At startup I get grey screen and a folder with a flashing question mark.  How do I reset my MacBook Pro to the manufacture defaults?

At startup I get grey screen and a folder with a flashing question mark.  How do I reset my MacBook Pro to the manufacture defaults?

Click here and follow the instructions. If the computer originally shipped with Mac OS X 10.6.8 or earlier, when you reach step 5, insert its original disk, restart with the C key held down, use the Disk Utility to erase the internal drive, and install a fresh OS.
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Similar Messages

  • I have replaced my ibook hard drive but when I start up I get a folder with a flashing question mark. I have tried installing the OSX disk using the "C" key but can't get any further than the flashing "?." What do I do? What is the problem?

    I have replaced my ibook hard drive but when I start up I get a folder with a flashing question mark. I have tried installing the OSX disk using the "C" key but can't get any further than the flashing "?." What do I do? What is the problem?

    Which iBook do you have?
    http://support.apple.com/kb/HT1772?viewlocale=en_US
    Which version of the OS is installed, and which version are you trying to install?
    You could try starting up with Startup Manager and see if it will allow you to select the OS X install disc as the startup disk. If so, maybe you can proceed from there. I would recommend repairing the hard drive first since you are evidently having a bit of a problem with it.

  • IBook G4 grey screen,then  "finder" folder with "?" flashing, please help!!

    Hello again my fellow smarter than me mac lovers. OK, here is my problem. I used my ibook all night last night at work. Used it this morning just fine. My teenage daughter was using it and she stated that it froze on a screen she was looking at on possible you-tube. She proceeded to turn it off (not restart), and when she turned it back on it only responded with a grey screen. After a few minutes of the grey screen, a small blue folder will flash in the middle with the "finder" face/icon on it and a question mark flashing. It stays there a few minutes, but no cursor to click on the folder ect. After several minutes of that, the screen will go black and the computer will turn off. I have tried to reset the PRAM and PMU, but no go. Do not have discs, as this was a buy this past summer refurbished. I love my ibook and really hope it can be fixed. If there are any suggestions, please let me know. If not, I guess we will take a trip to the apple doctor. Thanks again for any help you might have.
    Val

    Hello Gengap,
    This sounds like a failing harddrive issue....a computer starting up with a flashing question mark means that it is unable to find the software to load up the OS. Since you don't have the discs that should have come with the computer, you can try inserting a Tiger disc, or some other equivalent OS.
    Start up from a disc, when the installer opens, open up Disk Utility. In Disk Utility, you should see a harddrive appear on the top left - but if it is failing (this just happened to me on an iBook G4), then it might not be there at all.
    So if you close out Disk Utility, and you try to proceed with the installation, if the disc is not being recognized, then it will not be available to select a destination disc to try a re-install.
    You might be SOL in recovering any data that is on the drive. A replacement HD should be in order if you are unable to re-install the OS.
    Once the replacement HD is in, when you go to set it up again, you'll want to install a fresh clean copy of the OS by erasing the HD (incase it's formatted to work for Winblows) - you'll want to re-format it to work for Mac OS (Extended), and then re-install.
    I'm not sure how comfortable you are with taking computers apart or not but since you bought it second hand anyways, you won't be voiding any warranty's of any kind. I just did this very same procedure on a 12" iBook G4 800MHz.
    Ifixit.com is a great place to find exactly what you are looking for with step-by-step troubleshooting guides to get your mac up and running again.
    Please post back to let me know how it works.
    <Edited by Moderator>
    Jason

  • MacBook Pro 13 2010 running Mountain Lion: will not boot and shows a folder with a flashing question mark. Will not start in 'safe mode' i.e holding shift on start up - nor can I call up any utilities with the OSX shortcuts. Any thoughts?

