Stuck on blue screen, after os x loads

Unable to get MacBook pro to move past blue screen after os x loading bar completes. Doing safe start gets me past login screen only to freeze on blue screen again. I've tried running applejack, I've tried re-starting holding down shift + ctrl + option and I've tried starting using command + d. All methods end with the same results, frozen blue screen. To make matters worse, the disc drive recently decided to crap out.

It's possible. You should make a good up to date backup before reinstalling the OS.
Do you have a friend with a Mac, and do you have an empty external hard drive? If so, you can mount your Mac's hard drive on your friend's desktop using FireWire target Disk Mode:
http://support.apple.com/kb/HT1661
You can also mount the external hard drive on your friend's Mac. Once that is done, you can use Super Duper or Carbon Copy Cloner to make an exact copy of your Mac's hard drive on the external, which will give you a good up to date backup. It should preserve everything on your hard drive including all the files.
I believe that you can use your friend's optical drive to install the OS on your boot drive, but I don't know in detail exactly how to do this.
Probably someone else on this thread could provide the details.
Good luck!

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Please carefully read Apple's Gray screen appears during startup

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Hey,
I've just installed latest updates for my OS, restarted and I'm stuck at the blue screen (with the "loading" circle in the middle).
How can I solve this?
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Did you try restarting in safe mode? I found this to work when I get a blue screen on reboot after an update.

Stuck on blue screen after re-installing OS X Panther

Ok, iTunes installation was getting stuck at 53%. So ran the Check Disk Utility from the OS X Panther CD. I got the message...
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Well, I did the pram thing. That just brought me to a gray screen with the gray apple. And that's it. What I did notice about the info on the blue screen was that it was checking for fonts. So this time, I re-installed with all of the font options checked. Waste of space, but whatever.
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After I get to the desktop, well, that's it. I click on software update and it bounces and then stops. I get into the System Prefs and click Software Updates and apparently my copy of Panther is up to date. Ya right.
So then I click Safari in the Launcher. nothing
So then I go into my hard drive/application to get to Safari. and um, nothing. Well, actually I get an endless spinning scroll wheel.
So I try the PRAM thing again. And now I am stuck at a grey screen with a grey apple!!!!!!!!!!!!!!
I am ready to break this thing in half like I did to a cell phone once.

My macbook is stuck on blue screen and won't load

Hi. Ive recently had problems with my computer. It's a white macbook and one day after I woke up it got stuck so I force turned it off. When I tried turning it on it goes to the screen with the apple logo and the spinning wheel. After a few minutes it just goes to a blue screen and nothing happens. I have a lot of work on it and I don't want to wipe the computer. Also I've tried almost everything to solve this problem but it doesn't work. Can anyone help me?

You'll have to get your device checked by visiting an Apple Store or Authorized Apple Service Provider, your problem might be hardware related.
Apple Support can also take care of that:
iPhone - Contact Support - Apple Support

Imac stuck on Blue screen after upgraded to 10.6.8 combo

Hello,
I been using imac since 2007, I started upgrading my imac this week from Tiger to Snow Leopard. I want to get mountain lion so I was doing the final upgarde from Snow Leopard 10.6.7 to 10.6.8 and it was almost completed the install when my screen went black. I shut down the computer and when it rebooted the screen stayed on blue and it's not moving. The wheel is spinning on the screen like it searching for something. I try to reboot in safe mode not doing anything. I don't have the original Tiger 10.4 disc that the iMac came with, all I have is the Snow Leopard disc that I just purchase to do the upgrade. I am stuck and I don't know what to do at this point...HELP!! Can anyone confirm if there is an issue with the Snow Leopard upgrade 10.6.8 combo. I downloaded it from the apple support site.

Hi, there is no problem with the combo10.6.8 for 99.99999% of the people.
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"Try Disk Utility
1. Insert the Mac OS X 10.6 Install disc, then restart the computer while holding the C key.
2. When your computer finishes starting up from the disc, choose Disk Utility from the Installer menu at top of the screen. (In Mac OS X 10.4 or later, you must select your language first.)
*Important: Do not click Continue in the first screen of the Installer. If you do, you must restart from the disc again to access Disk Utility.*
3. Click the First Aid tab.
4. Select your Mac OS X volume.
5. Click Repair Disk, (not Repair Permissions). Disk Utility checks and repairs the disk."
http://docs.info.apple.com/article.html?artnum=106214
If it still reboots to the blue screen, reinstall 10.6.x
Then the big 10.6.8 Combo...
http://support.apple.com/kb/DL1399
Repair Permissions afterwords, reboot.

