MacBook Pro :: Does Not Start Up - Stuck At No Entry Sign
Apr 14, 2012
I have checked Software Update, and there was two updates. First one was Java and the other one was EFI Update 2.7. I don't remember the Java update version. After I applied the update, the MBP rebooted itself as it should do; but the problem occurred at that reboot. OSX tried to start up three times, like as it was failing to install the updates after reboot. And at the fourth time, after a few minutes the Apple logo turned into a "No Entry Sign".
And it stuck like that. Now, the MBP cannot boot normally, I can only run it on safe mode. I have reset PRAM. As far as I read about the issue over the boards, the problem occurs to be an HDD problem. Yet I can run the OSX in safe mode, which bugs me. So I downloaded SMART Utility to check the HDD. It says there is 1 Pending Bad Sector, and 1 Removed Bad Sector.
Info:
MacBook Pro, Mac OS X (10.7.3)
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Feb 5, 2010
my 2006 macbook has not been able to start. First it didn't even have the chime, then I read through some threads in this forum and figured out that one of my RAMs was not properly put in. I fixed that, now I get the chime, the apple sign, and a spinning wheel and I am stuck there forever.
I tried:
resetting PRAM, didn't help.
start from safe boot, still stuck with apple sign and spinning wheel.
boot from installation CD by holding either the "C" or "D" key, it would not start from the CD.
Curiously, I can start it in Windows and I am using Windows right now. Some threads said that it could be a hard drive problem, but if I am using Windows, does it mean that my hard drive is fine?
I've already spent 800+ fixing the logic board in 2008 b/c of a water spill and really don't want to spend any meaningful amount of money to fix this 1000 bucks or so laptop. If any hardware is in jeopardy, I'd rather just throw it away. However, I would like to at least be able to start it in Mac OS once so that I can back up my documents.
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Dec 1, 2014
I have an old MacBook (not sure how old - it was a handed down to me by a friend). It was working fine until this past week. I downloaded a Yosemite update and One Drive and now it won't start!Â
Basically, when I power up it displays a 'No Entry' sign, spends around 20 minutes on the Apple logo and the 'creeping' progress bar, and then when it gets to the end opens OS X Utilities. I am trying to get in contact with Apple Support but I cannot do this without the serial number, which I cannot seem to locate in OS X Utility.Â
Info:
MacBook
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Aug 23, 2014
I just received my new Mac pro at work and is trying to install Mountain Lion as the OS instead of Mavericks but it seems impossible. Every time I try to boot up on a bootable 10.8 installation drive I get the no entry sign. I even cloned my old MacPro and tried to boot from the external drive, I still get the no entry sign.Â
I tried booting from a thunderbolt, USB and even super drive, with no luck.Â
I need to install 10.8 because Mavericks doesn't work with Active Directory in my company, it just hangs the system every time, we've tried many different ways to fix this but it just seems to get worst.Â
Any way I can downgrade a 2013 Mac Pro to 10.8?Â
Info:
Mac Pro, OS X Mavericks (10.9.4), OS X Mountain Lion (10.8.5)
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Apr 11, 2009
I was minding my own business, listening to iTunes and chatting on Adium, when the little spinning wheel came up and my desktop froze - no big deal I thought, and restarted it. But on load up, all I was getting was a little 'No Entry circle with line through it' style symbol on the grey screen. After browsing various forums I tried to reset the pram, then I tried holding down 'x' on start up, at which point a very loud noise happened and now all I'm getting is a flashing folder with a ? in it appear, for about 2 minutes after which my MacBook turns off!
I've tried putting in my OS X install disk and holding down 'c' and 'd' on start up, but nothing is working? When I restard with the Option key held down; i get a 'EFI Boot' logo and a little arrow, which when I click; nothing happens I'm not in warranty and I don't have Apple Care There's nothing important on my harddrive so I don't care about losing Files, I just want to be able to re-install OS X 10.4, or restart it or what ever.
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Jun 17, 2014
When I start my Mac it goes to white screen with flashing apple and stop sign. It will not any further.