    Following an automatic update, the machine wouldn't boot. Screen came on (shows white) - then either showed a 'No-Entry' Sign and a spinning cog, or a folder with a qusetion mark. I  tried to start the machine in different modes ( eg. holding shift after the tone ) but nothing worked. after leaving the machine alone for 1 hour. It worked perfectly again. I did a 'verify disk' check which found no problems. 2 hours later it then froze ( In - Photoshop). Could not force quit, so shut down, and have not been able to boot again since (white lit screen - flashing folder with question mark) . I have also taken the hard drive out and checked the connections which seem fine. Any suggestions? - Is the Hard Drive dead. : other info : It was also running parallels 8, with Windows 7. at the time of the update....

    This article may help: A flashing question mark appears when you start your Mac.

  • TS1440 A flashing question mark appeared when I started my MacBook Pro, I've tried all the suggestions and nothing has worked. How can I back up my current files so I can reinstall Mavericks?

    I recently did a manual reboot after my MacBook Pro had frozen, and instead of the usual Apple and loading icon, it gave me the flashing question mark on a folder, which I've never encountered before. I looked up some possible reasons on my PC, and after reading that there's a problem with my HD I tried looking up how to back up my files so that I can do a clean reinstall of Yosemite (latest ver.). However, I've never used anything like Time Machine or anything else that could back up all my files, so it didn't sound like I could do anything about that at this point. I've also tried going into Disk Utility and attempting to repair the disk image. There was only 2 available, disk0 and the base system. I verified the base system, and told me there was nothing wrong (it didn't give me the option to repair anything either, on both available options). I don't think this is the right thing though, since my drive was called MacBook Pro HD. So basically this is the point I'm at now. Is there anything I can do that will repair my HD without erasing all my files?

    I've tried all the suggestions and nothing has worked.
    I verified the base system, and told me there was nothing wrong
    Hold the option key on boot to see if you can select your Macintosh HD.
    A flashing question mark or globe appears when you start your Mac - Apple Support
    You can boot into Recovery and re-install the OS X on top of what you have.  It will preserve your user data.
    command R on boot.
    Recovery  http://support.apple.com/kb/HT4718

  • I have a PowerMac G4 running ProTools that no longer boots up.  All I get is a file folder on the screen with a flashing question mark in it.  Ran the Utility disk and all systems passed.  Any ideas?

    I have a PowerMac G4 running ProTools that no longer boots up.  All I get is a file folder on the screen with a flashing question mark in it.  Ran the Utility disk and all systems passed.  Any ideas?

    You need to use the computer's install disks to repair the hard drive or install a new OS.
    (58033)

  • My Macbook Air 2011 got a white screen and a folder with a question mark. I tried to press option+r and try to install the OS X Lion but it didn't show the disk Macintosh Hd

    My Macbook Air 2011 got a white screen and a folder with a question mark. I tried to press option+r and try to install the OS X Lion but it didn't show the disk Macintosh Hd

    You are using Snow Leopard so you have no OPTION+R shortcut. You need to boot the computer from your Snow Leopard DVD or USB flash drive.
    Reinstall OS X without erasing the drive
    1. Repair the Hard Drive and Permissions
    Boot from your Snow Leopard Installer disc. After the installer loads select your language and click on the Continue button. When the menu bar appears select Disk Utility from the Utilities menu. After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list.  In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive.  If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the installer.
    If DU reports errors it cannot fix, then you will need Disk Warrior and/or Tech Tool Pro to repair the drive. If you don't have either of them or if neither of them can fix the drive, then you will need to reformat the drive and reinstall OS X.
    2. Reinstall Snow Leopard
    If the drive is OK then quit DU and return to the installer.  Proceed with reinstalling OS X.  Note that the Snow Leopard installer will not erase your drive or disturb your files.  After installing a fresh copy of OS X the installer will move your Home folder, third-party applications, support items, and network preferences into the newly installed system.
    Download and install Mac OS X 10.6.8 Update Combo v1.1.

  • My Late 2013 iMac with Yosemite 10.10.2 randomly shuts down and displays a grey screen with a flashing question mark folder. According to Disk Utility, my drive is OK. What should I do?

