MacBook Pro :: Flickering Screen And Freezes - Won't Boot Pass Apple Logo
May 5, 2012
My macbook is driving me insane now. Just recently, my macbook has occasionally flickering screen and freezes after that. Yesterday, when I was watching youtube on fullscreen, it first has flickering screen, then freezes. So I hard booted it pressing the power button. Then, when I try to restart it, it won't boot pass the apple logo no matter what. Here's my macbook spec2007 Summer Macbook Pro 15"Snow Leopard 10.6 OS XI cracked my screen once, and got a replacement, don't know if that matters.
I've tried the following:Safe mood reboot, the progress bar goes about half, then disappears and stalls again.Booted in verbose mode but it gives a warning message: 'com.apple.driver. internal modem support declares no kernel dependencies; using com.apple.kernal.6.0'. Booted in Single user mood, and typed fsck for disk repair. After checking said the volume Macintosh HD appears to be ok. But still won't boot pass the apple logo after restart.Boot with installation disk pressing C at startup.
Success after a few try: Opened Disk Utility and did disk repair (no problem found). Reinstalled Snow Leopard OS X 10.6. This time it booted with Finder and everything for a short while, then the screen flicker and freezes again (before I can backup anything!). Then, I can't reboot pass the apple logo again. When I try to reinstall Leopard OS X 10.5 with installation disk, the macbook seems to try to read the disk, but won't boot. I've got a CD stuck in the optical drive now.
Info:
MacBook Pro, Mac OS X (10.6.7), Bought 2007
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May 27, 2012
I was working on a project in xcode that an error poped saying it can't save the file, after that mac os just hanged, so I restarted it, but it couldn't get pass the apple logo, so I booted the recovery partition and tried the disk utility and it said there was a problem with the startup partition, so I tried the repair volume, but it didn't work, saying there was a write problem, so I tried to reformat it and then restore it to time machine backup, but it didn't work, so I removed the hard from my laptop and used a sata to usb enclosure and insert it to another mac and I formated the hard and reinstalled mac on it. when the hard is connected to usb I can boot from it and use it, but when I put it in the macbook it just can't boot from it. I figure there's a write problem with the serial-ATA.
Info:
MacBook Pro (13-inch Mid 2009), Mac OS X (10.7.4)
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Dec 10, 2014
My Mac was working perfectly fine until my charger broke. I ordered a new one online that took about a week to arrive. When I got the new charger the first time I used it my Mac was so slow some apps wouldn't even open. The 3rd time I had to force shutdown and now it turns on but won't pass the apple logo. My only worries are saving the things that were on my Mac, is there any way it can save it on a hard drive even tho it won't pass the apple sign?
Info:
MacBook Pro
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Mar 26, 2010
My intel mini (2008, I think) won't boot. I ran Disk Utility and then Disk Warrior from my Macbook Pro, then I tried single-user mode. Everything came back "OK" but it still won't boot. It gets to the Apple logo with the spinning gear, spins 1-2 times, then freezes. It just sits, frozen, until I hold the power button and force it to turn off.
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Jun 3, 2014
My Macbook with 4 gb RAM won't boot standard, safe, or Recovery.. All three results in grey screen with apple logo and spinning wheel which freezes after a few minutes. It also won't boot a bootable Mavericks usb with install package. I can boot single user mode and also view whats going on in verbose.. I am including a photo of where the script stops. PS: I've already tried resetting PRAM and the SMC has been reset as well.
Info:
MacBook Pro, OS X Mavericks (10.9.3)
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Jan 7, 2009
i messed up with the permission for my mac(2.5 GHz, 4gb ram,macbook with leopard 10.5.6 os) and permission to EVERYONE as no access. and my macbook hung and i rebooted it after that my macbook wont get pass apple logo and the spinning wheel and restarts again and again. I dont have my installer DVD presently as i am on roaming.
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Dec 3, 2010
Macbook: A1181 Core 2 Duo 2.0ghz 1GB RAM
DVD disk: Leopard 10.5 Retail install
Hard drive: dead (spins with clicks).
With regular startup I get the flashing question mark and can hear the failed hard drive click and spin. After getting the DVD to boot in the drive (it doesn't suck it in right away), I get an apple logo and pinwheel like I should, but after about 30 seconds it goes to a black (blank) screen and the DVD spins down, but not all the way. The computer is still on, but nothing happens.
Oddities:
<>If I start it with an iMac 10.4 DVD I can boot to the install screen just fine, but can't install because it's an iMac DVD. I can erase and partition the drive fine (not the dead one, another one I have).
<>Safe mode boot does the same thing, but takes 20 times as long to boot
<>Retail OSX 10.4 DVD does not boot at all, but that one might be for PowerPC computers. I get the flashing question mark folder.
