Tagged Questions

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

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1
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1answer
117 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 ...
0
votes
0answers
158 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 ...
1
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2answers
35k 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 ...
1
vote
1answer
5k 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 ...
0
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1answer
2k 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 ...
0
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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
votes
1answer
365 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 ...
0
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2answers
1k 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 ...
0
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0answers
831 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 ...
2
votes
1answer
618 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
votes
1answer
512 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 ...
0
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0answers
68 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 ...
0
votes
0answers
270 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%, ...
4
votes
2answers
5k 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 ...
2
votes
1answer
42 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 ...
0
votes
1answer
194 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 ...
0
votes
1answer
161 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 ...
2
votes
0answers
126 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 ...
-2
votes
2answers
377 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 ...
1
vote
1answer
309 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 ...
2
votes
0answers
2k views

MacBook does not list my bootable USB stick in the boot menu

I made a bootable usb stick with OSX Lion. When starting up my MacMini (which has OSX Mountain Lion installed) while holding option, the USB stick is listed and I can boot from it. But I want to use ...
0
votes
1answer
59 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 ...
0
votes
1answer
574 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 ...
0
votes
0answers
157 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 ...
3
votes
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 ...
1
vote
1answer
679 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 ...
0
votes
0answers
428 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 ...
3
votes
3answers
2k views

Installation stuck at grey boot screen on Macbook Pro 4,1 (Early 2008)

I would appreciate any help you guys can give me since I would really like to upgrade my laptop to Mountain Lion. Computer: Macbook Pro 17" 4,1 (Early 2008) RAM: 4 GB RAM Hard drive: 128 SSD Hard ...
1
vote
2answers
995 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 ...
5
votes
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
votes
3answers
892 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 ...
1
vote
3answers
1k views

How to enter boot menu without command key?

My Macbook air has a keyboard issue, the Z key does not work except upon startup where it becomes stuck for several seconds. This interferes with opening the boot menu on startup, because it detects ...
0
votes
1answer
2k views

Mac Pro: Kernel panic during HDD boot and DVD boot

I have a 2007 Mac Pro (OS X Tiger 10.4.11) that cannot boot up anymore since a few days. I see the grey screen with the apple logo and the rotating circle. After a minute or so I get a kernel panic. ...
0
votes
1answer
252 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 ...
3
votes
2answers
3k views

Macbook Air not waking up from Suspend/Sleep with rEFInd boot manager installed

Having installed both rEFInd 0.6.10 (updated to 0.6.11) via its install.sh and Ubuntu 13.04 on another partition I can now choose on a MacBook Air to boot either MacOS or Linux. When running MacOS ...
1
vote
1answer
142 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?
1
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2answers
5k views

Macbookpro can't recognize bootable usb at boot time?

I have an old macbookpro: Model Name: MacBook Pro Model Identifier: MacBookPro6,2 Processor Name: Intel Core i5 Processor Speed: 2.53 GHz Boot ROM Version: MBP61.0057.B0F I created a ...
0
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2answers
3k views

Macbook pro boot with kernel panic - can't perform kext scan

I was trying to swap command and option key for my external keyboard following the instruction in http://hints.macworld.com/article.php?story=20110529094802391. When I'm done with change and I ...
0
votes
1answer
865 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 ...
1
vote
1answer
748 views

Can I “restore” an iso image to my hdd to be bootable?

I removed my superdrive a while back but now I want to install a linux partition on my macbook. I installed rEFInd as my boot manager but now I need to boot into the arch linux iso. Normally I would ...
1
vote
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 ...
0
votes
2answers
1k views

Macbook Pro not Starting

I have a MacBook Pro and from the last week I have been unable to turn the machine on properly. First it displays the Apple logo and shows this message I've done a lot of research and tried things ...
4
votes
1answer
1k views

Macbook Pro Early 2011 15 inch, Mountain Lion Booting issue

My Macbook Pro is not booting normally. I tried many options but no success. If I try to recovery mode or try to boot from USB, a blue screen appears. So I can't do fresh install. I checked hardware ...
0
votes
1answer
112 views

MacBook Pro Sluggish boot

My MacBookPro has been extremely slow at the startup. Is there something similar to Window's System Registry that I can see all the boot files and uncheck what I don't need? I'm running Mac OS X ...
0
votes
3answers
2k views

Fix slow startup after utility disk repair on a SSD

I have a 250Gb Samsung SSD 840 series with Trim support enabled installed on a mid-2009 13" Macbook pro running Snow Leopard (10.6.8, 2.26GHz, 8Gb of RAM) and I experience extremely slow startup after ...
1
vote
1answer
11k views

How do I get into boot options with a non-mac keyboard?

I boot my mac mini, hold down alt on my non-mac keyboard, but it does not go to boot options. How do I get to boot options with a non-mac keyboard then?
-1
votes
2answers
2k views

iPhone 4 Restore loop 6.1.2

OK so the other day I tried to restore my iPhone while it was jail broken on ios 6.1.2. Well it was a terrible idea.... NEVER DO IT. any way i have worked on trying to restore it back to normal but it ...
0
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1answer
2k views

Dmesg shows no timestamp

The sudo dmesg command works fine, but shows no timestamp. Is there any way to get it to show the timestamps as well?
4
votes
1answer
710 views

How can I tell OSX NOT to mount some of the drives in my computer?

I have a Mac with a Windows drive that I occasionally boot to. Most of the time, I'm using the Mac, and the Windows disk always mounts and shows up on the desktop. I would like to keep it from showing ...
0
votes
1answer
2k views

MacBook Pro only stays on for less than a minute

This morning when I woke up my computer it turned off itself. Now it won't stay on for more than a couple minutes. The computer will boot up normally, but soon it turns off again. When it turns off, I ...