Info:
MacBook Pro (13-inch Early 2011), iOS 7.1.1
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Jun 5, 2014
have a early 2011 MBP running OSX Mavericks. I use my mac everyday both at home and school. This morning when I opened the mac, the screen was frozen. I simply restarted the mac, and it doesn't go beyond showing a prohibitory sign. I have tried many things..Â
1. Restarted the mac, while holding the Option key (selected Recovery HD), after waiting for nearly 10 mins, the system loaded into recovery disk ( but the twist was, in the disk utility, my SSD was not found/shown)Â
2. Then thought the SSD was dead.. So asked the IT guy to see if he can retrieve the data (removed SSD out of the mac and he used an external hard drive enclosure and the SSD was instantly recognized, saved the data). Here I did two things
   A. First, asked my friend if I could mount his SSD in my Mac and see if the system starts. Even using a different SSD, my mac still showed the prohibitory sign.
   B. Then l installed my SSD into his Mac.. System booted as normal (basically it was all there, but on his Mac)Â
3. So ruled out that my SSD was faulty. Then using the internet based Apple Hardware Test (AHT), I found no troubles with any of the mac components.Â
At this point, I don't understand what is causing my Mac not to go beyond the prohibitory sign? Could it be something as silly as the internal hard drive cable or something more complicated as the logic board? In which case, they should have been detected during the AHT?Â
Info:
MacBook Pro (13-inch Early 2011), OS X Mavericks (10.9.3)
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Mar 29, 2012
My macbook pro, upon start-up, shows the apple logo for a short amount of time then either a prohibited sign or a folder with a question mark gets shown and the computer does not start-up. I have re-installed the OS but it did not seem to work. Any ideas?
Info:
MacBookPro, Mac OS X (10.7.3)
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May 8, 2010
I booted up my Mac Mini last monday to find for some reason it is stuck in that loading screen which displays a grey background, the apple logo and a round loading swirly sign. I have tried running disc utility and trying to repair it but it dosent detect any errors, I also tried clearing the PRAM according to Resetting your Mac's PRAM and NVRAM and still no joy. I've done a total reinstall of OSX and went through an hour and a half of erasing and reinstalling osx from its supplied discs, however still it wont get past the loading screen.
I've used a usb hard drive aswell and tried installing osx onto that to see if it was a hard drive error but it still gets stuck at the same loading screen. I can access safe mode without a problem. I have done numerous hours of searching the web without any luck to a cure to my specific problem. Specs are Mac Mini 1.66GHZ intel duo core 2, 1gb ram, 10.6 OSX (upgraded from 10.5) 100gb hard drive I have also started up in Verbose mode and got alot of info that I don't really understand, I've attached screen shots of where the loading screen gets stuck in verbose upon 4 attempts at booting up the mini.
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Jun 2, 2012
the screen it got stuck on was white, gray apple sign spinning circle thing
and i left it there for more then half an hour with no progress. I did a hard shut off, and waited for about an hour and tried again. This time i waited for an hour, and still no progress. what should i do?
Info:
iMac (21.5-inch Mid 2011), Mac OS X (10.7.4)
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May 30, 2012
my macbook pro froze so shut it down by holding the power button, now when i try to restart it i get a prohibited sign instead of the apple logo. any way to fix it?
Info:
MacBook Pro (15-inch 2.53 GHz)
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Apr 27, 2012
Just completed a divx upgrade, restarted and the MacBook will not go past the white screen with the apple and the little wheel going around.
Info:
MacBook Pro
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Sep 8, 2014
I turned my iMac on (2008 model) but after 10 minutes it went black and beeped 3 times loudly, repeating at 5 second cycles. Shut it down by pressing the ON button for 5 sec. Restarted and all worked for a hour before repeating the same problem...screen and keyboard and touchpad all locked out....shut down with the ON button. On restart it gave me the 3 beeps every 5 sec with an ALL BLACK screen...no hard disk whirring, either. I don't know how to do cardiac massage on an iMac. Is it dead? Is it the processor? Is it the video card? Is it the hard disc?Â
Info:
iMac, iOS 7.1.2
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May 4, 2012
my macbook pro just gets stuck at grey startup screen
Info:
MacBook Pro (15-inch Mid 2010)
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Jun 25, 2014
Macbookpro stuck in disc utilities will not start up! It has an unmounted disk that won't erase!
