MacBook Pro :: Not Booting Running Lion - Gray Screen?

May 22, 2012

MacBook Pro running Lion won't boot. Grey screen with universal no sign (circle with slash through it).

Info:
MacBook Pro, Mac OS X (10.7.4)

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MacBook Pro :: Stuck On Gray Screen When Booting Up

Apr 14, 2012

When booting up on my Mac Book Pro side it gets stuck on a gray screen and wont boot even when in safe mode. I have cleared the P/Ram and still have acces to the partioned windows side on the same computer. How should I procede to get my Mac OS running again.

Info:
MacBook Pro

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MacBook :: Stopped Booting / Apple Disappear / Get Stuck In A Gray Screen

Sep 2, 2014

i have a macbook pro 15' late 2011 and it stopped booting. The apple disappear and the. It get stuck in a gray screen.I saw on the web that it would be possible to apply a software fix, disabling the video card. IN my country a new macbook is about 3.000 usd, so buying a new one is not an option for me. 

Info:
MacBook Pro, OS X Mavericks (10.9.4), Macbook pro late 2011 15'

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IMac :: Stuck On Gray Screen - Not Booting At All

Mar 29, 2010

I started up my 24" iMac today and it just got stuck on the grey screen before the apple logo appears. I reset the PRAM and I tried using the OSX disc and holding down C. I got to the disk utility and it freezes. I am stuck using my bottom of the line laptop untill I can work around this.

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Software :: Stuck At Gray Screen While Booting

Jun 26, 2010

I just purchased Windows 7 to dual-boot on my brand new 2010 MBP. After I installed Windows 7, I inserted my MacOSX Snow Leopard install DVD so I could install the drivers. A message came up saying "This installation isn't compatible with this computer". So I restarted my computer and when it was booting up it gets stuck at the grey screen with the apple logo and rotating wheel. After a while a grey curtain comes down with a Power Icon in the background and a window saying "You must restart your computer" in a variety in languages. I tried restarting and the same screen comes up every time. I've tried all the boot key commands such as holding shift. But each time it doesn't recognize it and proceeds to the grey screen of death. I'm completely stuck here and need help ASAP. I would like to do a hard reset on my MBP, but I can't since I can't boot to MacOSX and when I boot to Windows 7, it runs for about 2 minutes and completely freezes, causing me to force restart.

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Software :: IMac Not Booting - Restart Message On Gray Screen

Dec 1, 2005

I just bought a iMac M5521 from a friend and it won't boot. It looks like it's about to start up and then it goes to a gray screen and tells me to press the reset button or hold the power button, and it says that in like 3 diff. languages. What do I do? I'm a PC guy and know nothing about Macs.

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Software :: Stopped Booting - Gray Screen - Restart Computer

Jan 22, 2010

my dual 2.3 ghz G5 power mac with 3.5 gig memory running 10.4.11 started crashing (grey screen "you must restart your computer...) and soon stopped booting. suspecting the hard drive as it had been noisy for some time I ran "repair disk" in disk utility from my mac book (connected by firewire, G5 booted as target) and it booted again but soon crashed again and after a couple more crashes it would not boot and attempts to repair failed. I installed a brand new hard drive, installed osx 10.5 and updated it to 10.5.8 and it seemed to install and boot fine but while trying to burn a .dmg dvd with toast (10.0.5) I got the grey screen anain and repeated attempts to burn a disc with the same .dmg resulted in a crash every time. it has also crashed while downloading, playing back itunes hd video, and using an "eye tv hybrid" tv tuner as a dvr. below is the most recent crash log - note that most of them have referenced cpu 0 although the most recent it's cpu 1 -THANX & PLEASE HELPInterval Since Last Panic Report: 0 sec Panics Since Last Report: Anonymous 4A58CF1E-844-409F-8BF3-65A3A3CD2E79.......

