Questions about booting, the process of starting a computer and putting it into a state of readiness for operation.

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How to boot in Windows by default? [duplicate]

I installed windows 8 on a bootcamp partition. When the computers shut off because the battery is low or because of windows update, it will restart in Maverik (unless I notice in time to press alt ...
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62 views

2 Mac Mini Server in a restored RAID 1 config and question mark folder at boot

We have two identical Mac Mini servers (let's call them A and B) running OS X Lion with two 500 Gb HD. Using a Thunderbolt cable, a RAID 1 matrix was creating using three HDs (2 from A, 1 from B) with ...
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19 views

Ubuntu boot not available at startup

I have partitioned my internal hard drive and installed Mac OS X Mountain Lion on one partition and Ubuntu 14.04 Trusty Tahr on the other. The installation was done via alt/option key at startup ... ...
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1answer
19 views

rEFIt defaulting to 32bit kernel

rEFIt is defaulting to the 32bit kernel of OS X which will not boot and will show this error message: at boot I have to press F2 then manually select the 64bit kernel. How do I change the default ...
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2answers
28 views

How old would a Macbook Pro need to be in order to have a non-64bit Intel processor?

My friend has a MBP that was bought 2 or 3 years ago, and I need to help him prepare some software to run. What are the chances he won't be able to boot from a 64bit Linux live USB flash drive?
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347 views

iMac 27″ boots successfully to safe mode only

I can only boot my iMac 27″ (end of 2009) in safe mode. The problem started in Lion, when the computer suddenly froze. All I can get is the grey screen, which turns black after a while. I upgraded ...
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27 views

Macbook Pro 2008 doesn't boot

I'm having a problem with my Macbook Pro from 2008. If i boot up the Apple logo with the grey background is staying and a stuck spinner. BUT I can make sound with my mac, while it's stuck on the logo. ...
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1answer
281 views

I can't boot into Windows 7 on Boot Camp

I have a mid-2009 MBP. A couple of years ago I swapped out the optical drive for an SSD, made the original hard drive a Boot Camp partition and installed Windows 7 on it. It has been a brilliant "best ...
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2answers
823 views

How to create a 10.6.8 recovery CD (not clone of the OS or install environment)

Upon Google searching people seem to equate "recovery CD" with full installation. I have seen methods such as using Disk Utility with the Mac HD as the source and a DVD as the destination. This ...
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1answer
63 views

How to create a bootable Mavericks dvd (double layer)?

my macbook's hard-drive is dead so i bought a new one and i'm looking for a way to install os X on it. Is it possible to download mavericks on an imac running 10.6.8 and create a bootable dvd ? ...
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19 views

Debian on air 3.2

I installed Debian on my macbook air a week ago after first going through the http://www.rodsbooks.com/refind/installing.html#osx installation guide. The installation of Debian worked fine and i ran ...
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1answer
72 views

How to turn off boot up chime on late 2013 mac pro?

I use my new late 2013 Mac Pro in Windows only. But, I'd like to disable the bootup chime. How can I do this?
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1answer
381 views

Login - Screen Flashes and Returns to Login Screen - Tried Everything Possible

I have an absurd issue which pretty much nothing seems to be able to fix - I have a 2011 Macbook Pro running Mavericks. When I try logging into my main account with the correct password, the wheel ...
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185 views

Compressed windows boot manager on dual boot Macbook and windows 7

I have never posted here before so I hope this is the right place to ask this question. So I'm helping my friend with his computer right now, I should mention that I am not a user of OS X on a ...
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1answer
33 views

PowerBook G4 cannot boot up and doesn't install any versions

My school IT guy tried helping me with an issue with my old PowerBook G4. I just got it from my friend because he had no use for it and he didn't know the password. I tried resetting the password and ...
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0answers
73 views

Efi Boot appears on BootCamp page

I'm new in this forum and I hope someone has an answer for my issue. Since yesterday my mac-book pro won't boot in Os X I have boot-camp on it If I turn on normally the apple logo, loading circle ...
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1answer
61 views

Mid 2010 Macbook Pro goes into an unresponsive hibernate state for unpredictable amounts of time

