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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2answers
366 views

Can't login after updating software

MacOS asked me for update to EFI 2.7, I said ok. After rebooting I came up to the login screen. When I use my password for a moment I could see grey screen with mac's progress circle but then It ...
6
votes
3answers
16k views

Boot into Mac from Windows after failed Bootcamp

Don't hate on me too much for this one... I put Win8 on my Mac Mini using Bootcamp, and all was well. I switched back and forth a couple times between the two with no problems. The problem started ...
1
vote
4answers
517 views

Is the boot time of an iOS device affected by the apps that are running at shutdown?

I suspect that apps that use system services might take time to register each app in the appropriate places at startup. Is the boot time of an iOS device affected by the apps that are running at the ...
1
vote
1answer
663 views

What's the startup/reboot time for iPad (3rd generation) compared to other iOS devices?

I'd like to know, in people's personal experience so far, about how long the new iPad takes to start up (in seconds), especially when compared with other devices running iOS. For the purposes of ...
1
vote
2answers
3k views

MacBook Pro won't boot anymore after a fall

I have an old MacBook Pro (late 2006) and he won't boot anymore. He fell down the table and ever since, he's not working anymore. When I try to boot him, the hard drive and the fans starts spinning, ...
0
votes
2answers
2k views

Accesing files with Mac not booting

Is it possible, say with Lion recovery partition or any other way, to access individual files on the hard drive to copy them before reformatting it to do a clean install? It is not possible to boot ...
2
votes
2answers
1k views

2008 MacBook Pro Blinking Folder icon

I have a friend with a ~2008 MBPro which has seemingly hit the hay. I'm not 100% it's 2008, but I think so. It has magnetic power cord--the square one. Anyway, as soon as it turns on, there is the ...
2
votes
1answer
731 views

Reboots hang. Cold Starts Boot on iMac 27" i7 (Mid 2010)

I've been having a problem with my iMac i7 (mid 2010) for quite awhile. Any kind of restart from a software update, or a user selected restart, causing the iMac to get stuck on the restart gray screen ...
0
votes
2answers
2k views

Slow boot OS Lion on Macbook Pro

I have macbook pro 15.4 2011 (Core i7, 4gb, 500HDD), Lion is running on it. The annoying thing is that the boot time is too much, it takes roughly 70 to 120 seconds for machine to boot and display ...
0
votes
1answer
908 views

Used boot camp for windows - cannot select partition at boot up

I'm used boot camp and created a partition for windows. It gave the usual directions to insert windows CD. I did that and follows the installation instructions. When windows started up I inserted the ...
1
vote
1answer
192 views

Ejecting USB-Partitions on boot - works but not entirely

I have an USB drive with four partitions. SuperDuper uses these partitions to back up my mac. Since SuperDuper is scheduled, I have the USB drive constantly connected. But quite frankly the noise of ...
0
votes
4answers
3k views

Lion won't start after EFI update

I installed the new EFI update for my MBA Mid 2011 (the software updater said it is recomended). The update went fine and restarted the mac afterwards. Then while booting the apple logo turns into a ...
0
votes
0answers
642 views

How to enable root on the Lion “Recovery” boot drive?

There's a few funny things / clues here and there on the Lion recovery disk "Systems" - that indicate you can save your settings between boots. A very light smattering of persistent settings etc. ...
3
votes
2answers
582 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 appears to be completely dead and the charger is showing only a very dimmed green light

After doing a suspend I wasn't able to "revive" my early 2011 MacBook Pro. MBP does not respond to: power, long-power, SMC reset or even battery test button. the charger is showing a dimmed green ...
0
votes
0answers
103 views

Intel core 2 Duo 2GB SDRAM version 10.6.3 Not booting up

I am unable to boot from a DVD on a MacBook Pro. I need to reinstall Lion. I tried holding C and also I tried using the alt key. Using the alt key is only showing the internal hard drive as a boot ...
2
votes
0answers
386 views

Windows will not boot after a restart of my Mac Pro, only after a cold shutdown and startup

I am currently experiencing a very strange issue regarding booting into Windows 7 64-bit (installed on its own 1TB HDD). If I restart my Mac Pro, hold down the option key, and select my Windows ...
7
votes
2answers
671 views

Move complete Lion installation to another physical drive

is there a way to completely move my OSX Lion to my new SSD without reinstalling? I came from Windows and Linux to OSX and i thought maybe it is possible to simply change the bootloader config after ...
0
votes
1answer
700 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 ...
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 ...
17
votes
2answers
34k views

How do I set OS X to boot by default?

I set Windows 7 to my Boot Camp. Windows 7 starts now by default in the normal boot. However, I want that OSX boots by default and Windows 7 only as I press ALT and then select it. How can you set ...
4
votes
3answers
1k views

How do I set my mac to ask what disc I want to boot from without having to hold alt?

I can switch between OSX, Windows and a network drive, but I cannot seem to find this option anywhere.
1
vote
1answer
307 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 ...
3
votes
4answers
25k views

How can I disable Safe Boot or the Shift Key?

After a spill on the keyboard of my unibody MBP 17", the ⇧ key reports as always on. Under Windows (BootCamp) and Linux (LiveDVD) I can easily get around the problem by using an external ...
2
votes
1answer
914 views

Why can't I no longer boot into my MacBook Air?

