Stuck at blue screen after reboot

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?
Thanks!

Did you try restarting in safe mode? I found this to work when I get a blue screen on reboot after an update.

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Security Suite Blue Screen after reboot

I am a new customer for verizon fios and have installed/uninstalled the security suite several times. I am using Windows XP. I get the blue screen after reboot no matter what I do. It goes away as soon as I uinstall or choose last known good windows install (using F8 key during reboot). Is there a known issue.

#1 On the blue screen, was their text?
#2 If so, what did it say?
#3 Make sure that you do have another software firewall installed (other than one built into Windows).
b) But the one in Windows, you should disable.
#4 Make sure that you do have another anti-virus program installed.
If you are the original poster (OP) and your issue is solved, please remember to click the "Solution?" button so that others can more easily find it. If anyone has been helpful to you, please show your appreciation by clicking the "Kudos" button.

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Please carefully read Apple's Gray screen appears during startup

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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
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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.
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Stuck at grey screen after reboot

I seem to be stuck at the grey screen after a reboot of my server. Here are the symptoms and I'm wondering if anyone has experienced them before or has some idea of where to look:
1) Over the last couple of weeks, I've noticed the entire system freezing up for 10-20 seconds. The spinning pinwheel pops up and when my office is really quite, it sounds like either a fan is starting on the system or a hard drive is spinning up. Note that I've turned off all 'spin drives down when possible' in energy savings.
2) After the 10-20 seconds, a bunch of disk activity occurs and everything goes back to normal.
I've tried repairing permissions, checking for errors with the drive, etc. I've got two drives striped in Raid 0 (yes, the system is backed up--so I'm not worried about loosing data).
After a recent software update, I had to reboot it, and that's where it got stuck. Could be something there for some time, but my server usually runs for months at a time, unless an update requires a reboot.
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Could you be more specific about what disks you used to boot with and exactly what programs you ran...
I cannot seem to get it to boot from the "Admin Tools" disk using the "D" key.
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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.

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Do NOT attempt to use a Tiger/10.4 Disc to repair anything even if you had one.
"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.

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Ok, iTunes installation was getting stuck at 53%. So ran the Check Disk Utility from the OS X Panther CD. I got the message...
So then I decided to do a clean install of OS X Panther. I thought all was going well until now. My ibook is stuck on this blue screen with a rotating colorwheel mouse cursor. It eventually turns into an arrow but then goes back to a colorwheel...
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Here are the details of my iBook...
M8602LL/A
http://support.apple.com/specs/ibook/iBook16VRAM.html
Thank you
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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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I am ready to break this thing in half like I did to a cell phone once.

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Hello:
I posted this on other forums without any responses, so hopefully, I can get some help here.
On Sunday, I emptied my cache on Safari and my computer stayed frozen for a few minutes. I decided to re-boot, but every time I do so, it goes from the gray Apple screen to a blue screen and stops right there. I don't get the spinning wheel, but rather the black arrow that I can move about the blue screen, but nothing else. Here's what I've tried with no success.
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As a point of reference, here is a sample of the errors that were discovered during repair disk.
Volume file Count
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Volume Directory Count
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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

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

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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
Restoring OS X 10.5 10.6. 10.7 - simple overwrite OS method
proceedure here
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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.

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Stuck at blue screen after reboot

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