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PowerPC :: IBook G4 Booting - Gray Screen With Apple Turning Gear Comes On Start Up

Dec 30, 2008

A friend of mine brought over his 14" iBook G4, 1.33GHz, 60GB HDD and 1.25 GB RAM. The problem with it is that upon start-up, the grey screen with the apple/turning gear comes up, then after a few moments a blue screen will appear, though no box showing the start-up process. I've run a few basic diagnostics on this, including the lovely disk utility (which did nothing), I've run fsck, zapped the PRAM, etc, no success as of yet. At one point, I received a screen with alternating folders, one showing the smiley mac face, the other folder with a flashing "?". I cannot replicate this for the life of me. I have attempted to acquire files via TDM, though am not able to see the hard drive despite using 2 different laptops. Possibly the firewire cable itself is spent, though it's brand new! Here is where I become increasingly frustrated: I ask my friend for the boot disks as the ones for my own 12" iBook don't work (for whatever reason). He tells me that he loaded Leopard this summer (currently running 10.5.2, no updates loaded since), then proceeds to bring over boot discs for a MacBook...:headdesk: To begin with, it seemed like the HDD was fried, however, after running disk utility (and not hearing any negative sounds), it does appear that the HDD is fine. I'm thinking a kernel panic, though not sure how to resolve these.

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OS X :: System Running Very Slow / Hangs At Gray Screen Ion Startup

Jan 29, 2010

Macbook Air, Rev A. Worked like a charm for 1.5 years.Upgraded to a Rev c SSD and gave the Rev A to the wife.She installed NOTHING.Within a few weeks it started running VERY slow. I'm talking 2 minutes of beach ball per click.I use Disk Utility to check the drive. No problems of any kind.

Rebooting would take -- and I'm not exaggerating -- over an hour. First it would sit with a grey screen for 5 minutes. Then with an apple logo for 10 more. Then with the little spinning circle for 30. Then the desktop background would show up and sit for 20 minutes, etc.

Was gonna upgrade to Snow Leopard so what the heck, backed it all up and installed Snow Leopard. To my surprise, it instaled Snow Leopard on top of the old OS -- it kept all the files around so no need to restore from backup.

Speed problem SOLVED!Then a few weeks later the same problems.This time I check the drive AND run the hardware test. No problems.I ERASED the entire drive. I installed Snow Leopard.All is good for a few weeks.Then the problem came back a 3rd time.

I go to reinstall a 3rd time and Snow Leopard doesn't even acknowledge that there's a hard drive in the machine! And when I look in system profiler it says there's no drive of any sort. Yet it will reboot and run... just VERRRRRYYYY slowly.

I'm ready to replace the drive with a Runcore SSD or some such other device but I want to be sure the problem is the drive and not some other aspect of the hardware (motherboard, RAM, etc.)Anyone ever seen this? Anyone have any ideas as to how to investigate, solve, conquer, save myself from madness??

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OS X V10.7 Lion :: Gray Screen Appears During Startup On MacBook Pro

May 7, 2012

I still have the appearance of the gray screen after performing all the solutions provided by apple support.†What shall I do now?

Info:
MacBook Pro, Mac OS X (10.7.3)

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MacBook :: Only Gray Screen Displaying When Turned On After Installing Lion

Apr 14, 2012

I previously installed lion os x on my macbook which was a snow leopard. When I then turn it on, it shows the grey screen and stays there forever nothing happens.

Info:
MacBook, Mac OS X (10.7)

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OS X V10.7 Lion :: MacBook Suddenly Won't Progress Past Gray Screen

Apr 28, 2012

My macbook suddenly won't progress past the grey screen and the spinning gear. I have tried the procedures listed in one of the support documents, although I note they don't include OSX10.7 which I am running. I got to the part where it says try your system disk, problem is, I purchased through App store.†I'm guessing at this stage I should have created an emergency boot disk.

Info:
iPhone 4, iOS 4.3.3

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OS X :: Mac Mini Won't Boot / Getting Gray Screen With The Gray Apple Logo

May 8, 2007

Unfortunately I bumped the switch on the power strip that my Mac Mini (1.42ghz G4, OS X 10.3) is plugged into while it was running. Now it won't boot up. All I get is the gray screen with the gray apple logo and the spinning wheel but no OSX.

