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

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0answers
1k views

What steps can I take to recover data from a FileVault 2 encrypted boot volume that won't boot and is stuck in “converting” status?

I have a 2008 Macbook Pro running OS X 10.8 on a 500GB (upgraded from original) 1-2 year old hard drive. The drive was encrypted with FileVault2, and the system was running fine a few months ago until ...
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3answers
867 views

New Corsair ram beeping on late 2008 MacBook

I purchased Corsair RAM memory (2x4GB) CMSA8GX3M2A1066C7 from Amazon.com. According to the description it "Works with any Mac computer that supports 4GB DDR3 SODIMMs". My MacBook supports 6GB ...
2
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1answer
441 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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2answers
358 views

Lion Boot from a Flash Drive Mac

So I'm trying to load a Lion DMG onto a 16GB flash drive according to this tutorial, but I only get as far as step 9. The data starts to restore to the flash drive, but right as it gets to the end, ...
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1answer
601 views

Error “/dev/disk04 could not be mounted” when using NTFS-3G

I use NTFS-3G in order to let myself read and write to my external hard drive in the correct format. My Mac is also bootcamped with Windows 7 on the other side. Every time I startup my Mac I get an ...
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1answer
216 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?
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1answer
339 views

Will upgrading to Mountain Lion allow USB Boot?

One problem I have with my 2009 MBP running 10.6.8 Snow Leopard is that I can't boot from USB (well, I can, but only OS X in certain formats). I would really like to be able to boot linux from USB at ...
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1answer
166 views

Could trying to disable WindowsServer.plist break my iMac it will no longer start?

Forgive the long story, but I have a mix of old knowledge and unfamiliarity with Mac so I don't know what might be relevant. The tldr version is my iMac won't boot. Trying to put op an upnp server: ...
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0answers
130 views

iMac does not boot in windows 7

my iMac (iMac11,2) refuses to boot in win7. Nor from bootcamp partition, neither from win7 installation DVD. It boots without any problem into Mac OS (10.6.8), it as well boots from mac os ...
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1answer
2k views

“This version of OSX is not supported on this platform.” when booting 2012 Mac Mini with SSD drive from previous system

When trying to boot a 2012 Mac Mini (purchased from apple.com) with the SSD drive from my previous system (a 2009 MBP), I get "This version of OSX is not supported on this platform". The version of ...
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1answer
172 views

Booting internally from a harddrive that was used on a different Mac

I just bought a new Mac Mini 2012 and have just replaced the drive in it with an SSD from my old MBP. Now the Mac Mini wont boot anymore, showing a stop sign when I try (after holding alt to begin ...
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1answer
237 views

Strange Freeze on My MacBook Pro 15.4" 2.0GHZ (A1150 / MA600LL) & No Sound After Boot

I have a MacBook Pro 15" A1150 (MA600LL) that will not boot except in safe mode. It gets almost all of the way through the boot then freezes with two vertical checkerboard lines and the ...
1
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1answer
789 views

Problem Installing Lion on MacBook2,1 using USB

I have a Macbook2,1 with 4GB RAM, Intel Core 2 Duo 2GHz and Leopard 10.5.8 and I need to upgrade it to Lion. I've downloaded Lion installation dmg file and restored it to a USB disk using Disk ...
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0answers
199 views

iphone restarts on password lock screen

I have a jailbroken iPhone 4 with iOS 6.0.1. If somehow it gets shut down, I can't boot tethered. Can't use "Just Boot" in Redsn0w, because the phone needs to be shut down, but I can't make the "slide ...
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2answers
4k views

Booting from USB to install Windows 7 on Macbook Pro, Early 2011

I used Bootcamp (5.0) to create a Windows 7 install USB. It successfully created the install USB but when I reboot the system and hold down the option-key to boot from the USB drive, the boot-loader ...
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0answers
218 views

iMac hanging on startup

I've got a 2011, 21.5" iMac with a 1TB hard drive (likely Seagate, although I don't think I can check right now). After it froze, I did a cold restart by holding down the power button for a few ...
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1answer
27k views

Can't start up MacBook Pro from OS X install discs

I wanted to re-install my mid-2010 15-inch MacBook Pro (Intel Core i7 2.66 gHz 8 GB 1067 MHz DDR3 RAM) which is currently running Mac OS X 10.6.8. I inserted the retail Mac OS X 10.6 install disc, ...
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4answers
5k views

How to permanently disable (defective) graphics card in MacBook Pro?

