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

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1answer
112 views

Macbook Pro 2011 Snow Leopard Boot Camp with Parallels Desktop 8

Quick question in response to a very thorough bootcamp post already on this forum. For anybody that has a working Mac, Windows and Shared partition ... is the Boot Camp partition recognised by ...
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1answer
159 views

Switch from a not-installed Windows partition to Mountain Lion

I tried to install Windows in dual boots (version 4 I think) in my Macbook Pro 10.8. Everything was fine until Windows boot for the first time for it's installation. The operating system was not able ...
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0answers
225 views

Help needed installing OS X 10.6 on a clean iMac 8.1/early 2008

I have an iMac that has had the hard drive wiped completly clean, no partitions at all, just a blank drive, I have purchased OS X 10.6 installation DVD. I try to install OS X, the disc loads up and ...
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1answer
695 views

Is it safe to reformat drive during Recovery Mode install?

I've inherited an almost brand new 13" Macbook Pro Retina. I'd like wipe the hard drive clean and start with a fresh install of Mountain Lion. I've done this a million times before... but never while ...
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136 views

2010 MacBook Pro won't boot

I'm having an issue with my 2010 MacBook Pro. It started crashing a lot a couple of months ago, eventually even with kernel panics. Sometimes after a crash, during the next boot, it would display a ...
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0answers
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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0answers
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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2answers
20k views

Stuck at Apple logo during boot. Cannot enter Safe mode. Cannot use Recovery USB

A little background I wanted to create a Mountain Lion recovery USB because I currently only have a Lion recovery USB. While downloading the installer image from the Mac App store, the computer froze ...
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161 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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0answers
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
4k views

What does boot.efi actually do?

I understand that when a Mac's EFI system runs, it locates the file boot.efi in the /System/Library/CoreServices/ (blessed) directory and runs this as an EFI application (subverting a large part of ...
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1answer
664 views

OS X Snow Leopard installer hangs

I installed Linux on my MBP. I just told it to overwrite the whole hard drive so OS X is gone. But now I want to go back to OS X so that I can upgrade to Lion. I start up my MBP with the ...
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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 ...
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0answers
1k views

Bootcamp problem -> not booting into Windows

Every three restarts when I'm holding down the option key and try to boot into Win7 the screen goes black and nothing happens. The indicator is the blinking cursor - if it's absent in the start, ...
0
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1answer
262 views

Preventing booting from external media

Is it possible to set up Mac OS X 10.8 (Mountain Lion) on a MacBook Air so that users cannot boot from external media (e.g. a USB memory stick) and cannot restore the OS from the internal restore ...
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2answers
946 views

Mac Book Air mid-2012 completely disappeared disk

I've tried to wake up my Mac Book Air from sleep today, but I got a black screen. After waiting 10 min, I decided to shut it off by holding the power button a few sec. After restarting, I had a ...
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54 views

move the /boot partition on Mac OS X to a usb drive

I have done this in linux and Im wondering if someone has found a round about way of doing this in OSX. Here is how it works on linux. The boot partition is loaded to a usb flash drive. When ...
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596 views

How do I troubleshoot a white MacBook that won't boot?

I was given an older MacBook (MacBook 2,1, Late 2006, A1181) that won't boot. I can't figure out why. When I push the power button, the CD drive spins, like usual, and the white power light on the ...
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3answers
1k views

Renaming the startup disks shown during boot

I'm dual booting OS X (Lion) and Arch Linux, and when I hold down "option" during the boot process, I am presented with both of my startup disk options (i.e., OS X and Linux); however, they are named ...
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0answers
451 views

CoreStorageFamily::unlockVEKs() failed to unwrap the vek, status = e00002bc

I have a filevault2 disk with two partition. One is the boot partition, the other contains data, both are encrypted. Today, after installing the latest 10.8 update (10.8.4 I guess), the computer ...
0
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1answer
357 views

Why does my macbook always shut down on recovery?

Hi am trying to fix a MacBook Unibody Model A1342, The macbook has an unknown error that might also be caused by water accident or drop or just internal problems. (I dont know about the macbooks ...
2
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1answer
492 views

Apple powerbook G4 17" Trying to install Linux

I believe followed the directions on how to create a bootable USB drive from the Ubuntu website. My question is how can I get my Powerbook to boot from the USB drive? I tried doing the ...
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0answers
57 views

MacPro4,1 USB Boot?

Just bumped into an odd problem with my MacPro4,1 (2009/Nehalem) wherein I cannot boot from USB bootable disks. My various disks are recognized from System Preferences -> Startup Disk, however they ...
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0answers
233 views

OS X Lion never boots

When starting up my iMac with OS X Lion 1.7.3 it will show the Apple logo, and soon after a progress bar with the typical spinning progress indicator. The progress bar will go up to about 8%, ...
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1answer
39 views

How to enable ssh proxy every time I resume desktop

I start ssh proxy by a command similar to the following when I login to the desktop. ssh -N awsproxy.vpc Also, I need to type this every single time I resume my desktop from sleep mode. Can you ...
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3answers
1k views

Why does RAID 1 “Mirroring not provide performance improvements”?

I have always used Software RAIDs, either Apple-provided, or via SoftRAID, etc. I am about to re-zhuzh my arrays and decided to do a little research beforehand… and On Apple's site, there is a ...
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2answers
3k views

disk full - Mac OS won't boot

My friend has a problem getting Snow Leopard to run because the disk is completely full. I suggested getting into command line mode (CMD+S on boot) and delete some things, but it didn't work (nothing ...
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1answer
8k views

How to install Snow Leopard from USB where USB disk is prepared using Linux?