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Jul 11, 2009
My MacBook Pro will not boot up any more. It just suddenly happened. It turns on and comes up to the gray screen with the apple logo and then the circle progress icon comes up and spins.
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May 29, 2012
This morning, I would turn it on and it'd go to the grey screen with the Apple logo for a few seconds and then go to the icon that is a circle with a line through it. After reading online, I was able to boot it up in Safe Mode. I went to Startup Disk in Preferences. I chose the MAC OS X, xxxx and then clicked the lock to prevent further changes and then clicked restart. Now when I turn on the macbook, it goes to the grey screen with the Apple logo for at least two-three minutes and then just shuts off. Won't boot into Safe Mode now. I already tried the Command-Option-P-R keys trick like five times.
Info:
MacBook Pro
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Jul 25, 2010
For several weeks, my black MacBook (2008) has been acting odd. Certain applications won't open, and when I attempt to open them, the computer makes a quiet clicking noise, like the drive is failing. Last week, when trying to boot it, the thing just wouldn't. Stuck on the grey Apple logo screen. Assuming a hard drive problem or failure, I ran the tests. I ran Disk Utility from the Snow Leopard install disk, checked & repaired permissions, checked & repaired disk. All okay. I ran the Apple Hardware Test from the install disk that came with the computer, using the test that runs for an hour or so, and all appears to be fine. The computer won't boot into safe mode. I've tried flashing the PRAM. I doubt I could achieve much through target disk mode, as I've already run Disk Utility. What's left to do? Something doesn't add up here.
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Jan 5, 2011
I've been reading this site for a while now, first time I'm posting. I recently purchased 8 GB of RAM for my 2010 13" MBP. There are two 4 GB DDR3 PC3-10500 1333mhz sticks. When I install them in the laptop my computer does not get past the apple logo boot screen (the spinning disc freezes). However, I can boot into Windows (boot camp) without issues.
Also, when I pair either of the 4 GB sticks with one of my old 2 GB stock sticks the laptop boots up fine in OS X. The system profiler registers it as 6 GB of 1067 mhz RAM (the stock sticks are 1067 mhz)
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May 29, 2012
My mac desktop was working this morning, locked up and then when I rebotted it it stays on the logo screen. Any suggestions on getting passed it?
Info:
iMac
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Nov 23, 2007
I'm trying to repair a Powermac G5 (dual 2.0, the first model I believe, with a new Radeon 9800 graphics card) that won't boot and I'm having some problems that I can't seem to diagnose.
The machine will boot to the openfirmware prompt or target disc mode and will show the 'OS not found' icon if left to boot from the HD (which has been wiped). If I try to boot from either the included restore disc or a retail 10.4 DVD I've tried it will show the boot screen with the Apple logo on it but no spinning status indicator underneath. It just freezes on that screen. Once it showed the status indicator but it just continued to spin for about 30 mins, at which point I gave up. Same issue if I try to boot the hardware test (except it freezes on the hardware test loading icon rather than the Apple icon). The superdrive appears to work as it is accessible in target disc mode.
I've reset the SMU and reset the PRAM via the keyboard shortcut. The one thing that leads me to think it's a firmware fault is that when I run the 'reset-nvram' command it gives an OK, but when I then run 'reset-all' it freezes rather than rebooting. Any ideas anyone?
Information:
Powermac G5 Dual 2GHz
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Jan 14, 2011
I have Time Capsule and everything is backed up on there. My data is on a separate USB HD + Drobo, but for now I need my iMac to boot but it won't. It won't even get into the Desktop. all the guides online says double click the Install Icon this and that...I would if I can get into the Desktop !
It is just stuck on the Apple Logo screen with the spinny thing, that stops spinning!
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Jan 25, 2010
Sometimes, when I turn on my iMac (10.6.2), the system will not load, you can see the grey screen but empty, no apple logo there. I have to force a shutdown pressing the power button and when I turn it on for the second time it will work properly.
It only happens once in a while but I cannot understand why, since nothing changes.
PS.- I have verified my disk with the disk utility and everything seems fine.
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Oct 30, 2008
I had been using my iMac all night, when all of a sudden the bouncing beach ball appeared and everything became unresponsive, apart from the mouse cursor itself. It might be worth noting that a few hours prior to this, I plugged in an external hard drive to burn off a DVD. This external hard drive has two partitions, the first being a restored image of Leopard; and the second, my out of date backup ("yes, I know").
I subsequently restarted my machine, enjoyed the chime, pondered the excessively long start up and looked bemused at the Leopard Setup wizard. I realised that the restored Leopard partition had booted up instead of the internal disc. So, I unplugged the external drive, pressed reset on the iMac and was immediately greeted first by the reassuring chime, then by the Apple logo and a lingering grey screen and finally by a flashing dark folder icon with a question mark in the centre for eternity.