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Dec 8, 2009
This is my first time having some serious problems with my first MacBook, and I was hoping someone out there could help me out. This macbook was bought on June 2006 (a white MB) with I believe the 10.4.6 OSX on. I gave it to my dad which is across the world and he called desperate a few days ago saying that the system won't boot up. When the power button is pushed on and the system starts, rings the Apple bell and soon after colorful vertical lines show up across the screen and the system freezes. Here's what I found out from my research on the topic, for some macs of that generation, when the system updates from 10.4.6 to 10.4.7 some video card issue causes this glitch to happen. The solution: zap the PRAM (by holding control + command + p + r when booting the computer.) My dad has tried this approach many times and it doesn't solve it. We also tried booting it with the installation disc and that didn't work. We also tried the safe mode boot and that also didnt work.
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Apr 8, 2012
Over heated my battery and it popped out of its casing. Restarted it with no battery and worked fine. Never used the battery because charge rail is no good. Used it this morning to file tax returns. After I finished their was a system update that required a restart and now the computer is stuck on the start up screen with spinning wheel of death.
Info:
MacBook Pro, Mac OS X (10.6.8)
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Jun 25, 2014
I've been trying to partition my drives and install Windows on my late 2012 imac. I last adjusted my partitions using disk utility and now receive the prohibitory sign on start-up and cannot boot up in safe mode; pram reset; type commands in single user mode. Running on Mavericks OS.
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Sep 1, 2014
iMac start up... Why my imac start with question mark sign on gray screen
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Apr 21, 2012
my mom's Macbook Pro can't start up. it gets stuck at the grey screen w/ the Apple logo and spinning pinwheel every time. nothing else is plugged into the laptop aside from the power cord. Â
here's what i tried already, but to no avail:
 - Reset SMC
 - Reset PRAM
 - Hold shift while starting up... nothing happens. So can't start in safe mode
 - Used install disk to run Disk Utility diagnostic: Ran into a bunch of Disk Permission errors and fixed those. Nothing wrong on the Disk itself.
 - Held Command-S while starting up and typed "fsck -fy". Got "File system was modified" at first. Ran it again and got clean bill of health there
 - Held "d" while booting, ran the hardware test and it checked out fine.Â
after all of the above, tried waiting for it to restart for 15 minutes and still same spinning wheel. Â
this all started when a Skype update couldn't install, so i got rid of the current Skype. then tried downloading the new Skype. after it supposedly downloaded fully and it was automatically processing in the download pop up window (e.g. something about "writing", "image", etc.), it got stuck and froze the computer for at least 5 minutes. at that point, i help the power button until it turned out. then this started..
PS: not sure if this has anything to do w/ the problem, but after this happened, i tried to use Disk Utilities to make an image onto an external hard drive and it gave me an "operation timed out" error.Â
PPS:Â she has the following specs -
Hitachi Hard drive; partition Map Scheme: GUID Partition Table
[Code]...
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Aug 20, 2014
My MacBook Pro won't boot past the white startup screen with the Apple logo. After doing some trouble shooting my best guess is that the issue is either an issue with the logic board or the hard drive, but I am no expert so I may not be right. Here is what I have tried so far. I have done all these steps multiple times and the results have varied, but here are my most recent results:
1) First off, there are no peripherals connected so that is already ruled out as the cause.
2) When I try starting up in safe mode (holding shift while starting), the Apple logo, spinning wheel and progress bar appear. The progress bar fills about a third of the way then stops. I have left it for quite a long time and it still stays at a third of the way.
3) When running a safe boot (holding shift+command+v at startup) it gives me a " SATA WARNING: Enable auto-activate failed" message, and then eventually times out. Here is the full message:
4) Resetting the PRAM (holding option+command+p+r at startup) does the second chime but only results in the flashing folder icon with the question mark.
5) I tried booting up the computer in single user mode (holding command+s at startup) and running fsck -fy, it again gives me a "SATA WARNING: Enable auto-activate failed", then eventually times out. Here is the full message:
6) I tried booting in recovery mode (holding option while starting). When I do this I do not get the OSX utilities screen. Instead I get a white screen, sometimes my hard drive shows up on the screen, sometimes it does not.
