help, bootup stuck at apple logo screen?

Discussion in 'MacBook Air, MacBook & MacBook Pro' started by superdroo, Dec 7, 2009.

  1. superdroo

    superdroo New Member

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    Hi guys, what seems to be the problem with my macbook?

    Whenever i turn it on, it just gets stuck loading at the logo screen. It happened just right when I prompted to restart my mac. :(
     
  2. panis

    panis Well-Known Member

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    Does the screen freeze? Does it ask you to press the power button to restart?

    what model is your macbook?

    Any changes you made before it happened? upgraded ram? changed HDD? installed any software?
     
  3. RC

    RC Active Member

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    @superdoo
    What is the "logo screen" that you see?

    What do you do when it does that?

    What was the last thing that you did before this started happening?

    What prompted you to restart your mac? was it a software update? installed new hardware/software?
     
  4. ijingo

    ijingo Active Member

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    Probably a hard drive upgrade could be the culprit. If not, try resetting SMC http://support.apple.com/kb/HT1411

    or you cab try this:

    ⌘ S Start up in Single-User mode (command line)

    when in command line, type in:

    rm -rf /System/Library/SystemConfiguration/ApplicationEnhancer.bundle
    then
    reboot

    hope this helps.
     
    #4 ijingo, Dec 7, 2009
    Last edited: Dec 7, 2009
  5. IronMan

    IronMan Member

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    Happened to a friend's MacBook.

    It was a bad sector on the system area of the hard disk. What i did was use 'HDD Regenerate' to refresh that sector. That application is Windows-based btw.

    I reconnected the drive to the MacBook and it worked. Well, that's just my case. It could be another in yours. Have you tried the suggestions above?
     
  6. panis

    panis Well-Known Member

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    You could try to boot on safe mode. If successful, go to utilities-disk utilities- verify disk, repair disk, verify disk permissions, repair disk permissions.
     
  7. superdroo

    superdroo New Member

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    @RC
    The grey screen with the apple logo and spinning thing is where I'm stuck at.

    @panis
    I tried to run in safe mode but it didn't boot. I brought it to istudio and they plugged my HD through firewire to check my HD if it was the problem. It was fine and got detected. So they said it might be the OS so I need a re-installation. Problem now is I lost my CD's when we moved to a new home. :(

    My question now is, if I buy a snow leopard retail cd, will it be fine in replacing my original installation discs?
     
  8. panis

    panis Well-Known Member

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    Yes, the snow leopard sold at apple retail stores should work fine with your mac. When you upgrade from leopard or clean install with the SL disc it practically serves as your new installation disc. Good luck :)

    By the way, just in case it you experience an installation failure try checking your ram.
     
  9. Mad Mac

    Mad Mac Active Member

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    I'm guessing ram too. This is because an unreadable boot drive usually results in a folder with question mark icon. The spinning beach ball indicates memory shortage. Dirty ram contacts perhaps.

    If it is indeed a corrupt OS X, you must back up your data by starting in Target Disk mode and using another Mac to read it. Then proceed to install OS X. How much of your hard disk have you used?
     
    #9 Mad Mac, Dec 9, 2009
    Last edited: Dec 9, 2009
  10. ijingo

    ijingo Active Member

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    Doing a clean install will erase all your data. you may wanna bak them up before doing it. Upgrading to Snow would be fine.
     
  11. superdroo

    superdroo New Member

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    Well, I went out and bought a snow leopard retail disc and did a clean install and now it runs fine. I backed up all apps so I still have everything only thing that changed is the OSX. Good thing there was no hardware problem and was just on the OS.:)
     
  12. panis

    panis Well-Known Member

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    Yes! Nice to hear everything worked out fine :D
     
  13. Mad Mac

    Mad Mac Active Member

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    Goo to hear superdroo.
     
  14. zagu

    zagu Well-Known Member

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    I need help, this just happened on my new mba 13inch. Was watching a video then it got stuck. Waited for 3mins cant do anything so i shut my mba. Now when i turn it on its stuck at the boot up screen and there is a questionmark folder. What do i need to do because im leaving the country tom and i need my mac with me. Please help thanks!!
     
  15. mark_17

    mark_17 Active Member

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    if you have lion or mountain lion installed, boot into the recovery partition then run disk utility and perform repair disk permission on your mac os x partition.
     
  16. zagu

    zagu Well-Known Member

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    Hi sir, how do i do this on an mba? No disk drive. I have mountain lion. Downloaded via app store. Thanks
     
  17. mark_17

    mark_17 Active Member

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    press and hold down option key then turn on your mba... do not release the option key until you see the mac and recovery partition logo. double-click on the recovery partition.

    [​IMG]
     
  18. zagu

    zagu Well-Known Member

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    Tried this sir, I was brought to Internet recovery no mountain lion had or recovery hd
     
  19. kenshinx

    kenshinx Active Member

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    It happened to me, at first boot time is 2 hrs then 4 but when it becomes longer I decided to reinstall lion. Download lasted for more than 4 hrs, no files missing and all apps intact and functioned right after the reinstallation
     
  20. zagu

    zagu Well-Known Member

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    Meaning I have to boot using the Internet recovery? Tried plugging a USB with mountain lion in it but the system won't recognize it. The problem is I have über slow Internet. I'm really desperate. I need to bring my MBA out of the country for work... Help anyone. Tried looking on the net with no avail :( HELP ME PLEASE
     

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