    I've had this problem for a while and I thought it went away. I've looked at all of the other discussions and tried what they suggest, nothing. I preferably don't want to erase everything on here. Is there a way to fix it without having to do that? I also noticed that other people have the screen when they first boot their computer. Mine are in the middle of a college essay or browsing online. I would really like to fix this issue. I haven't even had my iMac for a year yet. Any suggestions?

    Question (?) Mark, Blinking Folder, or Gray Screen at Startup
    These are related but not identical issues. Their causes are outlined in Intel-based Mac- Startup sequence and error codes, symbols. Solutions may be found in:
    A flashing question mark appears when you start your Mac
    Mac OS X- Gray screen appears during startup
    In most cases the problems may be caused by one or more of these:
    a. Problem with the computer's PRAM - See Resetting your Mac's PRAM and NVRAM.
    b. Boot drive's directory has been corrupted - Repair with Disk Utility.
    c. Critical system files are damaged or deleted - Reinstall OS X.
    d. The disk drive is physically non-functional - Replace the hard drive.
    Note that the information I have provided is what Apple recommends, If other users suggest different solutions than found here, then be sure what they recommend does not impact on your warranty, if any, or ability to get continuing Apple service.
    Please don't start removing drives or changing cables unless you know what you are doing and have exhausted other non-invasive alternatives outlined here. If you perform any work yourself that is unapproved by Apple, then you will void any warranty you may have and lose all further Apple Support.
    Repair the Hard Drive and Permissions
    Boot from your Snow Leopard Installer disc. After the installer loads select your language and click on the Continue button. When the menu bar appears select Disk Utility from the Utilities menu. After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list.  In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive.  If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the installer.
    If DU reports errors it cannot fix, then you will need Disk Warrior and/or Tech Tool Pro to repair the drive. If you don't have either of them or if neither of them can fix the drive, then you will need to reformat the drive and reinstall OS X.
    The main difference if you are using Lion or Mountain Lion is that you must first boot from the Recovery HD. Simply boot from the Recovery HD to perform the above.
    Reinstall Snow Leopard Without Erasing The drive
    1. Repair the Hard Drive and Permissions
    Boot from your Snow Leopard Installer disc. After the installer loads select your language and click on the Continue button. When the menu bar appears select Disk Utility from the Utilities menu. After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list.  In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive.  If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the installer.
    If DU reports errors it cannot fix, then you will need Disk Warrior and/or Tech Tool Pro to repair the drive. If you don't have either of them or if neither of them can fix the drive, then you will need to reformat the drive and reinstall OS X.
    2. Reinstall Snow Leopard
    If the drive is OK then quit DU and return to the installer.  Proceed with reinstalling OS X.  Note that the Snow Leopard installer will not erase your drive or disturb your files.  After installing a fresh copy of OS X the installer will move your Home folder, third-party applications, support items, and network preferences into the newly installed system.
    Download and install Mac OS X 10.6.8 Update Combo v1.1.
    Reinstalling Lion/Mountain Lion Without Erasing The Drive
    Boot to the Recovery HD: Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.
    Repair the Hard Drive and Permissions: Upon startup select Disk Utility from the main menu. Repair the Hard Drive and Permissions as follows.
    When the recovery menu appears select Disk Utility. After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list.  In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive.  If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the main menu.
    Reinstall Lion/Mountain Lion: Select Reinstall Lion/Mountain Lion and click on the Continue button.
    Note: You will need an active Internet connection. I suggest using Ethernet if possible because it is three times faster than wireless.

