Questions tagged [reboot]

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

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HDMI KVM which is working with a Mac Mini M2 and 4k monitors - also sleep and reboot

After I have used a Aten CS1924 KVM for DP for years between my PC and MBP without any issue, the introduction of a Mac Mini M2 renders my setup unusable. On reboot, the Mini doesn't detect the ...
andreas's user avatar
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1 answer
416 views

How to prevent iPhone from shutting down overnight (without replacing the battery)

I have been dealing with an issue for a few months now and I have debugged it enough to be pretty confident that I know the cause. The problem: Occasionally, my 8am personal automation does not run. ...
hepcat72's user avatar
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Can't power off my Macbook, it turns itself right back on

I tried to reinstall my Macbook, so I rebooted it into recovery mode and cleared my disk. I then rebooted, at which point it prompted me to connect to Wi-Fi for "Remote Recovery". I've been ...
Hubro's user avatar
  • 250
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Need Boot Manager at startup every time. (old question, new problem)

I need the boot manager at startup every time. I have a 2014 mini with 2 bootable partitions. Yosemite on one and Catalina on the other. Obviously, need to run legacy software. When running Yosemite, ...
George Jackson's user avatar
1 vote
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455 views

What's the best way to reboot a Mac that has crashed remotely (via SSH)? "shutdown -r now" or "sudo reboot" or?

For example, I often end up with a situation were I'm logged in over Apple Remote Desktop (Teamviewer etc.) and the computer crashes...ARD says reconnecting, but doesn't... However, I can nearly ...
simcc's user avatar
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2 votes
1 answer
173 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
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Cannot turn off my Macbook Pro (always reboot)

My Macbook Pro 2020 cannot be turned off. If I shut it down normally, smoothly, it will reboot 5 seconds after being off. Even if I hold the power button for 10 seconds, it shuts down but immediately ...
Binary Brain's user avatar
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Open GUI App after reboot with cron

I'm using Mac OS Catalina 10.15.7 and I'd like to open some apps after boot with a cron tab. I use the following cron tab: @reboot /bin/bash /Users/x/script.sh if I run the script, it works as I want ...
mrbolichi's user avatar
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1 answer
175 views

Mojave suddenly restarts after running VMware Horizon Client for a few minutes

I am currently on macOS Mojave. After the system boots up, I use VMware Horizon Client for Mac application to connect to a virtual Desktop (VD) for work. After using VMware Horizon Client for a few ...
Nitz's user avatar
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iMac [2012] crashed while update to iso Catalina

Try to update my 2012 iMac to Catalina, unluckily it crashed during updated. it crashed after it already downloaded the new iso. Try to switch on and it goes to white screen and seem the mac is still ...
Kirk's user avatar
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3 votes
1 answer
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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
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64 views

Mac won't won't boot up after trying to update latest OS [duplicate]

Mac won't won't boot up after trying to update to the latest OS, when rebooting in recovery mode, the utilities option to reinstall the OS shows that there's not enough space to update the OS, but I ...
val-60's user avatar
  • 11
1 vote
2 answers
411 views

I put a magnet over my MacBook Pro 2011

I have put a magnet over my laptop and I got the error with the file with a ? on it. I don't have a Time Machine backup or anything. I am not able to reset the Mac and I can't reinstall macOS as it ...
Forwarded Mail's user avatar
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1 answer
426 views

Ways to find out uptime of Apple Watch?

Having to enter a PIN code could possibly mean that wristband wasn't tight enough. Or Apple Watch booted. That question could be easy to answer had Apple provided uptime information directly. Alas, ...
poige's user avatar
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No disk visible when installing OS x Mavericks

I wiped my Macbook Air and am trying to reinstall the OS. I had Sierra. When I install, there is a message stating I do not have prebooted APFS volumes. But when I try to install OS X Mavericks from ...
Julia Karmo's user avatar
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
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iMac11,1: sleep issues: would wake up on its own and restart, still wakes up even when manually put to sleep with hibernatemode 25 [macOS 10.11]

I have done a fresh install of El Capitan on the iMac (11,1), after replacing the HDD with an SSD. Previously it was running Mavericks with no problems, but it was getting slow and dated. One thing to ...
Szymon Łopaciuk's user avatar
1 vote
1 answer
768 views

iOS Disregards Airplane Mode Setting on Reboot

I’m using an iPhone 11 Pro on iOS 14, but I have also observed this behavior on iOS 13 as well as on an iPad running iOS 14. Sometimes, when I go to reboot my phone I will close all apps (just to ...
anthozep's user avatar
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2 votes
2 answers
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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
1 vote
1 answer
866 views

MacBook restarts when idle

MacBook Pro 2019 13" If I don't use the laptop, it goes into sleep mode about 5-10 minutes. When I want to continue working I press any key and I am greeted with a login window, after which I ...
Petr Ermakov's user avatar
1 vote
0 answers
35 views

How to turn on macbook internal screen without rebooting system when booted as external monitor?

I faced one issue in macbook. I booted macbook pro as closed lid with external monitor connection and with AC power supply. But once there is power cut in residence place. My external monitor is ...
SamSol's user avatar
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1 answer
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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
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Why do Mail preferences get lost on reboot?