If i boot in recovery mode with my osx install disc inserted the disc appears. If I select the hard drive we are just back to the apple logo and spinning wheel. If I select the install disc it goes to the apple logo/spinning wheel again, sometimes it allows me to start running the install, but then when it gets to the step where you select the hard drive to run the install on, no hard drives appear.
So that's where I'm at. I do not care about losing any data because luckily I backed up this machine right before this started happening.
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Aug 26, 2014
My 2012 MacBook Pro got stuck on the screen with the apple logo and spinning wheel after I tried restarting it.i haven't updated it recently and it was working fine before I restarted it. I did command-r when restarting and when trying to repair the disk I got the following message:Â
Checking file system
checking journaled HFS Plus volume
checking extents overflow file
checking catalog file
keys out of order (red)
rebuilding catalog B-tree
The volume macintosh hd couldn't not be repaired (red)
volume repair complete
updating boot support partitions for the volume as required
error:disk utility can't repair this disk....disk, and restore your backed-up files (red) Â
what do i do?? is my computer crashed?
Info:
MacBook Pro
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Dec 4, 2010
I was working on this machine 3 hours back. Thereafter I put the machine on standby mode. Now when i try to start the laptop, the icon for password does not appear. Instead a mouse curser sign and a circle [like freezing] appears on the screen.
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Jul 18, 2009
Well I had a kernel panic yesterday and now im stuck at start up becuase everytime I reboot the computer it takes me to the kernel panic and I tried to boot in single user mode and tried to do fsck repair but when I booted in single user mode it just stoped loading at system uptime in nano seconds: 753286880 and then I tried to boot in safe mode but had no luck it didnt even go in safe mode it just went straight to the kernel panic I also already zaped the pram but still no luck and I dont have the mac OS X install disks.
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Jan 13, 2010
I got a Filemate ExpressCard SSD but since I started running OS X from it I encountered serious problems. I had to install OS X quite a few times already but then I was able to backup with Time Machine. So now I have a working backup but I restored about 203 times already but I still have the problem of my Mac not booting up. When it starts up it shows the grey Apple logo with a loading bar underneath it which just gets stuck. I left it like that for several hours so that I know for sure that it was stuck. Anyways, right now I am on a restored Time Machine backup but Time Machine won't backup. It gets stuck and so I thought I open Console.app. What I found is this which doesn't really have anything to do with Time Machine but probably with my booting problems
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May 8, 2012
Tried all the tips I can find but no joy. Able to boot in safe mode but nothing else. Can't use Lion Recovery and unable install Snow Leopard from disk as it gets stuck on the gray screen again.
Info:Mac Pro, Mac OS X (10.7.3)
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Aug 12, 2007
Today i powered up my iBook G4, after a long time of waiting for the blue bar on the start up screen to reach the end, it became stuck once it had reached the end, i left it for a hour or so on this screen, and it hasn't got past it, i did a hardware test, and everything is fine, although it took about 8 minutes to complete the 'memory' test, so i'm thinking it could be a RAM problem ?, what do you guys think ?
EDIT: Just used disk utility and apparently there is a problem with the disk, that it can't fix, so i'm gonna have to reinstall OSX
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Mar 8, 2012
My 2006(ish) Intel core 2duo 2.16 mhz 20"Â imac wont start up, it only stays at the loading screen, how can i fix this?
Info:
iPhone 3GS, iOS 5
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Sep 1, 2007
When I press the power button on my eMac, it takes extra long on the gray screen with the Apple logo and the spinning gif, then takes about two minutes on the blue screen with just the spinning gif, then goes to a solid blue background, with a functional cursor, but no OSX. I've tried trying to eject the CD tray at all points in the startup process to put in the Mac OSX re-install discs, but it doesn't respond. What should I try before sending it in to an Apple store or Cupertino?
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May 8, 2012
Turn on Mac goes to grey apple screen cog wheels spins but its stuck there tried control option p and r doesn't do anything tried turning it on while holding shift key to try and get it in safe mode but that does not work either.
Info:
iMac, Mac OS X (10.4.11)
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