Questions tagged [restart]

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Old MacBook, how to reinstall OS (fine to delete all data on the drive), but screen doesn't work

I've been using this MacBook for years even though the screen is damaged -- I just use an external monitor. So what's the problem? I want to reinstall the OS -- take it back to the base state, ...
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1 vote
0 answers
54 views

How to `kill -HUP` apps in macOS 12+?

Long ago it was relatively simple to kill and start some apps and processes in macOS by issuing a killall -HUP PROCESS_NAME. It seemed that most apps and processes respected the -HUP signal, but that'...
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2 votes
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29 views

Where Does macOS Store Resume Data?

Short version is that I am wondering where macOS stores the list of open applications when a user logs out, such that they can be restored when the user logs back in (as part of macOS' Resume feature)?...
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  • 1,197
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23 views

Prevent reboot on mount

After dismissing the notifications for months I finally let macOS upgrade from Mojave to something more recent, I think Catalina. The process failed, and I get a black screen at startup. After trying ...
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  • 111
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0 answers
8 views

Restart USB service [duplicate]

I have a remotely-controlled Mac Mini and sometimes devices connected to the USB port stop working. To make the device work again, I have to unplug it and then plug it in. I'd like to find a solution ...
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iPhone 8 keeps restarting - during / after upgrade

I have an iPhone 8 that keeps restarting all the time. What I suspect happened, the phone run out of space while an upgrade was performed and it is stuck in some kind upgrade/post upgrade step. Is ...
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20 views

Apple's Scheduled Shutdown & Restart causes error messages

When I schedule a Shutdown (at night) and schedule a Restart (in the morning), my iMac always reports a "sleep error message" once I've signed in after the morning restart. The same thing ...
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1 vote
1 answer
48 views

How to set PATH and other env vars for apps with "Reopen windows when logging back in"?

I have the option "Reopen windows when logging back in" set, which on my 11.6 macbook will reopen apps like vscode and iTerm2 after I restart. I want the reopened windows to have the ...
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0 votes
1 answer
110 views

Macbook Pro 2015 15" DG shuts down at 50% on progress bar

Tried to start my Macbook last night but would restart as soon as it reached 50%~ on the progress bar. When trying to boot into a recovery mode it would restart at about 30% on the progress bar and my ...
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1 vote
0 answers
63 views

Want to remove filevault prompt on shutdown/reboot

Whenever I'm logged in as a certain user and trigger a shutdown or restart, I get prompted to enable filevault. I have searched everywhere to find the hook that causes this prompt, but I can't find ...
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0 answers
19 views

My iPhone 6 keeps restaring with apple logo. I want to enter into recovery mode but can not do so as home button is not working [duplicate]

My iPhone 6 keeps restaring with apple logo. I want to enter into recovery mode but can not do so as home button is not working. Please let me know how can I enter into recovery mode / DFU mode when ...
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My Touchbar isn't responding. If I tap, it works but im not able to view the functions. How can I solve this problem?

I thought it froze and I tried the command via terminal and activity monitor. I tried restarting but nothing worked. All the functions on my Touchbar works but it shows up a black blank screen.
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1 answer
60 views

MacBook Pro keeps restarting [closed]

Filevault is enabled. Not able to login restarts again and again. And already have run first aid. Not able to reinstall macOS. shows your computer restarted because of a problem. MacBook Pro mid 2012.
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-1 votes
1 answer
76 views

How does the hardware know the restart? [closed]

A Mac can be switched off via the software. But switching on the hardware cannot be done if the software is not running. How can a Mac restart when it is switched off? Somebody else has to do that or ...
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2 votes
1 answer
146 views

iPhone storage is full and stuck into a restart loop

My iPhone XS's storage is full and I removed a couple of applications to free up space, but I thought that a restart could help to delete its cache files... And well, it entered into a reboot loop. I ...
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1 vote
0 answers
162 views

Macbook Pro mid 2015 + Dell P2721Q + DP - mDP cable not booting after restart in clamshell mode

I am pretty happy with the combo I have currently but this issue drives me nuts. I am using Macbook Pro 15" mid 2015 with Dell P2721Q 4k monitor connected with DisplayPort to Mini DisplayPort ...
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38 views

How to stop applications / programs starting on startup on macOS?

