Questions tagged [reboot]

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

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41 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, ...
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47 views

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 ...
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Big Sur wont shut down cleanly

On a 2020 Macbook Pro. Big Sur 11.0.1 (20B29). Rebooting or shutting down my machine. All the apps close the dock disappears leaving the desktop background. A stick white spinner appears in the middle ...
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2answers
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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 ...
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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 ...
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1answer
40 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 ...
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2answers
424 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 ...
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1answer
67 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 ...
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10 views

Settings reset after slowdown

I was using BlueStacks and my MacBook started going REALLY slow, then all my settings got reset. I rebooted to see if that would fix my problem, and the Setup program started. I went through the setup ...
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18 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 ...
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1answer
26 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 ...
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1answer
48 views

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 ...
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Black Screen after Login

While I was using my MacBook, the screen suddenly went to black. I restarted it, but every time after I login the screen is black again. This doesn’t happen when I open it in safe mode though. I’ve ...
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772 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 ...
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1answer
93 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....
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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 ...
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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.
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1answer
2k 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, ...
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622 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 ...
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1answer
3k 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/...
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25 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 ...
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20 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 ...
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1answer
155 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 ...
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1answer
9k 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 ...
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1answer
37 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 ...
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0answers
19 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 ...
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1answer
30 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 ...
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0answers
151 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 ...
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2answers
751 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 ...
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30 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 ...
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90 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 ...
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2answers
695 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 ...
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2answers
10k 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 ...
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1answer
424 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 ...
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1answer
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 ...
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1answer
360 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 ...
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2answers
1k 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 ...
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0answers
1k 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 ...
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2answers
20 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 ...
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1answer
644 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 ...
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0answers
44 views

MacBook Air 2013 rebooting when waking up from standby

I recently started having this problem with my MacBook Air 2013 (i7/8GB) running the latest High Sierra: Sleep itself works perfectly fine. If I wake up the device within the standbydelay of 3 hours, ...
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0answers
30 views

All accounts lost on each reboot

I recently purchased a used 2015 MacBook Pro. The machine is in excellent condition, and they did a factory reset before I took the device. Every time I shut down the machine, all of the users have ...
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76 views

Set the mode for next boot from the terminal

I'd like to be able to boot into the recovery mode the next time the machine boots not by using the start up key presses. I'm already logged in in normal user mode - can I set this in the terminal? ...
2
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1answer
137 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 ...
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1answer
424 views

iPhone 6, iOS 11 boot loop/restore bar loop

I have a problem with my iPhone 6. It randomly went off, and when I tried to power it on again it became stuck on boot loop (Apple logo is displayed, going black, and Apple logo is displayed again) ...
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1answer
751 views

macOS High Sierra Freeze on every Screen Lock

Since the High Sierra update my Mac is freezing and restarts automatically whenever I lock the screen. After reboot I get a bug report popup which details the error: Anonymous UUID: 1E525FB8-...
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0answers
79 views

Wi-Fi stops working when running Node.js server

I'm trying to run a game server using WebSocket and node.js. It works fine for about 5 minutes and then all of a sudden the game stops and I can no longer connect to the internet. When I hover over ...
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1answer
20k views

How to update Late 2011 Macbook Pro past 10.7.5

I have a late 2011 Macbook pro, 2.4 GHz Intel Core i5, with 4 GB of 1333 MHz DDR3 RAM. It is currently running version 10.7.5. According to EveryMac "... this model is capable of running macOS High ...
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0answers
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 ...
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1answer
355 views

Mac Mini 2011 freezes and reboots

My Mac Mini (mid 2011) frequently freezes under medium to heavy graphics load (e.g., while using Citrix RDP or playing games). Until today I used to think this was caused by overheating but after a ...