My MacBook Air (Late 2011) hangs during startup at the Apple logo, and the spinning cursor freezes. I have booted into verbose mode and it hangs after the following messages: com.parellels.kext.vnic ...
4
votes
1answer
214 views

Mac Pro failing to boot

Two times now, over the last 3 weeks my Mac Pro is failing to boot. Once on, it stays on the blue screen with the spinning icon and never gets to the login screen. To remedy this I boot from install ...
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
1answer
823 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 ...
2
votes
4answers
2k views

Does not boot (endless spinning)

A friend of mine has forgot her password to a newly bought Macbook Pro, Lion. I've reset the password like described here by booting to single-user mode and deleting /var/db/.AppleSetupDone The Mac ...
3
votes
1answer
2k views

Diagnosing a dead MacBook Pro

Anyone got a good checklist for diagnosing the problem with a dead MacBook Pro ? I've a 15" MacBook Pro Core Two vintage machine that has suddenly stopped booting up. I can hear the Superdrive spin ...
1
vote
2answers
1k views

Jailbroken iPhone stuck on boot screen

I tried to reload Cydia, which stopped working on my jailbroken iPhone 4. I downloaded "Redsnow" and "Ipsw 4.3.2", which worked, until I went to use and downloaded an app with Cydia. I did not ...
1
vote
1answer
446 views

Unable to boot up with Snow Leopard DVD

I accidentally deleted my /bin folder. My computer is now permanently stuck at the Apple screen with an infinite spinning indicator. I have: Inserted my Snow Leopard DVD Held down c - nothing Held ...
0
votes
2answers
7k views

OS X Snow Leopard - Can't boot from HD, Target Mode or CD

Today my computer started getting really slow and freezing alot, so i rebooted. HOwever it won't boot up again, keeps getting stuck on the grey screen. Here's what i've tried: Startup in safe mode ...
0
votes
2answers
1k views

27" iMac Hangs On Reboot

I've got a 27" iMac 2.93Ghuz Intel Core i7 running 10.7.2. Anytime I reboot (like for some software updates), it gets stuck at the gray startup screen (no Apple logo). If I press and hold the power, ...
0
votes
2answers
412 views

Trouble with Memtest86 4.0a on 15" MacBook Pro

I have a 15" MacBook Pro late 2011 (MacBookPro8,2) It has a 2.4Ghz Core i7 CPU and 4GB of stock RAM. I'm trying to run Memtest86 4.0a from boot (Memtest86+ does not work.) After about 5 seconds into ...
0
votes
1answer
993 views

Command+S At Boot Doesn't Activate Single-User Mode

10.6.8. Hold down Cmd+S throughout the entire boot process. It always goes to the regular login screen and starts doing the "stop holding down buttons" chime. Why?
1
vote
1answer
3k views

Booting an Intel Mac to Linux from a U3 USB drive

Is it possible to boot an Intel Mac to Linux, or any non-OS X operating system, from the U3 partition of a USB drive? I know that because OS X uses EFI rather than BIOS for the boot process, the only ...
1
vote
4answers
3k views

Can I create a boot disk for 10.6 or 10.7 on a PC (to be used on a Mac?)

I have a Macbook Pro that had a hard drive failure, I've replaced the hard drive but I don't have a boot disk of any kind. I could just order a Snow Leopard DVD, but I have to wait a few days for ...
1
vote
1answer
1k views

iPhone 3GS switches off randomly after update to 5.0.1

I bought a used iPhone 3GS and the owner claims it worked fine with iOS 4.3.5. When I came home, I reset all content and settings on iPhone. Did I know that doing the reset would force me to upgrade ...
1
vote
2answers
2k views

MacBook Pro Mid 2009 does not boot without resetting system management control (SMC)

Today i started my macbook pro and after some seconds it stopped working (just turned). I was not able to start it again. After some apple support search I found a page that described how to reset the ...
5
votes
1answer
4k views

Is blessing the Ubuntu partition reversible in OS X?

I'm considering using Ubuntu as a main OS. So far, I've been using it in a dual boot setup with OS X. The dual boot worked by holding the ⌥ alt key upon boot (not rEFIt). Blessing the Ubuntu ...
1
vote
1answer
113 views

Is there a way to automate restarting with a different boot disk?

I have Lion and Snow Leopard installed on my machine, and I switch between them all the time (I develop for compatibility on both platforms). Going into System Preferences and selecting the startup ...
0
votes
1answer
27k views

White MacBook hangs at gray Apple screen forever, won't boot to single user, won't mount using Disk Utility. What do I do next?

After a forced shutdown, my white MacBook hangs at the gray screen with the Apple logo and an infinitely spinning progress wheel. I can boot in verbose mode, but I didn't see any particular error, ...
3
votes
2answers
298 views

Is it possible to specify a different root device to a MacOS kernel?

I have an old iBook (2003, G4) with a burnt-out harddrive. Being a poor academic, I don't want to bother with replacing the drive. I'd like to use an external USB drive in place of the harddrive. I ...
1
vote
1answer
151 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?
0
votes
2answers
358 views

How to boot my mac mini up when my iPod Touch is near?

What I'm trying to achieve is if I'm near my mac mini (10 meters) I want to press a button (or something else) on my ipod touch and than my mac mini should boot up. How could I make that? There's a ...
3
votes
1answer
409 views

MacBook Air dual boot Lion+10.6

Can a 2010 MacBook Air internal SSD be configured for the dual-boot of both Lion/10.7.x and Snow Leopard/10.6.x? If so, how much extra storage space is required for 2 boot partitions vs. one? Other ...
8
votes
2answers
3k views

How to disable single-user boot (command S)

By default, Macs are extremely insecure if somebody can get physical access, as they can simply shut it down, press the power button, hold command-S, and there, they get root access in 5 seconds. Is ...
4
votes
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 ...
3
votes
1answer
379 views

Mac Book Pro 3,1 uneven startup behavior - sometimes start between 5min to 30min after pushing power button

First of all my Mac Book Pro wont start up after going to sleep mode - all black screen etc. When i choose power down from the menu - well it doesnt power down completely - the harddrive is still ...