Questions tagged [reboot]

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

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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
31 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
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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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Any way to reboot more than one iOS device via idevicediagnostics?

Is there a way to reboot more than one iOS device via idevicediagnostics? I have 5 devices and i want to reboot them remotely at once via command or any software.
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0answers
111 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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22 views

Screen distortion during login

When restarting my login screen looks normal, but soon after I press enter, before showing me my desktop the screen becomes weirdly distorted for a few seconds. Is there any way to fix this? EDIT: ...
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2answers
349 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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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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0answers
63 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
165 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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1answer
1k 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
271 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
749 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
146 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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1answer
62 views

Cydia iOS10.3.3 reboot exploit break

I reebooted my iPhone 6s when it was running Cydia, and have tried to re-do the exploit (as I thought that you had to do after rebooting), but it reboots right after the first exploit notification. ...
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1answer
494 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
863 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
19 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 ...
2
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1answer
360 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 ...
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0answers
38 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
29 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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47 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
79 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
375 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
658 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
57 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
14k 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
970 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
276 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 ...
2
votes
1answer
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 ...
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0answers
190 views

Macbook Pro fails to reboot during updates

Ok, this is a bit confusing and has been happening for at least the last 5 macOS updates I've done (both public beta and full releases in Sierra). Here's what happens: I go to the App Store and tell ...
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1answer
168 views

iPhone 6, charged overnight and now stuck in bootloop

I left my phone charging overnight, and in the morning I woke up and the phone was stuck in bootloop. The Apple logo came on, then the screen turned white, sometimes with 1 black horizontal line or ...
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2answers
4k 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 ...
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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 ...
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3answers
124 views

Is there something in a Mac Pro that could make it sensitive and reboot when bumped?

Bear with me here for a second... I have an early 2008 MacPro3,1 that has been my work horse for many years and for the last several years has been running continuously as the home server. I've ...
2
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1answer
414 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 ...
2
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2answers
594 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 ...
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1answer
99 views

macOS Sierra slow reboot

my MacBook Air (Early 2015) with Sierra (10.12.2) is rebooting very slow (more than 10 minutes). How i can fixe this issue? How i can see the log file, when MacBook is rebooting? (to understand ...
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1answer
2k views

Launchpad keeps rearrarining icons

Every time I reboot my Mac running macOS Sierra I lose my Launchpad layout. I’ve tried different apps, tried removing some preferences. All of the apps are reset to their default position. Anyone ...
2
votes
1answer
842 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 ...
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2answers
353 views

HDD on the verge of dying?

So, I've found myself in a quite tight spot regarding my internal HDD. I've got a 13" Late 2011 MBP, running macOS 10.12.1, which is behaving very strangely lately: Mail will refuse to open, with an ...
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1answer
545 views

iMac data recovery - file icon with ? mark [duplicate]

My iMac went dead, and was trying to recover data from it by connecting Thunderbolt. The dead iMac's hard drive did not appear on the other Mac. As a next step, I was trying to reboot to use Disk ...
2
votes
1answer
726 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 ...
3
votes
2answers
191 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 ...
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3answers
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 ...
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vote
1answer
345 views

Getting error code -128 on a late-2015 iMac [duplicate]

Late 2015 iMac is rebooting on its own. Only Finder running, OSX 10.11.6. (2) 8GB RAM sticks. Got to catch it in the act today. After reboot I find kernel: Previous shutdown cause: -128 That doesn't ...
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1answer
336 views

My iMac reboots to the login screen in the middle of the night, after enabling FileVault

I have a 5K iMac, late 2015, running El Capitan. Two days ago, I enabled FileFault. After that, when I wake up, I find that the machine has rebooted to the login screen, showing me icons for all ...
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0answers
749 views

MacBook Pro 13" is restarting after RAM upgrade

I have upgraded my MBP from 4GB (2x2GB) to 16GB (2x8GB) SO-DIMMs. After upgrading it keeps restarting continuously. Here is the new RAM detail: Kingston Mac Memory 8GB DDR3L-1600(PC3-12800) SO-DIMM 1....
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1answer
348 views

Persistant phantom volume mount points, how to prevent?

Every time I reboot my Mac a mount point for a drive I don't even have connected is recreated in my /Volumes/ dir. I can delete it, but next time I reboot it comes back. How can I find out what is ...