When my macbook is in standby, and the battery dies it sometimes goes into an unresponsive state in which (after charging) it won't turn on. The power button has no effect, even in combination with ...
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1answer
113 views

iPhone 4s stuck at apple logo in boot

My iPhone 4s 64GB was recently updated to iOS7. The battery was completely empty so I had to charge it. However, the iPhone does not boot anymore and it's stuck at the Apple Logo. I went to a ...
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52 views

Mac not booting. Attempts for SU mode and recovery lead to black screen

My macbook pro was not booting. The screen seems to freeze on the Apple logo screen. Any attempts to enter the SU mode or to recover either from local or from Internet lead to a black screen. Any ...
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957 views

Mavericks - Restore Damaged Recovery HD Partition without Reinstalling OS X

Recently, I tried to boot into the Recovery HD partition in order to perform some basic verify/repair operations using Disk Utility, only to find that my Recovery HD partition will not boot. Instead, ...
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0answers
216 views

Install Ubuntu 13.10 on external firewire hard drive

I think I installed Ubuntu 13.10 on my external firewire hard drive (LaCie Rugged Triple) successfully, but I don't see any way to boot it. How can I solve this? I already have Mac OS X 10.7, Lion, ...
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1answer
86 views

Cannot boot Mac Mini with stripped RAID -fsck hangs

Today we coould not get one of our machines running. After several hours of doing the 'standard' tasks like fixing permissions etc. we hit a dead end. Here's what's going on: Machine starts, we can ...
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478 views

Screen backlight does not turn on during bootup, but turns on when accessing recovery partition

I have a late-2011 15" MacBook Pro running Mavericks. I normally don't reboot my computer and can leave it logged in for days on end. I decided to reboot my computer and when it was booting, the ...
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61 views

How to restore /dev/rdisk1?

Accidentally when installing third-party distribution on to the stick I mixed up paths and instead of /dev/rdisk2 used /dev/rdisk1 and now my OS X do not load. Is it possible somehow to restore boot? ...
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3k views

OS X kernel panic on boot with “unable to find driver for this platform”

I updated the latest version of OS X yesterday. When I updated this it asked me to restart and displayed "unexpected error" and asked to restart again. When I restarted it the following screen showed ...
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99 views

Mid-2012 Macbook Air, boot directly from MBR not from GPT

Ok, I have an end-goal of using rEFInd, windows, and linux installed on my macbook air. (info here: http://support.apple.com/kb/SP670 ) Windows cannot be installed onto a GPT partition, so I'll have ...
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815 views

Boot from USB iBook G4 Power PC

I recently got an old iBook G4 (as many of you might have noticed with all of my recent questions :D) and I wanted to install Ubuntu via USB (the iso doesn't fit on a CD and the iBook doesn't read ...
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37 views

iPhone 4 doesn't power on, but is recognised by PC

My fiancée's iPhone 4 doesn't seem to want to boot. I originally thought it was just not charging, but my PC recognises it when I plug it in via USB. Might just be that the USB logic (e.g. FTDI) ...
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229 views

How can I clear the kernel extension caches while using FileVault 2?

I have the same problem as this user, Air + Lion : plug in USB, keyboard/pad stop working , where the built-in keyboard and trackpad on my MacBook Pro stop working (and drop out of the USB devices ...
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0answers
218 views

Why doesn't the boot menu show my USB drive with the Mavericks installer?

I have downloaded Mavericks and through Disk Utility installed it to a USB drive. When I boot my new Mac, I only see the Recovery drive. Don't have the original Macintosh HD and doesn't find the USB ...
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1answer
690 views

Serious Boot / Sleep Problems

Two days ays ago I closed the lid of my macbook pre for the night as I have done for the last 2.5 years but when I opened the lid in the morning the screen didn't show. It seemed to be 'alive' (ish) ...
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1answer
247 views

Is it possible to use FileVault 2 on a non-primary boot partition? (Dual-boot setup)

To be more specific yet still brief, I'm looking to use Filevault 2's entire partition encryption, for a partition other than my primary boot partition. Ideally, I want to have 2, or in the future, ...
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1answer
270 views

Shift key damaged how to disable it at boot?