I tried rebooting a few more times. Same. I've been frantically Googling but only found the PRAM reset and a very frightening iMac disassembly guide. I've tried plugging the external drive back it, but it refuses to boot Leopard from that now. What can I do? I feel so helpless on a Mac, on a PC I'd at least be able to open the sucker up before panicking! I've been working on a client's flash web dev project for months, and not made a back up in about half that time. The website is supposed to be going live tomorrow! Luckily I have the site uploaded, but the entire source code is potentially lost, so in the long term this is a major catastrophe!
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Oct 20, 2009
So, today I tried to install windows through boot camp assistant on my mac. When it got to partitioning my drive I got an error that my hard drive needed repairing. So I opened up disk utility and clicked verify disk (I can't click repair) and got this error Disk Utility stopped verifying �Chris Hard Drive� because the following error was encountered: Filesystem verify or repair failed. I then researched this and learned to fix the problem I must boot from my leopard install disk and use the DU from their. Unfortunately I don't have access to the disk. But I have the install disk from my old macbook (the white one) so I used this. I put in the disk and shut down. When I turn it on I hold C but all I get is a grey screen but with out the apple logo. When I try turning it out holding alt I don't get the option of the CD just Chris Hard Drive. But when I boot up holding D i do get to the hardware test screen but I get the error that's something like "Hardware test does not support this hardware". Will the Leopard install of a different type of macbook not work on my new macbook pro (13" aluminium)?
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Jan 12, 2011
I own an iBook G4. I could not get it to boot up, it would just go to a grey screen with the apple symbol and a timer/clock that looked like a gear.FYI: I may provide more information than necessary in the text below. I'm not sure what is and isn't relevant.
Following some advice I found in this forum I got out my old OS disks to boot from the disc instead of the hard drive. I intended to archive the old hard drive and install my latest OS (10.4.6 on the disc, 10.4.11 was the version I had been running on the machine, I believe). The machine told me it needed 4.5 Gb to install 10.4.6 Tiger, but I only had 4.0 Gb left on the hard drive. So instead, I archived and installed with the OS that came with the computer originally, 10.3.4.
I got things going, did the archive and install, and got to the log in screen. Unfortunately, I could not remember the password, so I booted up in single user mode, and entered the following to get into the machine:
1. mount -uw /
2. rm /var/db/.AppleSetupDone
3. shutdown -h now
This got me in with a new admin login, and I started up in 10.3.4. I soon noticed that I could still see all of the files that I put on the hard drive on my old operating system. I thought I shouldn't be able to see them, but since I could I decided to try to copy them to an external hard drive. When I did, I got an error message saying that there was a read/write error. I was not entirely surprised, but I decided it was time to turn back to the forums for help.
What I want to do is copy everything from my old hard drive onto an external hard drive, make room on the iBook hard drive to reinstall my latest operating system (10.4.6). Once I've done that I'd like to get the essential files back onto the iBook from the external hard drive and continue using my computer (even though it is a dinosaur).
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Dec 6, 2014
During boot Yosemite shows a grey screen with the Apple logo and a progress bar - is this normal?
Info:
iPad 2, iOS 7.0.3, 64 Ghz. 3G
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Jan 6, 2011
My macbook pro cannot boot pass the blue screen, all startup keys failed to work [URL]. If all I need is one successful boot to copy all my files off the hard disk. Should I:
A. leave it as it is and hope for the blue screen will eventually go away;
B. keep rebooting and hope for the computer will boot up correctly by chance; or
C. Power off and unplug everything, leave it overnight and try booting it again next morning?
I've heard some people could get their computer back to normal just by option C, which sounds weird to me. Is that possible? How does that work?
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May 14, 2008
Got my 24" 2.4GHz iMac on release last year, with Tiger. Installed Leopard on it on release day.
The problem I have is that ever since a botched Boot Camp installation I've had endless problems with certain applications hanging during their startup (notably Image Capture) or refusing to quit (notably iTunes). Force Quit doesn't resolve these issues. Restarting doesn't work because Force Quit can't quit them so I have to pull the plug or otherwise force a shutdown.
Upon restarting I either get the grey screen that instantly appears, or, if I've pulled the plug and left it for a few minutes I can get to the Apple symbol but no spinner or any further start up action. Occasionally I get lucky, get back up and running, and all is well until the next crash.