  • Switched on my imac 24inch intel based and all I get on screen is a folder with question mark flashing,I had backup on external hard drive but when I try to reinstall it can not find my mac hard drive

    Hi when I started my intel based imac this morning all I am getting is a folder with question mark in the middle flashing,I have external hard drive with backup,but when run disc utilities it does not show my mac hard drive.hope someone can help.(it's running mountain lion, well it was)

    Try starting up your Mac while holding down the Option key. That should prompt the Startup Manager window where you can select the startup disk then click Restart.
    The question mark folder indicates your Mac cannot find a system folder to boot from.
    A flashing question mark appears when you start your Mac

  • I have an iMac, purchased in 2007. When I turn it on I am getting a grey screen with a flashing question mark

    Anyone know what I need to do

    A flashing question mark indicates  the startup volume cannot be found. Follow the link above for troubleshooting, however be prepared for a failed internal hard drive. If I am correct you will need to take it into an Apple Store or AASP to have the HD replaced.

  • Grey screen and file icon with question mark appearing at startup on old model macbook

    We own  a very old model macbook and the startup screen appears as grey and an icon appears in the shape of a file with a question mark in the middle and the startup does not proceed from there. Any help would be much appreciated.
    Thanks,
    Athula

    Some things to check/try in no particular order:
    https://support.apple.com/kb/TS1440
    http://support.apple.com/kb/ts2570
    https://discussions.apple.com/docs/DOC-5282

  • Imac gets grey screen and fan runs hard

    When I try to turn on my computer I get a grey screen with an apple and the fan runs like crazy. Sometimes I just get a grey box saying I need to reboot in several languages. Along with the fan running. Other times I get the grey box and then a bunch of text behind it with the fan running. I have tried to reinstall Leopard twice and get the same thing. Any ideas?
    Jason

    Hi Jason - have you tried booting from your install disc and running Disk Utility?
    1. Insert the Mac OS X Install disc that came with your computer, 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. (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. Click the disclosure triangle to the left of the hard drive icon to display the names of your hard disk volumes and partitions.
    5. Select your Mac OS X volume.
    6. Click Repair. Disk Utility checks and repairs the disk.
    If your drive has been repaired, boot from your internal and repair permissions.
    You might also try resetting the PRAM

  • Will not start - get a white screen and  gray folder with ?

    I tried to erase the drive and reinstall snow leopard - which got interupted. 
    Now when I try to start - I just get a white screen - sometimes with a folder and question mark in the middle of the screen.
    I tried rebooting with original OS disc - while holding option key - but it eventually kicks the disc out.
    thanks

    There are four general causes of this issue:
    1. The computer's PRAM no longer contains a valid startup disk setting when there aren't any problems with the disk itself. This can be checked for by pressing the Option key and seeing if the drive appears.
    2. The internal drive's directory structure has become damaged. This requires usage of an alternate bootable system to perform the repair.
    3. Critical system files have been deleted. This requires usage of an alternate bootable system to reinstall them.
    4. The internal drive has died or become unplugged. This is the most likely case if the computer took a sharp impact or there are unusual sounds coming from its location.
    (91991)

  • I have a 2005 g5 2.5 2g ram will not boot up ,blue screen with folder with finder icon question mark. have tried to boot from dvd disc by holding down ckey but all i get is apple logo and fans start running really fast.have tried hard drive in identcal g5

    tried hard drive in another g5 but with the same result.can anybody suggest what might be wrong

    had the same result on other g5 blue screen finder folder with question mark. i put the hard drive in the bottom bay of my g5 after and ran disk repair said disk ok .reparaired permissions tried hard drive in top bay again but with same result.
    do i just disconnect the two connections on hard drive and then try your second suggestion?

  • My Mac Apple Pro laptop is getting old - anyway, when I turn it on now, the screen just lights up white - and nothing is happening.  A few days ago, I had a screen with a flashing question mark, but now just blank white. what to do/how to fix it?

    My Mac pro notebook laptop - when i turn it on, it's just a lit up white screen - and nothing else is happening - it's just frozen. how do i fix it?

    You may try the procedures in this support article.  I suspect a trip to the Apple genius bar will be the best option.  You probably have some hardware issues, such as the display or the GPU and the technicians will be to make to make a definitive determination.
    http://support.apple.com/kb/ts2570
    Ciao.

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