I recently spilled water on my computers keyboard, and as a result the left shift key seems to be stuck in the on position. This means that the system always boots into safe boot unless I hold down ...
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63 views

USB Keybard not activated at boot

I've got a Mac Mini with Mavericks with a WASD Keyboard v2 (ISO layout) attached. When I boot the system the keyboard is somehow not recognized by the OS (i.e., I type and nothing happens). The ...
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1answer
183 views

Time machine restore failed to fix boot

After connecting MacBook Pro running 10.8 to video project, the system crashed and after restart it booted into recovery (OS X Utilities). I tried to fix the problem with checking disks and disk ...
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2answers
2k views

Upgraded to 10.9, but it broke my Windows 8.1 Boot Camp partition!

I just got Windows 8.1 set up via Boot Camp a couple days ago, and everything was working wonderfully. Today, I upgraded my Mac to OSX v10.9, as suggested by Apple. Nobody told me it would break my ...
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1answer
440 views

How to run OS X from DVD or USB stick?

I would like to have a safe "Linux-like start/boot from DVD or USB stick" environment. How to do such security thing for the latest OS X (10.9 Mavericks)?
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352 views

Can't use Boot Camp because startup disk must be Mac formatted

During the Boot Camp installation by mistake I erased the Macintosh HD partition, but before continuing the installation of Windows I stopped the process. Using a bootable live CD I saw that all the ...
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1answer
87 views

Mavericks install: “there was a problem… try reinstalling”, third time in a row

Mavericks install worked at first. I was able to enjoy Finder tabs and such. I updated Tuxera for Mac to 2013 and rebooted, then I was stuck at an endless spinner. I tried disk repair, safe mode, same ...
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1answer
161 views

If I update to Mavericks, will I be able to boot from USB?

running a late 2009 (5,5) Macbook Pro. I am currently unable to boot from liveUSB disks, but would really like to. I know that newer macs can do this (Macbook Air, new MBPs), but is it a hardware or a ...
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0answers
47 views

Recover from deleting all partitions. I don't want to keep OSX

I've tried to install Fedora on my 2007 Mac Mini, using rEFIt to boot from the USB. Thanks to Fedora's horrific excuse for a patitioner, I believe I've deleted all the partitions on the HDD. I had ...
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2answers
1k views

Macbook Pro won't boot into OSX (circle with line through it), but Windows works fine

When I try to boot into OSX, after 30 seconds or so the Apple symbol is replaced by a circle with a line through it. If I try single user mode, it stops at a certain point before booting entirely and ...
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0answers
156 views

rEFInd hangs on boot and shell launch on a Mac Mini

I have burned the rEFInd 0.74 USB image to a pendrive and booted a Mac to it. The boot manager's menu works fine and shows boot icons for all the OS installations I have but when I try and boot to a ...
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94 views

Running Fedora 19 alongside OSX 10.7

for some time now I have tried to install Fedora 19 on my MacbookPro 2,1 C2D, but I simply can't make it work. Here is how I tried: Getting Image of Fedora and make a bootable USB drive with Mac ...
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100 views

Cannot boot Ubuntu from USB 2.0 on OS X

I'm running OSX 10.7.5 on a Mac Mini 2012. I'm trying to boot Ubuntu, but keep running into issue, after issue. This is what I have done: Got an extra external hard drive an formatted to MSDOS with ...
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110 views

Install Failed on Macbook Pro

When I want to install the Max Os X on my Macbook Pro, this error occurred. Note: I think my Mac Disk is not empty. Note: My Boot disk is in Windows Disk, But my Windows disk is empty, then this ...
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152 views

Is there a way to boot on iMac from usb using a different OS and access osx files to back them up

I am having issues starting up my iMac. I would like to know if i create a bootable usb with Ubuntu or any other OS, would i be able to boot with it and access the OSX drive? I able to do this in ...
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0answers
162 views

Apple's target disk mode recognizes my bootcamp (windows) but not my Mac HD?

Needless to say, my Mac HD is corrupt and Im looking at erasing and installing Mac OS from scratch. I have been able to copy a bunch of files from my MAc HD using MAcDrive on my windows partition. ...
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351 views

Creating a Boot Camp-compatible Windows Installation Disk with GPT

I'm under the impression that Boot Camp Assistant on my MacBook Pro with Retina Display creates USB Windows Installation Drive with MBR format. Now my question is simple: If I am to be able to create ...
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1answer
1k views

Bootcamp and wireless usb keyboard: How to boot with Mac os

I have a Mac mini. I installed windows 7 with bootcamp and now windows 7 is the default OS. My problem is that it doens't seem to recognize my keypress during the boot (I have a logitech usb wireless ...