All this started happening when I decided to try installing Windows on Boot Camp again. I've had it on here a couple of times since Leopard was released but usually end up deleting it eventually because either the Windows installation gets bogged down or I get bored with it and never use it. Anyway, this time, using the same discs I've always used (and yes, it's SP2, so it should be fine and anyway it's worked at least twice before) when I got to the 'restart to continue installing Windows' bit, I got the white screen and nothing happened. After an hour or so of praying and restarting endlessly trying to get a response, I finally got it to recognise my OSX installation and was up and running again. The Boot Camp volume didn't appear to be there and Disk Utility revealed zero problems whatsoever. Everything looked fine until these recurring hangs, refusals to quit apps and screwed up start-ups.
Any ideas? I don't have the expensive Apple support, but it's less than a year old! Of course, I realise that this means nothing to Apple, who seem to think I should pay a premium in order to have my machine warrantied by them for more than 90 days. Grr...
If I get it up and running I'm thinking I should just wipe the ENTIRE system absolutely clean and re-install Leopard and then use my Time Machine backup to put all my data back on (pricelessly valuable as I use the machine to work on my photography with), but I'm concerned that if there's a flaw in the System somewhere, a corruption, that installing the Time Machine backup will just reintroduce the error. On the other hand, if it's a deeply embedded and invisinle partition corruption from the bad Boot Camp installation attempt, that should be fixed by wiping the entire drive to reinstall Leopard, right?
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Mar 31, 2012
I have an iMac Intel ( 2008 ) and a problem came up so I figured if anybody knew anything about this as we don't have the biggest support in Greece to be honest , to help me.I pushed the power button but it gets stuck on the boot screen after the "bong" sound but it shows a second apple logo next to the 'original' one but it is broken as extra pixels.
[code]....
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Jun 5, 2012
my macbook pro today started to freeze at logo scrren. I tried to start it up in both safe and recovery modes but it doesn't work either. I got the system to start in safe mode only once and the scrren looked like in the attached image.When I tried printing the screen instead of taking a photo with my mobile, the image appeared to be normal (without those noisy rectangles), but it wasnt. Then itried restarting but it's been impossible. As i said i tried booting on safe and recovery modes but the circle below the apple logo appèars and then it freezes again. I read about aproblem with the graphic card similar to mine in earlier models, I don`t know if it is the same problem.
Info:
MacBook Pro (15-inch Late 2008), Mac OS X (10.7.4), 9400M/9600MGT
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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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Mar 25, 2009
So this morning i turned on my alu macbook (2.0ghz, 2gb ram) and i'm stuck on the apple logo and spinny thing at the bottom, i've searched here and the apple site but can't find a solution.
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Jan 22, 2010
I have a major problem with my first Generation MacBook Pro. It won't boot anymore: it just turns on and gets stuck at the Apple logo. There is no spinning wheel and nothing else happens. Pressing 'C' for booting from CD or pressing ALT and choosing the CD as an alternative boot source does not work either: it just does exactly the same, gets stuck at the apple logo. I already tried resetting the PRAM and NVRAM, as well as the SMC. This also did not change anything. CMD+V mode starts up then stops at the line "ACPI: System State [S0 S3 S4 S5] (S3)"
What can I do? I really need to save my Mac, there is some really important stuff on there
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Apr 27, 2012
It is getting stuck on the Apple Logo in white page with spinning gear. The apple logo keep disappearing and come again endlessly.
Info:
MacBook Pro, Mac OS X (10.0.x), Actually I only know it is OS X.
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Aug 20, 2014
My daughter's 3 year old MacBook Pro will not boot up. The grey screen with Apple logo comes up and it looks and sounds like it is going to boot up but after 30 seconds it goes black and turns off.
Info:
MacBook Pro (15-inch Early 2011), iOS 5.0.1
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Apr 8, 2012
My mid 2010 iMac i7 will not boot past the apple logo? I'm running 10.7.3. I have tried restoring from TM backup from recovery mode (worked the last time this happened) however upon completion it returns to the recovery screen? I made a disk of Lion when I downloaded the first time (followed same instructions sourced from numerous websites) which does not seem to work when i set to start up from this disk, just gets to the grey screen and flicks between the apple logo, a folder icon with a question mark and the circle with line through? Now I can't eject the disk either, a message appears that system can't eject and to make sure all applications are closed? Not sure how to go about closing these applications without being able to start the system? When I tried booting from the Macintosh HD I got a message that the boot cache partition was faulty? I have ran disk permissions etc all ok.
Info:
iMac, Mac OS X (10.7.3)
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Dec 12, 2010
I noticed that when I restarted my MacBook today, the Apple logo takes a while (20-30 seconds) to just show up before the spinning gear shows up.
Things I've tried
1. Repair disk permissions
2. Verify disk
3. Reset PRAM
4. Boot into Safe Mode
5. Make sure Mac OS X 10.6.5 is the startup disk
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