I'm trying to install Snow Leopard (a retail version) into my MacBook, but seems like that the MacBook can't find the boot disk over USB. I guess this is related to the fact that I mounted the .iso ...
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1answer
162 views

MacBookPro wont boot Transcend SSD320

I have been having trouble booting my macbook pro. I have a backup of everything on the cloud so I tried reinstalling the system from my usb mountain lion stick. Unfortunately the disk utility did not ...
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1answer
148 views

What available methods are there to boot a Macbook Pro

I have a macbook pro 15" early 2011 model, which I would like to install linux on (dual boot setup). However, I don't have an optical drive for it since I replaced it with an SSD. I need some way to ...
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4answers
5k views

Can I schedule startup and shutdown with different settings for weekdays and weekends?

Everyday, I usually start my Mac Mini at 16:00 and shutdown it at 2:00 using the Energy Saver schedule settings. I would like to be able to set a different behavior on the Weekends starting Mac Mini ...
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0answers
116 views

Boot Linux from USB drive

I've installed Fedora on a new SATA SSD drive for my MacBook Pro, and when installed into the laptop, it boots perfectly (and runs wonderfully!). However, I want to boot from it externally until I'm ...
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2answers
285 views

precaution or steps to take before booting up 4 months unused macbook air

My mother was ill for quite some-time, and she didn't use her MacBook Air for almost 4 months now. Before booting it up again, and start making use, please let me know if there are some necessary ...
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1answer
196 views

17" Powerbook G4 must sit for hours to boot

OS 10.4.11 1440x900 Resolution 1.67 GHz Power PC Processor 2x512 MB sticks of RAM = 1 GB total RAM I have tried several troubleshooting methods including different startup key combinations to reset ...
0
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1answer
58 views

Why would a macbook running OS X 10.7.5 boot up on its own at the same time every night?

The macbook was turned of around 10:22PM. At 12:00:09 sharp it boots up on its own. This happens every night even though the user turns off the machine at around 10PM every night. Why would this ...
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1answer
457 views

Can't boot from Snow Leopard DVD

I bought a new hard drive for my 2011 MacBook Pro and did the following steps: Backup using Time Machine Replaced the hard drive Put in a Snow Leopard DVD (10.6 from ~2009) Booted holding down the c ...
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1answer
362 views

Showing the current boot arguments in OS X

Is there some way to know the arguments passed to xnu at boot from within the system?
3
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3answers
4k views

Logging out and in on OS X takes 4-5 minutes?

I've got a 3.4 GHz i7 iMac (8 cores) with 24 GB of RAM. (2 16 GB chips plus 2 4 GB chips.) I know this amount of RAM is "officially unsupported" which is why I mention it. Lately logging out (to ...
3
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1answer
291 views

Mac Mini Server running Mountain Lion (10.8.2) is freezing during boot (last line: IPv6 packet filtering initialized)

Starting in verbose mode (Cmd+V), the last line I see on the console is: IPv6 packet filtering initialized, default to accept, logging disabled This happens regardless of having an ethernet cable ...
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1answer
552 views

How can I boot my MBP into normal mode despite shift key being broken (and on)?

I recently went to the Apple store with my laptop because it would only boot into safe mode and would not accept my password. While there, they said some liquid ruined something in the inside of my ...
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0answers
340 views

iMac does not show bootable USB drive on boot menu

I downloaded the Linux USB Image of memtest86 and used dd to get the image on a USB flash drive. Whenever I used it on an iMac Late 2006 (running SL) or the newest Macbook Air 13'' (running ML) the ...
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2answers
786 views

Installing windows on late 2009 iMac 27"

I've sucessfully installed Win 7 x64 twice on my imac before. However the 2009 iMacs had faulty HDD, I had it replaced and after that I have trouble installing windows. I know about the display ...
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1answer
1k views

Installing Windows manually

Here's the situation: I've got three partitions on my disk - EFI, OS, and a Data Partition + 40 gigs of free space for a Windows partition. I already deleted the Recovery partition to avoid conflicts ...
2
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3answers
686 views

Understanding how safe boot fixed a boot problem

Background My friend asked me to look at her early 2011 Mac Mini with OS X 10.8.3. She said that: she installed software updates she couldn't remember which updates were installed when the Mac ...
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1answer
3k views

restore Mac OS Mountain Lion to factory settings without discs or time machine backups

I installed XCode 3 on Mac OS Mountain Lion 10.8 and now I am getting the Apple BSODs. Can I do a system restore without having the discs as I seem to have nothing to use, also I have no Time Machine ...
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4answers
2k views

Why have 5 different iMacs developed corrupt OS X partitions when the physical drives are fine?

I'm a tech for my local school district and we are having some problems with our iMac Multimedia Lab. Over the past nine months, 5 of the 22 iMacs have suffered from filesystem corruption. The only ...
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1answer
237 views

What is the simplest way to dual-boot linux?

I am looking for the most straightforward way (both in initial setup and in maintenance) to set up a second partition on an OS X machine for (either) Debian or Ubuntu. I won't be running any other ...
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1answer
134 views

Boot into Safari-only mode in Mountain Lion?

In Lion, you used to be able to boot into a Safari-only mode. Where did that go in Mountain Lion?
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3answers
1k views

After updating to Lion, can't re-install Snow Leopard or Lion

Here is my situation: I have a 2010 iMac that came with a Snow Leopard disc, which I installed. Then, when Lion was released, I upgraded to it. However, yesterday, I had to erase my entire HDD ...
4
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3answers
4k views

Mac won't boot: Way to mount drive and delete one file?

My macbook is currently a brick. I added a /etc/launchctl.conf file that must be malformed. The OS now crashes even when attempting to start in safe mode: "launchd System bootstrapper has crashed: ...