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Intel Mac :: Gray Dots Onscreen When Booting?

Jun 3, 2012

Display has black lines when turning on

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OS X V10.7 Lion :: Gray Screen Appears During Startup

May 3, 2012

I have installed smartvoip app, i cant to sign in, but when i connect to my univeristy net it is working but when i come to my hostel it doesn't work, it says server timeout, try again later.

Info:MacBookPro, Mac OS X (10.7.3), smatvoip

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OS X V10.7 Lion :: Gray Screen Of Death On Shutdown After Upgrade

Apr 5, 2012

Today I upgraded a MacBook Pro from 10.6 to 10.7.3 and every time I try to shut it down or reboot it will go to the gray screen of death and ask to be powered down manually. On reboot it gives an error report.

Here it is:
Interval Since Last Panic Report: 2344 sec
Panics Since Last Report: 8
Anonymous UUID:†731B3211-37FB-4C90-9D90-C15739B5E84C
Thu Apr 5 17:26:25 2012 .....

I've tried to verify/fix permissions/disk but that didn't work. I even reinstalled Lion, but not from a fresh install. I'm trying to avoid a fresh install as this machine is used by many different people and it would be a pain to reinstall everything that is currently installed on it. This machine does have Deep Freeze installed. Could this be related to the issue? Even though the kernel panics on shutdown/reboot Deep Freeze is still able to save it's changes and boot thawed or frozen. Conversely, I have also tried to run a thunderbolt stability update and it can not complete due to the kernel panic.

Info:
MacBook Pro, Mac OS X (10.7.3)

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PowerPC :: IBook Booting - Gray Overlay With With Little Box Saying To Restart System

Apr 6, 2008

I started up my iBook today and it took me all the way through sign-in to my desktop before giving me a grey overlay with a little box saying that I need to restart. So I did and then it took me to my desktop again before scrolling code across the screen in a very messy, un-mac-like way. I tried getting into safe boot (restarting and pressing shift from after the tone until the apple and wheel show up) and it just ran the apple and wheel grey start-up screen for a while before kicking back into a normal restart and giving me the earlier results. So I went and got myself into single-user mode and ran the fsck -yf command. It told me this: Checking Catalog file Invalid extent entry (4, 190) Volume check failed Is there any way to fix this, to save my computer? I don't know anything about code or computers. My general mode of operation has been "I bought a /mac/. I shouldn't ever have to look at code."

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OS X V10.7 Lion :: Mac Mini Boots To Gray Screen With Apple Logo?

Feb 27, 2012

Mac mini with 10.7 boots to grey screen with apple logo? Any way to overcome this?

Info:
Mac mini, Mac OS X (10.7.3), new machine

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OS X V10.7 Lion :: Entered In Fullscreen Mode Is Displayed The Gray Screen?

Apr 28, 2012

When entered in fullscreen mode is displayed the gray screen (in all application), that it is dislocated from the left for the right, how change it?

Info:
MacBook, Mac OS X (10.7), For all version of Lion

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OS X V10.7 Lion :: After 10.7.4 Update IMac Stuck On Gray Apple Screen

May 9, 2012

While updating my imac, I got an error message saying that there is an error. And then it restarted by itself. Now its stuck on the loading screen.

Info:
iMac

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OS X Mountain Lion :: A Gray Snowflake Pattern On Display Screen?

Dec 7, 2014

Am getting a gray snowflake pattern on display screen (using older Mac pro). Did something fail in computer or is this a hacking job? Right now I'm using another MAC to send this.

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OS X V10.7 Lion :: Gray Screen After Restart - Permission Errors In Disk Utility

May 10, 2012

In fact I'm getting a grey screen when I just try to restart. Have run Disk Utility (which always finds Permissions errors - even though it appears to make repairs. Also, after erasing my hard disk and recovering my user data from Time Capsule).†When I restart I don't get beyond a grey screen (with moving cursor). I can't install the update as obviously I need to restart in order to start the install process.

