 answers
33k views

Resetting PRAM through Terminal

For some reason, my Mac won't let me reset my PRAM in the usual way (by holding the relevant keys down when restarting), simply nothing happens when I try it and my Mac just boots up normally every ...
user avatar
5 votes
5 answers
72k views

-1006F error message when trying to recover mac

my macbook pro crashed and i sent it for repairs.. so the guy installed a new hard drive but then sent it back with a screen having a flashing folder with a question mark.. so i looked at this page ...
abbood's user avatar
  • 2,713
4 votes
1 answer
1k views

How does iMazing reboot/shutdown iPhone remotely?

I was playing arround with iMazing and found out that it can reboot/shutdown my iPhone 6s without it being Jailbroken. Does anyone know what commands it uses and how I could do this myself from my ...
iProgram's user avatar
  • 4,660
4 votes
2 answers
4k views

Reboot from the command line (stuck processes)

I started a remote reboot of my machine but a couple of stuck processes are hanging the reboot. login with SSH is still possible sudo reboot or sudo shutdown -r hang two processes are trying to exit ...
Matteo's user avatar
  • 8,975
3 votes
1 answer
3k views

Why does my iMac reboot every day at the same time?

Every evening around 10:30, my iMac just stops and restarts. It's not a power outage because another iMac next to it (same plug) is not affected. I'm thinking maybe a service that's set to run at ...
Paul A.'s user avatar
  • 61
3 votes
2 answers
4k views

MacBook Pro 16 inch 2019 having kernel panics stating thunderbolt power on failed and now my USB-C Ports don't work unless I reboot

My MacBook Pro 16 inch, manufactured in March 2020 - running Catalina 10.15.4, will reboot randomly at times, citing a kernel panic - the full log is listed below. Moreover, my USB-C ports don't work, ...
Ziping Liu's user avatar
3 votes
2 answers
16k views

Lion: Dock settings revert after logging out or restarting

I'm having problem with my user account in Lion. I want to remove some of the icons in the dock. Every time I sign out the dock will be "restored". Not to factory settings but always to the same ...
MacAttack's user avatar
  • 151
3 votes
1 answer
2k views

Remote dual boot, how to select OS to boot

I'm installing Bootcamp ( Win7 64bit if that matters ) on my Mac Mini, since you need to pick the OS to start up while booting, how can I do this remotely? Example: VNC into OSX, reboot the machine, ...
Phill Pafford's user avatar
3 votes
1 answer
529 views

Shutdown cause -62

As it says in the topic. My machine spontaneously rebooted this morning and all the logs have to show is: Shutdown Cause: -62 Only searches only lead to incomplete or deprecated (pre-OSX) lists of ...
Kris's user avatar
  • 163
3 votes
3 answers
8k views

How to find cause of repeated reboots?

I have been having issues with my mid-2009 Mac Pro ever since I installed Mountain Lion. First it was intermittent kernel panics; I did some research and found that this is an ML bug that's triggered ...
janineanne's user avatar
3 votes
3 answers
468 views

How do I keep my session when I reboot in OS X?

When I reboot my machine, I'd like it to reopen all my programs and windows, and put them back in the same place, after restarting. how do I do this? (I'm on 10.6, and use spaces)
Paul Biggar's user avatar
3 votes
1 answer
697 views

How to permanently disable app relaunch and window restore in Mojave on reboot?

How do I disable both the "relaunch apps after reboot" feature as well as the "reopen windows at relaunch" feature? When I reboot (be it after a hard reset or reboot command) I want to be presented ...
Lucas Szwarcberg's user avatar
3 votes
2 answers
276 views

What takes place during an iPhone hard reset?

In response to an iPhone 7 freezing issue I'm having, it was suggested to try a hard reset (holding power + volume down for 10 seconds for iPhone 7 or holding power + home on older iPhones). This ...
Dolan Antenucci's user avatar
3 votes
1 answer
856 views

Super slow browsing on rMBP until reboot

I've just experienced a couple of days of incredibly slow browsing (using Chrome mostly, but changing browser didn't help) on my home wi-fi. After trying many things like rebooting the router, ...
Steve Bennett's user avatar
3 votes
1 answer
1k views

Operating System becomes unstable after prolonged use

My setup uname -a prints: Darwin Jutsu.local 11.2.0 Darwin Kernel Version 11.2.0: Tue Aug 9 20:54:00 PDT 2011; root:xnu-1699.24.8~1/RELEASE_X86_64 x86_64 Mac OS X Version: 10.7.3 as of this post ...
Sterling Hamilton's user avatar
3 votes
1 answer
354 views

unexpected forced logout on iMac

My iMac 24" is about 3 years old. Specs: 2.66ghz Intel Core 2 Duo / 4gb RAM / OS X 10.6.7 What happens is while I'm in the mid of using the machine, it suddenly goes back to the blue screen and ...
Jin's user avatar
  • 325
3 votes
1 answer
503 views

Mac does not finish rebooting, can't remote connect

I have a Mac Mini, M1, which I use remotely via SSH / VNC. From time to time I need to issues a reboot to the machine. After rebooting however, I am unable to establish an SSH connection as all I get ...
Matt Clark's user avatar
3 votes
0 answers
1k views