My graphics card has malfunctioned and is preventing my MacBook Pro (2011) from booting. Based on my research I will have to otherwise have the logic board replaced. The defective ATI graphics card ...
2
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1answer
313 views

putting windows 7 on a flash drive using bootcamp

I'm thinking of changing to a new MacBook Pro 15" (the one with an 256GB SSD), 256GB is enough for my files and OS, but I also want to have about 50GB for a Windows 7 (BootCamp) partition. So, taking ...
0
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1answer
301 views

Boot Camp drivers don't always load (for Windows 7)?

Recently, I backed up my Windows 7 Boot Camp partition with Carbon Copy Cleaner before realizing that it would not be a bootable backup. Well, after some fiddling around, I made it bootable again ...
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0answers
975 views

Mountain Lion booting very slow in Macbook Pro

Hi I am using a MacBook Pro (15-inch, Mid 2010), i5 processor and 4 GB RAM. I recently updated to Mountain Lion and now it takes more than 2 minutes to boot up. Is this normal for the MacBook Pro ...
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2answers
2k views

How do I restore a Windows 7 DMG file to Boot Camp (and make it bootable)?

My iMac's HD died last week, and so I was unable to access OS X (I had a Time Machine backup of it though). Fortunately I was able to boot into the Recovery HD and use Disk Utility to backup Boot Camp ...
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1answer
2k views

Booting Windows 7 in Boot Camp shows a black screen with a blinking cursor

I am trying to restore a DMG image of a Windows 7 Boot Camp partition back to Boot Camp. (I know that I should have used Winclone, but I didn't have that option because the drive was already dying and ...
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0answers
124 views

Disable boot from CD/DVD

Is there a way to disable the boot from CD/DVD? I don't want to disable it permanently, just when it automatically checks on boot for the presence of a CD/DVD.
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1answer
105 views

Install Snow Lepard from USB

I have a clean and formatted SSD where I want to install Snow Leopard from a USB flash drive containing a OS X image from a (not the one it came with) original install-DVD. But for some reason it wont ...
0
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1answer
800 views

Why does it take so long to boot and shut down my MacBook Air?

It takes about 90 seconds to boot and shut down my MacBook Air. I have got it this year. I have checked numerous things on the Internet but they don't help at all. What do I do?
2
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1answer
1k views

2008 iMac Running OS X 10.8.2 Won't Boot

My 2008 iMac is having trouble booting—it never gets past the initial grey screen with the Apple logo and spinner. After letting it try to boot (spinner working) for upwards of 10 minutes, I'll get ...
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1answer
4k views

Repair or recover drive from recovery mode

My main HDD is failing to boot. (Neither Normal, Safe mode nor Single User). I can only boot from Recovery Mode or DVD. The scenario was the following: Computer was asleep (lid down). Lifted the ...
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1answer
147 views

Is this fun partition mess I have made fixable on the Mac OS X side?

On a MacBook Pro, a wrong decision long time ago still causing numerous problems. In a nut shell, I run bootcamp and OS X together on the same drive and the OS X stopped booting a while ago (I was ...
2
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1answer
2k views

MacBook Pro running OS X lion stuck on boot screen

My MacBook is stuck on the boot screen like this: I have tried multiple things such as launching it in safe mode and pressing some buttons as soon as the computer boot logo shows up.
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1answer
214 views

How to mute bootup sound? [duplicate]

Possible Duplicate: How do I disable or get rid of the startup sound my Mac makes? I have an old MacBook Pro (pre-unibody) running OS 10.6. I am annoyed by the traditional Macintosh bootup ...
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2answers
2k views

MacBookPro stopped booting what should I try?

My 2008 MacBook Pro suddenly stopped booting the other day and now the screen looks like this each time it attempts to boot: The boot time sound still happens, but I just see the dodgy pink with the ...
1
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2answers
2k views

How to tweak boot time by disabling apple kexts (including cryptography related ones)?