I'm trying to have precise visitability of, and most importantly, control over which applications / programs do and do not automatically start when the OS starts up (e.g. after a reset etc). I've ...
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1 answer
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M1 Mac mini - Your computer was restarted because of a problem

I've used my M1 Mac mini for about a month and already got about five crashes/reboots. Whenever this happened, I hadn't been doing anything special, nothing that was related to any installed software. ...
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1 vote
0 answers
26 views

Can an app cause your iPhone to crash

I installed Quick Notes with Widget on my iPhone SE (1st gen, iOS 14.1) and after a while my phone kept restarting every 5 minutes. Removing the app solved this issue. So I was wondering if, even when ...
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23 views

Weird restart - need help troubleshooting

I restarted my 2011 iMac running High Sierra and after entering my username (this field was blank this time whereas it's usually pre-populated) and password, my desktop came up but I was presented ...
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1 vote
1 answer
34 views

Why iphone 6s frequently restarts?

I have an iphone 6s with 76% battery health. the problem started, when it got frozen and touch screen didn’t work.so I held the power button to restart my phone. when it got restarted, while booting, ...
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0 votes
1 answer
143 views

Bootcamp Windows 10 memory BSoD

I have run windows 10 on my iMac (late 2015, Catalina) over the last year through bootcamp with no issues. I only use it for video games. I recently built a PC for a better gaming experience and to ...
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0 votes
1 answer
349 views

Automator script for restarting an application minimised without AppleScript

How do I get an Automator script to restart an application and make it minimised after restart? The application in question has no support for AppleScript. I have an application (Setapp version of ...
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1 vote
0 answers
39 views

MacBook Air 2015 1465 Catalina 10.15.6 Update Fail!

I am using 128gb MacAir 1465 2015 version. I have XCode and some other apps. When I try to update my mac. It looks like completely fine. I click Update Now button and it requests restart but that is ...
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2 votes
0 answers
20 views

2010 White MacBook won't shut down; restarts instead

I have ave a 2010 White MacBook 7,1 Core2Duo; bought used. I installed a previously unused HDD. I increased the memory to 4GB RAM. There are only three non-Apple apps, Citrix, Dropbox, Opera. It ...
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8 votes
2 answers
3k views

-20 shutdown, what to do?

Comp just shut down. Checked the logs and it says: Previous shutdown cause: -20 A shutdown causes page says: -20 BridgeOS T2-initiated shutdown. The T2 chip in your 2018+ MacBook Pro or other ...
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  • 771
1 vote
1 answer
47 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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  • 111
0 votes
1 answer
761 views

2018 Mac mini random restart problem

Over the past couple of days, my 2018 Mac mini has been randomly restarting/shutting down after I’ve stopped using it. When I power up my Mac mini, it says that it’s been restarted because of a ...
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0 votes
0 answers
52 views

21.5" iMac Mid 2010 | Restarting On Boot OSX Utilities Menu

I made an OSX High Sierra Bootable USB. The iMac starts fine and enters the MacOS Utilities GUI screen. But when I press either Disk Utility or Install MacOS, the iMac restarts ubrubtly. What could ...
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0 answers
26 views

Completely replace main monitor with external monitor Macbook Pro

I have a Macbook Pro 8,1 running macOS Mojave (I used a patch to get it, the warranty was already expired). I hooked it up to an external monitor, but when it restarts or when I shut it down and try ...
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  • 138
1 vote
1 answer
511 views

Your computer was restarted because of a problem macOS Catalina

I just bought a new Macbook Pro 16" 2019 with macOS 10.15.4. The computer keeps restarting when sleeping. Here's the following log. panic(cpu 6 caller 0xffffff8006e91b2c): Sleep transition timed out ...
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0 votes
1 answer
186 views

Macbook Pro (mid 2009) crashes after RAM upgrade

I just upgraded the RAM memory from 2x2GB ram to 2x4GB on my Macbook Pro mid-2009. A few minutes after startup with the new memory the screen freezes for 2 seconds, then the Macbook restarts. When it ...
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2 votes
1 answer
1k views

Can't remote login after startup

I have an iMac running Catalina (10.15.2) that I don't have a keyboard or mouse plugged into. I just want to use it via screen sharing and SSH. The problem is that often when I want to use it I can't....
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  • 151
0 votes
1 answer
80 views

Macbook Pro mid-2012 restarts after entering password

Macbook Pro mid-2012 restarts after entering password and gives an error after restart I'm unable to use any other boot command like Command + R etc as it leads to a screen with a lock and I've ...
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3 votes
1 answer
6k views

Mac automatically restarts after shutdown

I was using Win 10 on my 2017 21.5" iMac before, but formatted it and installed Mac Mojave again. Here format means I've formatted the data disk as well as system disk, merged all partitions and make ...
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  • 147
1 vote
0 answers
504 views

MacBook Pro keeps crashing [hardware issue?]