Stuck on Blue Screen After Software Download

Hi,
I downloaded a screen dimmer app and somehow got Mac Keeper instead of the app I wanted. I deleted that and then downloaded the app I wanted but an audio commercial started playing during the installation process. The next day the computer wouldn't start up and got stuck on the blue screen. The disk checks out OK in Disk Utility. I also started in safe mode and did fsck or whatever that is. I reinstalled Snow Leopard but I am still stuck on the blue screen on start up. Please advise. Thanks in advance,
Mike

Here you go, the kid is kind of annoying but he knows what he is doing.
https://www.youtube.com/watch?v=Ik12zsab7SM

Stuck on blue screen after start up

Hey,
Today I turned on my Imac like I've done hundreds of time before, but this time the start up screen with the clock took longer than normal and then once it got to the blue screen it just sticks ther. I"ve tried to boot off my OS X 10.5 disk but when I do after awhile of in start screen with the apple logo and clock the Fan rammed out like it would in firewire transfurs. I've heard stuff about this happening after updating but it's ran normal till now. Has anyone else had this issue and have any suggestions for me
FoX

You could try this;Mac OS X: Starting up in Safe Mode.
And here is What is Safe Mode.
DALE

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Macbook doesnt startup, gets stuck at blue screen after langauges deleted

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Got a mackbook pro running Snow Leapard. I was trying to clean up some space by deleting some language files using monolingual. It started deleting english so i cancelled, and when i restarted it has the grey screen with the apple logo then goes to blue with nothing..
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Easy, read the
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Imac 8,1 does not boot stuck on blue screen

imac8,1 mid (2008) 20" stuck on blue screen after boot ,It starts in safemode, below is a list of thing i have check so far
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2 Disk utility repair (was successfull)
3 reset PRAM ,SMC
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Please closely follow Apple's advice in Gray screen appears during startup. There are a number of steps to take, be methodical and follow the directions closely.

Blue Screen After Load, No Safe Boot, No Reinstall possible. Think you can figure this one out??

MacBook Pro "Core i7" 2.2 15" Early 2011
2.2 GHz Core i7 (I7-2720QM)
Intro.
February 24, 2011
Disc.
October 24, 2011
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A1286 (EMC 2353-1*)
Family
Early 2011 15"
ID
MacBookPro8,2
RAM
4 GB
VRAM
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Optical
8X DL "SuperDrive"
Ok so i got this laptop in a few days ago here are the problems and the things i have tried. This laptop when it came to me did not have a hard drive, so obviously no OS. Upon installing a hard drive then trying to load Yosemite from a USB stick, I turn mac on, sleep light will blink 5 times then boot, Will come to normal gray screen then apple logo, will then load the OS install, but go straight to a blue screen with vertical lines. Tried different hard drive, tried different RAM sizes and speeds, tried different OS, tried CD instead. Have done numerous PRAM and SMC resets. trying Safe mode gets me a panic cpu 4 caller error then restarts. I have tried using a hard drive that had an OS already installed and will go straight to blue screen after loading. I have tried fsck -fy in single user mode. I do get that disk2s3 is write protected in single user mode, but im pretty sure that its the OS disk. I do not see a second hard drive in single user mode but i believe that because its not partitioned yet. Any ideas community?

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IMac stuck at blue screen, then finder

Hi, I've searched for the forums for this answer but haven't found anything. Sorry if this has been discussed already.
I'm a user of a 24' white iMac with 2.16 GHz, 300 GB HD. I have 4GB of RAM installed from OWC.
Early last week I started having problems with my iMac. Nothing specific, just a general slowdown and stutter in programs that should have run fine. Things like typing for 5 seconds and waiting for it to show up, scrolling in iTunes would sometimes hesitate, etc etc. The strange thing is I noticed no substantial slowdowns in heavier programs like WoW, Photoshop and Aperture.
I ran Onyx maintenance on it with no real discernible difference.
Today I returned from a weekend of non-use, and when I tried to start it up it got stuck on the blue screen after the grey startup screen. I tried a safe boot, but for whatever reason it didn't recognize my keyboard and was still extremely slow. I finally got it to boot up normally, but it didn't load any desktop items, dock, or anything else. It just showed the finder bar. I clicked on all the available bars (finder, file, edit) with no response.
Any ideas on how to go about troubleshooting this problem?
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It sounds like it might be a problem related to the hard drive, with three possibilities.
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(3) The hard drive is becoming faulty.
If you are able to start up and operate the computer, back up at least your personal data, if it is not already, before doing anything else. If the problem is (1), move or delete some data so that you have at least 10% of total capacity as free space.
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Hi, Hi, Hi I have the old MacBook Pro. Upgraded to Mountain Lion which completely wrecked the system. So downgraded to Snow Leopard. The updated the combo update. Now stuck on blue screen at start-up. Need help. Greatly appreciated. Thank you.

Hi,
I have the old MacBook Pro. Upgraded to Mountain Lion which completely wrecked the system. So downgraded to Snow Leopard.
Then updated the combo update. Now stuck on blue screen at start-up.
Need help. Greatly appreciated. Thank you.

Downgrade Lion/Mountain Lion to Snow Leopard
1. Boot from your Snow Leopard Installer Disc. After the installer
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Stuck at blue screen

It will load up after restart, passing the grey apple logo. When it looks like it's about to finish loading up Mac OSX it gets stuck at blue screen. Tried using Diskwarrior on it but it gets stuck in repair.

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You'll need a wired USB keyboard (almost any will do, but NOT the Apple aluminium model) to boot to the installer.
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Stuck on blue screen, after os x loads

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