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

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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 ...
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1answer
128 views

Any way on God's green earth to disable resuming applications after a crash?

Using OS 10.6.8 Every month or two I'll have a hard crash on my MacBook Pro and I'll have to force reboot by holding down the power button. No big deal, I've been doing this on various macs since ...
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1answer
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Time Machine Backup causes Macbook Pro to hang

My Macbook Pro has suddenly started acting pretty funky. I will be running Blender for a few minutes and then it will turn on the fans and they will start getting faster and faster. I checked the CPU ...
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1answer
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Apps that were active won't launch after crash

im having a really strange problem here. My macbook air running mountain lion locked on me so i held the power button down to restart it. When it restarted, the OS offered to reopen the apps I had ...
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13answers
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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 ...
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1answer
587 views

Howto avoid autostart of iOS app?

I use an iOS app that autostarts whenever I reboot the phone. How can I disable that ?
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1answer
4k views

Jailbroken iPod touch stuck in boot

I jailbroke my iPod touch 4g running iOS 6.1 yesterday. I got SiriPort, but it kept crashing my iPod and booting into safe mode. I reinstalled it, and took it for a test run, and of course, it ...
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51 views

Headphones connected?

I got the following string when restoring the OS. What does it mean? I don't have any headphones or other devices connected. Setup Assistant: StartListeningForHeadphonesGettingPluggedIn Setup ...
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1answer
49k views

How to reset MacBook Air that is booted but shows no screen?

I was using my MacBook air after returning home. The network was down, so I put it down, closed the lid, and went to reboot the router. Upon returning to my MacBook Air, opening the lid, nothing ...
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165 views

“Always open with” option not saving after reboot

Setting a filetype to always open with a specific application works only until I restart my computer. Macbook Pro Retina under OSX version 10.7.5. Why?
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1answer
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Mac start up - Flashing Folder

Basically, tonight my mac crashed so I re-started and got a flashing folder. I have searched around online for the commands that I need to press when I first hear the chime to get into the disk ...
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0answers
345 views

Sound output issue on boot with Duet 2 and Logitech Headset

I'm having a sound output issue on my mac when both my Apogee Duet 2 and Logitech H540 headset are connected to my Macbook pro at boot. Every time I restart my mid-2012 Macbook Pro my volume control ...
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1answer
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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 ...
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1answer
202 views

Software update hinders rebooting OSX

I'm trying to reboot Mountain Lion but it will not allow me. It just keeps saying Waiting... without anything happening. What can I do? See this image:
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1answer
280 views

Key Combination for Restart During Boot

My Mac gets stuck during bootup quite frequently recently (no entry sign and flashing folder). Every time it happens, I have to press the power button to shut it down and press the power button again ...
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2answers
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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 ...
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Successful jailbroken iPhone ran out of battery and stuck in constant reboot with worn sleep/wake button

I successfully jailbroke my iPhone 3GS 5.1.1 untethered using Absinthe. I had been using the phone for a handful of days. Last night however the phone ran out of battery. A few hours later, I ...
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3answers
897 views

How do I deal with an automatic reboot following a cydia app install

The tethered RedSnOw jailbreak for 5.1 worked like a charm. I ran into a problem when I installed winterboard however. Following the automatic reboot, I couldn't get my iPhone into DFU mode to use ...
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1answer
308 views

Reason for the need to reboot my iPad

this is my first question here so go easy on me. Truth to be told it's not really a question, more like a curiosity. I noticed that after prolonged use of my 1st generation iPad without rebooting it ...
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0answers
722 views

Windows will not boot after a restart of my Mac Pro, only after a cold shutdown and startup

I am currently experiencing a very strange issue regarding booting into Windows 7 64-bit (installed on its own 1TB HDD). If I restart my Mac Pro, hold down the option key, and select my Windows ...
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1answer
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 ...
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1answer
2k views

iPhone 3GS Keeps Rebooting

My 3GS keeps having a strange issue, but I think I've found a pattern. First let its battery get low enough to where it turns off on its own Recharge it enough to come back on After coming back on, ...
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1answer
982 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 ...
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27" iMac Hangs On Reboot

I've got a 27" iMac 2.93Ghuz Intel Core i7 running 10.7.2. Anytime I reboot (like for some software updates), it gets stuck at the gray startup screen (no Apple logo). If I press and hold the power, ...
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1answer
722 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 ...
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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 ...
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Monitor remains grey after Apple logo during boot on Mac Pro

The Mac Pro here (2008 model) started acting up as of yesterday during booting - when I turn it on, I hear the typical sound, the Apple logo appears, it disappears.. and the monitor remains in that ...
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2answers
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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 ...
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2answers
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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 ...
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1answer
311 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 ...
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1answer
2k views

App stuck while downloading at stage of 2%

I have downloaded two apps using iphone Appstore in the morning and they were downloaded successfully. My apps stuck when I was trying to download 1 of the app called Ninjump. Its still showing in ...
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1answer
429 views

iPhone 3GS always rebooting when logging on to cellular network

I upgraded to 4.3, without jailbreak. Phone seemed ok, but I turned it off and on again a few days later (normal power off). It started rebooting itself. I tried hard resets. Eventually got to a ...
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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)
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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" ...