MacBook Pro frequently reboots

I'm going to describe the symptoms I'm seeing, diagnostic steps I've taken, then give the hardware configuration below. I would love to have any suggestions on how to fix this, or where to take my ...
Marcin's user avatar
  • 87
2 votes
2 answers
5k views

Can't reboot mac os siera to factory settings

I want to delete everything and restore my MacBook Pro to factory settings. I followed these steps https://www.pcmag.com/how-to/how-to-factory-reset-a-mac deleted disk, and after that tried to ...
Nemus's user avatar
  • 123
2 votes
1 answer
16k views

I cannot activate Setup Assistant Mac OS Catalina 10.15.1

I accidentally deleted my admin account from directory utilities system. Now I'm using my standard account to login, in the system preferences there is no admin account but when I click the lock it ...
Chris Pham's user avatar
2 votes
2 answers
1k views

Triple boot Catalina 10.15.7, windows 10 (not bootcamp but NTFS), Ubuntu 20.10

I am using a 1 TB SSD with a macbook pro 2012 initially split into 2 x 500g: Catalina and Windows 10 NTFS (NON bootcamp partition). To install Ubuntu, I had to use the Catalina partition because the ...
FreshStart's user avatar
2 votes
3 answers
5k views

Can I restart my Mac remotely via screen sharing if the screen shows only linen?

I am currently in Norway. My Mac mini is in my apartment in Australia. I can access screen sharing via Back To My Mac. It connects fine, but the screen has only linen - no menu bar, no dock, no ...
Jon's user avatar
  • 468
2 votes
1 answer
860 views

After two years in storage backup iPhone does not start

Two years ago I had to buy a new iPhone and since I am in area where iPhones are very expensive and hard to get I actually bought two devices -- iPhone Mini 13. Both of them were configured in the ...
zantafio's user avatar
  • 257
2 votes
1 answer
224 views

How can I stop applications from preventing restarts?

I have some applications that routinely prevent restarts from happening correctly (most often iTerm2 and Slack, though others participate as well). When I request a Restart, these applications will ...
JD Huntington's user avatar
2 votes
1 answer
273 views

Apple Watch face blank

I mistakenly unpaired my Apple Watch from my iPhone. Now the voice over on my watch is on, screen curtain is on, but my screen is blank. I don't know which button to press and I have been trying to ...
Bims's user avatar
  • 21
2 votes
1 answer
1k views

How to pesistently configure a Macmini4,1 to boot after power failure?

I do have a Macmini4,1 (2010) and I want to use it as a server so it will always start even after a power failure. Please remind that I am running Ubuntu on it, not OS X. Still, based on what I ...
sorin's user avatar
  • 30.2k
2 votes
1 answer
179 views

"Magic keys" to force a reboot of a hung macOS system via root-level reboot command?

Have had some problems from time to time on macOS 12.x where it hangs indefinitely. I'm working with Apple engineers on a resolution, but I'd like to figure out how to set up a method to send the ...
ylluminate's user avatar
  • 5,461
2 votes
1 answer
3k views

Sierra 10.12.6 incremental update caught in reboot loop

I have automatic updates turned on. This morning I was prompted to reboot in order to install a new (incremental) update. However each time I reboot I get the Apple logo + installation progress bar ...
P i's user avatar
  • 1,785
2 votes
1 answer
971 views

MacBook Pro RAM upgrade causes endless reboot

I recently acquired a MacBook Pro (13-inch, Mid-2010) that has 4GB RAM (2x2GB) and according to Apple, the unit should be able to handle 8GB RAM. I bought 2 DDR3 PC3-8500 4GB from memorystock.com and ...
CatManDEW's user avatar
2 votes
1 answer
1k views

Mac mini (Mid 2011) randomly reboots, but not while I'm using it

Very strange issue here. My Mid '11 Mac Mini (on OS X El Cap, 10.11.6) is randomly rebooting during the day and (mostly) at night when not in use. I will be up in the middle of the night getting some ...
SamAndrew81's user avatar
2 votes
2 answers
1k views

Safari loses web site "login" state after computer restarts

I have a problem with Safari losing my web site login state after a computer restart. For example, if I am logged in to Facebook or StackExchange the before a restart, then after the restart I will be ...
Paulw11's user avatar
  • 201
2 votes
1 answer
379 views

Why My Apple iPhone 5s Rebooted automatically?

I was just using my iPhone 5s and it was in charging mode, but suddenly it re-boot without any specific reason, I am lil worried about it, I am still in warranty period and will you expect me to go to ...
Krishna Parmar's user avatar
2 votes
2 answers
2k views

OSx Mavericks (10.9.1.) randomly restarts

After having updated my macbook pro (mid 2010) and having it run without problems for some month, it now started to randomly reboot when I'm working on something. Resetting the VRAM didn't help. Any ...
moeeeee's user avatar
  • 21
2 votes
1 answer
77 views

2015 Macbook Pro running Catalina keeps restarting while in use

I've had this issue intermittently over the last ~month or two where I'll be doing something on Chrome on my laptop and it will suddenly restart; usually the screen freezes, the audio repeats its last ...
zjs's user avatar
  • 131