Initially, I am running OSX Mountain Lion on a mid 2010 6,2 MBP. I wanted to enhance my boot time a little, maybe by disabling some official apple kexts. Has anyone played with that, knowing which ...
2
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2answers
353 views

On/Off vs. Sleep Mode

The new retina MacBook Pro is boot so quickly that if I don't use it for even 5 minutes it doesn't make a difference to me whether I shut the computer down or sleep it. What is the best option for ...
0
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0answers
142 views

Names of bootable partitions aren't the same as the names in Disk Utility

We use external FW/USB drives as portable diagnostic and installers and even though the partitions are named and have a custom icon, they show up as "Mac OS X" with a generic USB/FW icon when option ...
3
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0answers
1k views

Macbook Pro hangs when booting into Boot Camp Windows 7

I have a 2011 Macbook Pro 15" 10.7.4 with Windows 7 installed in Boot Camp. A few days ago, I tried to boot into Windows 7 and it just froze after I selected the Boot Camp volume on the Select Drive ...
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1answer
560 views

Macbook won't boot, possibly HDD issue

I am posting this for a friend who is having this problem but obviously can't post this himself as his computer will not boot up. He started having problems after a video game crashed during online ...
3
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2answers
2k views

Boot from different drive without using Alt/Option

My 2011 27 inch iMac will not boot, it plays the startup sound and then freezes on a white screen. I am fairly confident I could fix it myself if I could get it to boot from a USB drive or external ...
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3answers
11k views

What can be done to fix a 2011 iMac that will not boot past the white screen?

I have now tried opening the iMac and removing the cables to the SSD, it still gets stuck on the white screen. I tried again, removing the cables to the HDD as well and the same thing occurs. No idea ...
1
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1answer
130 views

Boot time on Mountain Lion

I have my MacPro Quad and upgraded to Mountain Lion. I have cloned the system hard disk to bootable external HD. I have tried it and works fine. Now when I have put the external HD in the BAY I to ...
0
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1answer
844 views

BOOTCAMP HDD move - Missing operating system

A few weeks ago I put a bootcamp partition on my 320gb HDD in my mbp early 2009. However, a few days ago I bough me a 1tb hdd and exchanged it. Of course, I don't really want to re-install windows all ...
0
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1answer
81 views

Mac operating system from disc at startup

Hello everyone and thank you in advance. I have just downloaded Linux Ubuntu and put it on a disk. What i want to do is to hold C during the Mac startup so that I can choose to boot my mac through ...
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0answers
151 views

iMac 2011 spinning beach ball after login

the following is the HW profile of my iMac: Hardware Overview: Model Name: iMac Model Identifier: iMac12,1 Processor Name: Intel Core i5 Processor Speed: 2.5 GHz ...
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0answers
244 views

Mac OS X Base System interference

I have reviewed what has been written here regarding the Mac OS X Base System and I am still scratching my head. The impetus for this inquiry is how these partitions interfere with booting problem ...
2
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1answer
2k views

MacBook Cannot Boot Up - Grey Screen

My MacBook won't boot past the grey screen (white unibody MacBook 15", Intel-based, dual core). I installed an illegal copy of Snow Leopard onto my Mac (as legal copies were not available in my ...
0
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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 ...
2
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1answer
265 views

How does Apple achieve such an ultra fast boot up?

I'm a recent Mac user (MBP) and the booting time really surprises me. Within few seconds, from complete power down, the OS prompts you to log in, then the rest just flies! And even faster recovery ...
2
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1answer
171 views

Has iOS Always had Secure Boot?

In Apple's recent iOS Security paper here http://images.apple.com/ipad/business/docs/iOS_Security_May12.pdf They speak about the Secure Boot Chain, my question is has iPhones/iPods/iPads always had ...
2
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2answers
9k views

MacBook Pro flashing question mark but I can't repair because hard disk not found in disk utility

Today my MacBook showed up some wheel of death and I waited and waited and then after a long time (10 minutes) decide to force shutdown. Ok, I know its not a good idea but I've done this before and ...
6
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4answers
3k views

For a FileVault user of Mountain Lion: can I avoid the automated login, which normally follows unlock of the encrypted startup volume?

I have FileVault enabled with two users: AdminGuy OtherGuy. I want AdminGuy to: have the ability to unlock the HD, and therefore only he can enter a u/n + p/w at boot to start boot up have the ...