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

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0
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0answers
308 views

SSD only boots from USB adapter

I would like to know if anyone has an idea or suggestion to what's happening on my SSD. I was using Lion on my Vertex 3 SSD 240GB - MacBook Pro (early 2011 model) and everything was running well ...
1
vote
0answers
203 views

Boot into Legacy HD option rEFIt

I just synced my rEFIt partition tool and now I get an option to boot from legacy HD when at the moment the only bootable disk is that cotaining Mac OS X. Has anyone got any idea of how I can get rid ...
2
votes
1answer
5k views

How do I install Linux on an Intel iMac with no OS nor CD drive

What I want: Linux on an Intel iMac (Core Duo). What I have: An empty PC (17" Intel iMac) with broken CD drive. It's model A1173. This PC with Ubuntu 12.04 and an old Windows Vista partition. a ...
2
votes
2answers
988 views

After System Update last night, the system will not boot with IOPlatformExpert.cpp:1504 error

I have had Lion for a 2, 3 months on the iMac 27 inch purchased last October (2011). Last night I chose to update the system, and deselected iMoves update because it was 1GB, and chose only 4 ...
1
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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
2answers
115 views

Are “Extensions” something that disappeared many Mac OS versions ago?

On a sheet of Mac keyboard shortcuts for booting, one of them says, "hold down shift while booting and the computer will not load login items or extensions". Am I wrong, or are Mac OS "extensions" ...
2
votes
5answers
5k views

In OS X 10.6 how do you mount an AFP share at boot or before user login?

Is there a way to mount an AFP share at boot so it is accessible to the system without a user logged in? I would like to run scripts via SSH or as a daemon on boot that check files on my AFP share. ...
3
votes
1answer
12k views

How can I make a bootable Windows 7 usb in OSX Lion?

I want to make a bootable Windows 7 USB in OS X Lion. How can I do that?
2
votes
1answer
877 views

How can I fix my GPT?

I just migrated from a 120 GB SSD drive to a 600 GB SSD drive. As I was lazy and didn't want to reinstall Mac OS X (Lion), I chose the following migration path: I created at GPT on the 600 GB target ...
2
votes
2answers
3k views

MacBook Pro (Lion) won't boot anymore

My MacBook Pro won't start up anymore. Here are the symptoms: displays only folder with question mark icon on startup when boot from Lion installation disk the disk utility program crashes. when i ...
0
votes
1answer
475 views

Unable to boot into 10.4 installation disc

I'm attempting to fix my friends old iMac G5 running OSX 10.4. There are a bunch of updates she needs, but she doesn't know her admin password. I'm attempting to reset it with her 10.4 install disc, ...
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 ...
4
votes
3answers
1k views

How to create a bootable USB drive for Disk Utility?

Disk Utility says my boot drive need repair. Unfortunately my DVD drive is toast, so I can't boot from the install DVD and make the repair. Is there a way I can create a bootable USB drive and ...
1
vote
3answers
9k views

Troubleshooting MacBook Air boot issues

I have a late-2010 MacBook Air (11inch, 3,1), running Snow Leopard. I hadn't run software update in a month or two, so I plugged it into the wall and ran software update last night. Unfortunately, ...
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 ...
2
votes
5answers
732 views

How can I install OS X Lion on a new HDD?

I need OS X Lion on a new HDD that I am preparing to install in a MacBook. Since I don't have an existing disk to boot up and Apple isn't selling flash drives with it (or are they?), how do I use it ...
2
votes
1answer
1k views

What can slow down/How can I speed up the pre-kernel boot steps?

I've got a late 2007 Macbook Pro with 4 GB of RAM and an SSD. I am running Boot Camp and have an OptiBay. I have partitioned the SSD and secondary drive to devote half of each to Lion and half to ...
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 ...
0
votes
1answer
540 views

Why can I boot into the recovery partition without entering a password even though I have FileVault 2 with full-disk-encryption enabled?

Apple has released this support document for FileVault 2 in Lion which says: FileVault 2 uses full disk, XTS-AES 128 encryption to help keep your data secure. With FileVault 2 you can encrypt the ...
2
votes
1answer
438 views

Restored from Time Machine, no boot

I restored from a Time Machine backup onto a new HDD, this was using a disc with OS X Lion Upon boot, in verbose mode, the text hangs after initpool: offset = 0x08000000 size = 0x0800000. I would be ...
2
votes
1answer
892 views

MacBook Pro 2010 won't boot after EFI upgrade

I have updated my MacBook Pro (Core i5, early 2010) with system update to new EFI version, and now after startup it just shows the gray screen and doesen't react on keyboard (just plays the boot ...
3
votes
1answer
1k views

How do I boot into the EFI firmware shell?

I'd like to experiment with the EFI shell on a MacBook Pro 2010 model. I am unable to find the keyboard sequence to hold on boot. Does someone know what the sequence is, do I need to boot from my ...
5
votes
1answer
184 views

Is this possible? Prevent Live-Linux from booting and grabbing your files without encrypting your disc?

I am a medium-experienced Power User with knowledge about most of the stuff (studying this since two years) and I know something about how Linux and Windows work; I have screwed up countless ...
3
votes
2answers
291 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
2answers
359 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
4answers
6k views

How can I change the title of a boot image?

I have an external Hard Drive with two bootable partitions on it. The first is an image of a Mac OS X 10.6 Install DVD, and the second is an image of a Mac OS X 10.6.3 Install DVD. When I plug the ...
1
vote
4answers
488 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
632 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
2k 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
932 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
677 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
876 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
190 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
620 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. ...
0
votes
2answers
258 views

2008/9 Mac Pro wont turn on, front pannel LED is constant white

My mac pro doesn't want to start up. I purchased some new memory installed it (and cleaned up some of the dust on the inside of the box) and now the machine won't boot up. I get a constant white ...
0
votes
0answers
102 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
375 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
667 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 ...
1
vote
2answers
973 views

New hard drive not recognized

I swapped the original 80 GB hard drive for a new 640 GB Samsung HM64JI hard drive. It is not recognized after booting from the 10.5 Installation DVD on Macbook 2.1 with recent EFI updates installed. ...
3
votes
2answers
2k views

How can I fix permission issue when I cannot start Mac OS X?

I was creating a guest account and to prevent it from accessing the Macintosh HD as in other applications and stuff I assigned it as in "No Access" When I switched to the guest account everything ...
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.
10
votes
4answers
35k views

How do I make a bootable USB flash drive for a MacBook Air?

Does anyone have a Terminal command-line recipe for making a new bootable USB flash drive for one of the new MacBook Air's? Is there a way to dd copy the USB boot device that comes in the box and ...
2
votes
3answers
5k views

How can I reset the PRAM if Recovery Mode keeps overriding the PRAM command?

Lion uses the ⌘ + R to boot into recovery mode. Resetting the PRAM in anything less than 10.7 was ⌘ + ⌥ + P + R. Recovery mode now seems to override the PRAM command. Does anyone ...
2
votes
1answer
856 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
211 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 ...
3
votes
1answer
1k 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
3answers
866 views

Macbook (2,1) boots into blue screen and hangs

Last night, I shut down my computer. When I turned it back on, I just got the rEFIt logo (I have rEFIt installed). Usually, it takes a moment to populate the menu with a list of bootable devices, but ...