MacBook Pro (13-inch, 2018, Four Thunderbolt 3 Ports) running on Version 10.15.2. It happens a couple of times now this week. Is this a hardware issue? Should I just bring my MacBook pro to the store?...
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0 votes
1 answer
64 views

How can I find out which program is trying to restart my Mac?

From time to time I log into my server through screen sharing to find this warning: There is a program trying to restart my server, and I can't for the life of me figure out which one is the culprit....
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  • 185
1 vote
1 answer
454 views

How to identify the cause of a restart on MacBook Air via Console app in OS X Yosemite

Recently my MacBook Air restarted in the middle of the night and cost me some data. I understand there is a support page that tells me the possible causes, but they don't include a way to find the ...
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3 votes
0 answers
285 views

xCode project causes system restart

I’m an amateur using xCode 10.3 on a MacBook Pro in Safe Mode,Mojave 10.14.6 with 4GB of DDR to generate tensors of complex numbers (to be processed in subsequent projects). The code, which I ...
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1 vote
0 answers
25 views

macOS forgets login screen keyboard setting, falls back to US English [duplicate]

My keyboard setting is German. After restart the login screen keyboard setting is always US English. How can I permanently change the keyboard to German, also for login after restart?
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2 votes
0 answers
63 views

iMac won't shut down or restart

Running High Sierra 10.13.6, I tried to install Security Update 2019-003, but it would not install because the computer gets stuck (blank screen, responsive pointer) when trying to restart. Now I see ...
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  • 21
0 votes
1 answer
267 views

When MacBook runs out of battery after restart message problem detected occurs

For some months I have the following problem: After a restart (when my MacBook Pro 2017) runs out of battery, and after having logged in, a message that the computer was shut down unexpectedly occurs. ...
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0 votes
0 answers
56 views

After reinstall macOS 10.13.6, App store not work with updates

Simple. Opened App Store Updated software Stuck. Now my computer not restart. Now the only way to restart my computer is via terminal
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  • 111
0 votes
0 answers
22 views

How To Execute Login Items Before Application Reopen?

System Preferences -> Users & Groups -> [user] -> Login Items seem to be executing after, or at least in parallel with, the application reopens on reboot. In my case this is undesirable because ...
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0 votes
1 answer
404 views

How to permanently disable "reopen windows"?

I never want to login and be bombarded with the old windows I had open last time I was using my Mac. It is distracting and it is counter to my understanding that the computer is here to serve me, not ...
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3 votes
1 answer
429 views

How to prevent apps from from not letting you restart Mac OS

When I press restart button I mean it. Though Netbeans, iTerm, XAMPP think that they know better than me, and I get an error that the process has been stopped because of one of these apps. Is there ...
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  • 33
0 votes
1 answer
46 views

My iPad Air Wi-Fi (A1474) won't restart after getting a new system update

After I updated my iPad Air Wi-Fi (A1474), I couldn't get it to turn on again. What could have possibly gone wrong and how do I rectify?
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0 votes
0 answers
45 views

iMac6,1 showing multicolor after installing mac os x 10.7

It was on Os x 10.6.3 before I decided to install fresh OS x 10.7 everything was fine after the installation but when I restart the 🖥 it start showing multicolor as seen in the picture attached. I ...
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9 votes
2 answers
3k views

MacBook Pro 2018 Random Restart > Previous shutdown cause: -20

I have MacBook Pro 2018 (Mojave 10.14.1) just brought it 3 weeks ago, now i have random restart when i use it. i only browse internet, play spotify but suddenly the screen goes black and it ...
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3 votes
2 answers
6k views

Can't restart Mac: Finder not responding or «not open anymore» & other culprits

First-timer here. I have been experiencing several serious-looking problems with my MacBook (OSX Yosemite 10.10.5, model MacBookPro10,1: Mid 2012 Retina, 16GB RAM, 768GB SSD) for a while now, the ...
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