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

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2
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2answers
6k views

Ubuntu bootable USB drive does not show up as bootable

I tried to make a bootable Ubuntu installation USB drive accordning to these instructions. However, when the procedure is finished, the USB drive does not show up in the "Startup Manager", nor does ...
0
votes
1answer
343 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 ...
0
votes
1answer
215 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: ...
1
vote
0answers
148 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 ...
1
vote
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 ...
1
vote
1answer
181 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 ...
2
votes
1answer
6k views

Stop-sign after boot and “Still waiting for root device”

Need some advice regarding a problem starting up my Mac Mini (mid 2011). The other day I was browsing websites when the machine froze with the spinning beachball. So I was forced to power off/on my ...
1
vote
0answers
207 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 ...
2
votes
1answer
848 views

How can I install Debian on a PowerBook G3 with Mac OS 9.2?

Today I started installing Debian Linux on an old Macintosh PowerBook G3 with Mac OS 9.2. After a long time of backing up old documents I erased the whole disk. At the end I just want Debian ...
1
vote
0answers
254 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 ...
3
votes
2answers
585 views

Help diagnose errors on MacBook that will not boot

I have a MacBook which won't boot beyond the grey screen / Apple logo. With some key combo (can't remember what I did!) I managed to get a black screen with text output - see image. Can anyone offer ...
2
votes
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.
1
vote
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
votes
1answer
341 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
votes
1answer
350 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 ...
2
votes
3answers
7k views

Macbook Pro (Late 2011) Bootcamp and USB boot questions

I have a Macbook Pro with an OWC DataDoubler drive caddy replacing the Superdrive (installed at an Apple premium reseller, when I bought it, so I can still have my warranty). The main drive slot has ...
0
votes
0answers
1k 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 ...
1
vote
0answers
170 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.
0
votes
1answer
116 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
votes
1answer
982 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
votes
1answer
2k 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 ...
1
vote
1answer
5k 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 ...
1
vote
1answer
174 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 ...
3
votes
1answer
357 views

How to set up an iMac not to look for USB Flash drive info during boot up?

Short question: is there a way to disable an iMac's USB Flash Drive boot up so that boot up time is faster? Details: My iMac has an external USB hub, and it has 3, 4 or sometimes 6 or 7 USB Flash ...
0
votes
2answers
1k views

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 ...
1
vote
1answer
239 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 ...
2
votes
2answers
413 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
votes
1answer
960 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 ...
3
votes
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 ...
0
votes
0answers
149 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 ...
1
vote
0answers
168 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 ...
4
votes
5answers
11k views

MacBook Air has suddenly become very slow at booting and shutdown

I have a Late 2010 MacBook Air, and it has a 256 GB SSD, 2.13 GHz processor, and 4 GB RAM. It has been lightning fast ever since I bought it and I upgraded to OS X Lion and it was super fast. Boot ...
2
votes
2answers
7k views

Boot from USB on MacBook 1.1 (early 2007)

I’m trying to install Windows 8 from USB on my MacBook 1.1 (early 2007). I have tried booting using rEFIt (on 10.6): Partition my USB key as MBR: the Windows 8 logo fish stays stuck forever. ...
0
votes
2answers
4k views

How can I boot a 2012 Mac Mini off of a USB thumbdrive with CentOS on it?

I have a 2012 Mac Mini running OS X 10.7.3. On another PC, I have created a USB boot disc with CentOS 6.2 on it. The goal was to install CentOS onto the Mini. The USB drive is MBR partitioned and ...
1
vote
1answer
134 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 ...
2
votes
1answer
7k views

How do I boot my MacBook Air running Lion in safe mode?

I follow the instructions in http://support.apple.com/kb/ht1455 to boot in Safe Mode, but it appears something different happens with Lion. After holding the shift key when hearing the startup tone, ...
3
votes
2answers
963 views

Security hole in firmware password by installing another boot loader?

I set up a firmware password on my MacBook. One thing I don't understand is how I can install a tool such as rEFIt, and effectively bypass the entire firmware password (i.e. installing it never asked ...
0
votes
1answer
84 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 ...
1
vote
1answer
154 views

Help with kernel boot message

I recently turned on my iMac (White intel) to find it wouldn't boot. Running the boot in verbose mode I get the following message: Does anyone know what this means? Is it a hard disk error?
2
votes
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
votes
0answers
252 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
votes
1answer
367 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
votes
1answer
222 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 ...
6
votes
5answers
3k views

How can I boot to Safari Only (Chromebook style) in Lion?

How can I boot safari only in Mac OSX Lion Chrome OS style? I heard that there was a key that one had to hold at startup, which one is it?
3
votes
1answer
2k views

How do I prevent automatic mounting of all the partitions on a flash drive?

I have a flash drive that I use for various diagnostics on macs. Most of the partitions on the drive are accessible by holding down the option key on boot. I also have one extra partition that is not ...
1
vote
1answer
309 views

Restoring a Boot Camp image with Windows 7 and making it bootable?

I have an image of Boot Camp with Windows 7, which was created by Carbon Copy Cleaner. I didn't realize that the image wasn't bootable until I had already deleted the partition. I'd like to restore ...
0
votes
1answer
213 views

How do I show a partition created gParted while booting my Mac?

I have a Mac Mini mid 2011, 500GB HDD with dual boot Windows 7. I tried prepping this drive so that i can clone it to a smaller 240GB SSD using gParted from this tutorial. Now when I boot holding ...
1
vote
1answer
223 views

Regular Boot System Unresponsive

My computer was working fine until last night when I restarted. When the computer booted up and I logged into my account, I suddenly got the beachball whenever I tried to open an application. For ...
2
votes
1answer
189 views

Using OS X Lion on a main SL mac - use USB key instead of partition?

I need some advice. I am new and non-techy so please could you help me on a simplified level. I am running Snow Leopard on my Mac which I am happy with. I will upgrade to Mountain Lion later but I ...
0
votes
1answer
476 views

Is there a way to burn a Lion installation DVD-R from a new Mac mini or Macbook Pro?

I got a new Mac mini and Macbook Pro, and hope to burn a Lion installation DVD-R if it needs to be used in the future. But I searched for any file greater than 1GB on the hard drive and didn't find ...