Info:
iMac (27-inch Mid 2010), Mac OS X (10.7.3)

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OS X Mountain Lion :: IMac Will Startup To Gray Screen With Apple Logo And Progress Bar

Dec 6, 2014

IT does this every time, but when I do command and r or other such keyboard commands, it goes I the recovery pahe with no problem. Whenever I tried erasing the iMac to reset it, it said the disk was locked.

Info:
iMac, OS X Mountain Lion (10.8.5), April 2008 model

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MacBook Pro :: Randomly Revert To Home Screen Running Lion 10.7.5?

Aug 29, 2014

Macbook pro running lion 10.7.5.  

Every 8 or 9 minutes my mac seems to move me from whatever I am doing and takes me to the home screen. How can I stop this from happening?

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OS X :: Booting In 32-bit And 64-bit Mode Running 10.6.4

Nov 7, 2010

I am on 10.6.4. I have learned that I can boot up in 32-bit mode by holding down the 3 and 2 keys while starting up. Is reverting back to 64-bit mode as easy as holding down the 6 and 4 key? If not, then what?

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OS X :: G5 IMac Not Booting At All Running 10.4.11

Dec 24, 2009

Have a G5 iMac (non Intel) that was running OS 10.4.11 that now won't boot. I get the chime and the Apple then blue screen where it hangs. It won't even boot from an install CD/DVD (same routine) to blue screen. I had wanted to do an archive and reinstall but couldn't get the disk to boot. I have been able to Safe Boot and view files. In Safe Boot, I've verified the hard drive (no problems detected) and Repaired Privileges, but still won't boot (blue Screen). I've tried an install disk with same result (no boot and blue screen).

I've hooked the G5 to another G5 iMac, booted the bad G5 in Target Mode. The hard drive appears on the second G5s desktop. Using CCC have cloned the hard drive to an external hard drive (now have a backup of I don't know what. During the cloning, Norton AntiVirus detected and Quarantined a virus. I've run DiskUtility from the second iMac and again found no problems with the hard drive or permissions. Should I erase the bad hard drive, reinstall system software (using an interim user). The try to migrate all the old applications and files from the clone? If not what should I do next?

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MacBook Pro :: Gray Screen At Start Up

Jun 25, 2012

Well gang the problem has been resolved by starting up while pressing command V. Worked like a charm. I don't know why the "genus bar" folks did't try it but it worked...I'm just saying.

Info:MacBook Pro with Retina display, Mac OS X (10.7.3), in safe mode QT,Iphoto,photo booth

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MacBook Pro :: Gray Screen On Startup

Sep 10, 2014

Last week when starting my Mac Book Pro I was faced with a gray screen. On start up the it won't boot fully. Turn onGray Screen with apple logo - loading bar and wheelOnce fully loaded it turns itself off..I have tried control R to do a reinstall of the OS, however it won't let me complete it saying Apple account does not match (yet there is no login for this).

Info:
Mac Pro

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MacBook Pro :: Gray Screen Of Death

Jun 27, 2014

I've been experiencing the "gray screen of death" every time I've turned on my laptop. What would occur is that after I press the on button, I would hear the two dings and a gray screen with a metallic apple logo and a gray pinwheel would appear. It would stay on for however long I've had the patience for it (more than an hour) and disabled me from using my computer. After doing some research, I've tried everything I could besides for rebooting the computer to factory mode. I've tried doing a safe boot by pressing the shift button upon turning on the computer but this didn't work because the booting loading bar would appear and then disappear midway. I've tried doing a repair on my hard drive using disk utility.I've even tried reinstalling Mac OS X (Snow leopard), which was successful, but upon restarting my computer, I was greeted with the same gray screen and nothing appeared to have changed. I have also tried resetting the PRAM but that didn't work either.

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MacBook :: OS X Blank Gray Screen At Startup

Apr 20, 2009

I was using my computer normally, it started to move slowly, so I properly shut it down. After leaving it off for a few minutes, I started it up again. However, every time I press the power button, it comes on and there is just a blank gray screen. No folder with a question mark on it, just a blank gray screen.

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