Apple Mail, the OS bluetooth subsystem and some other applications (e.g. Fantastical) loose relevant (but not all) configuration and preferences on nearly every reboot. For Apple Mail it seems that ...
h2stein's user avatar
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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 ...
TestUser1's user avatar
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1 answer
251 views

Cannot boot normally or in safe mode, booting to recovery mode results in circle with line through it

I opened my Macbook Pro to discover it was off, I pressed the power button and it had the AHH and the apple symbol and loading bar. However, the screen is covered in alternating bars of pink and blue....
qazwsx's user avatar
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35 views

Circle-backslash symbol at boot on MacBook Pro mid 2012

At reboot I get the circle-backslash sign on a MacBook Pro mid 2012 with an SSD. The first time I pressed CMD + R and opened Recovery Mode from internet, ran Disk Utility and corrected an error on ...
Claudio Tomasoni's user avatar
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
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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
2 votes
0 answers
1k views

How to get my second-hand, factory reset, 2008 iMac to work?

Good day, 1. The Setup I recently got a 2008 imac from a friend who reset it to factory settings prior to giving it to me. When I tried to turn it on it brought me to a OS X Utilities window. In ...
Sebastian Gameros's user avatar
0 votes
1 answer
4k views

Creating a bootable macOS installer errors with ‘dyld: Library not loaded: @executable_path/../Frameworks/IAESD.framework Versions/A/IAESD’

I'm following How to create a bootable installer for macOS guide by Apple, but it's giving me an error. When I execute sudo /Applications/Install\ macOS\ Catalina.app/Contents/Resources/...
Braven's user avatar
  • 111
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0 answers
53 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 ...
Joe Juhl's user avatar
1 vote
0 answers
27 views

Catalina login screen hangs after power related restart

When the battery runs out on my MBP, after plugging in and pressing the power button, I am greeted with the login screen. I type my password, then it hangs and the only thing I can do is hard switch ...
remmelt's user avatar
  • 11
1 vote
2 answers
625 views

Mac reboots after some minutes of inactivity

I have this strange problem of my Mac rebooting. Everything was normal until I started syncing photos from iCloud (this could be coincidental, maybe not). First time I noticed a problem after 1-2 days ...
QRrabbit's user avatar
  • 111
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
0 votes
1 answer
55 views

My MBP won’t start up and I can’t recover it using Time Machine

This morning I wanted to restart my MacBook, and while it was loading, all of a sudden it got shut down. I think that it was downloading updates and couldn't install those because there was not enough ...
Sophie Schot's user avatar
2 votes
0 answers
39 views

Why does my Mac play YouTube videos in open Chrome tabs before it's finished rebooting after installing a security update?

For a while now, I've noticed that if I have a YouTube video active in Chrome when I install a security update, my Mac will start playing that video before about 20 seconds before the login screen ...
BenRW's user avatar
  • 383
0 votes
1 answer
34 views

How to get back old configurations of app windows if lost because of reboot?

Macbook froze (the rainbow beachball was just twirling) because of low memory, so I needed to do a reboot using the power button. Might have done a safe mode reboot (not sure). After I restarted ...
MacProGirl's user avatar
2 votes
0 answers
190 views

System reboots when I disconnect Blackmagic eGPU from my Mac mini

When I shut down the Blackmagic eGPU using the icon in the Menu bar: Or if I manually unplug it, the system wants to reboot. All the applications ask "Do you want to close?" Then if I say no, at some ...
COil's user avatar
  • 283
1 vote
2 answers
1k views

macOS Mojave Shutdown cause

I am working on macOS Mojave unified logs,which are as follows: 2019-04-29 11:16:07.480418+0900 0xc2 Default 0x0 0 0 kernel: (AppleSMC) Previous shutdown cause: 5 ...
swasti bhushan deb's user avatar
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0 answers
34 views

After Forced Reboot, Passwords and SSL Not Working

I was having problems with my Mac Mini, stuff like the Finder not responding, so I restarted. I tried it the 'correct' way to begin with, i.e. apple menu, and then restart. All of the windows ...
Darren Matheson's user avatar
2 votes
0 answers
105 views

How do I fix the "auto-reboot" bug on my iPhone X without resetting it to factory?

Here are some backgrounds: I've got my iPhone X in early 2018. The device model is MQA92CH/A. I have NEVER Jailbroken it. I only install apps from the App Store. I have dropped it to the ground for ...
darkrose1977's user avatar
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
5 votes
2 answers
32k 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
3 votes
1 answer
660 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
0 votes
1 answer
2k views

MacBook Air randomly reboots

Background My wife has a 13" early-2014 MacBook Air which is left open and connected to the charger, running all the time. Periodically, I check that it's still on. A couple of weeks ago, I started ...
swineone's user avatar
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0 votes
1 answer
580 views

Problems after deleting Bootcamp Partion/EFI

I am running High Sierra 10.13.6 on a MacBook Pro. To cut a long story short, I installed a release of Windows 10 on my Mac and did not like it. So I decided to delete it. I did my best to remove ...
vctburk's user avatar
1 vote
2 answers
2k 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 ...
Jihwan Choi's user avatar
1 vote
0 answers
2k views

Unexpected shut downs on MacBook Air '15 with code -128

I have a MacBook Air, Early 2015, running macOS Mojave. Over the last 2 weeks, it has been unexpectedly shutting down and rebooting over varied time periods. Upon checking the shutdown logs, I found ...
Box Box Box Box's user avatar
1 vote
2 answers
30 views

iPhone SE - force rebooting gets into a loop

My situation is a bit complicated. I have an iPhone SE with iOS 9.3.5. I connected my iPhone to a rental car's audio system and something bad happened. The lock button stopped working and it is ...
bobsacameno's user avatar
6 votes
1 answer
836 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