How to delete everything except mac osk

please help

if your OS X version is Lion or Mountain Lion:
1. make backup of all your files (that you want to keep)
2. reboot your computer while holding Alt key; keep it holding until all availabel volumes appears on a screen
3. using keyboard, select Recovery HD and boot your computer from this volume.
4. when Mac starts from recovery hd, select disk utility, format your disk, exit disk utility, select reinstall OS X.

Similar Messages

  • How to delete applications from mac pro?

    I think many people struggling at "How to delete appalications from Mac pro ,just because you made some mistakes or curious !" I know it is a bit difficut for people who are new users for the Mac .
    If you really don't want them ,you can delete them easily,
    As all you know after you download appalications from anywhere  ,it could be from apple app store or from other websites. They all can be disspeared if you don't like them .
    First , If you installed from apple app store  it will be really easily  just click at the app on the launchpad, after few seconds all the apps will be all shaking like leaves ,yes they are scared .(No No  don't delete me  I am helpful !) Ok yes  that is a little joke ! so what you can see now there is a small "x" at the top right corner .Can you see them ? just click the "x" And they will gone .
    Second step. This is only for you downoaded from other websites , In that case  , you just skip first step come to here  in order to save you some golden time .
    You can delete them from the launchpad , I have tried many times . i tried to drug them in the the trash . But after them all jump back to where they are , So you need to open the Finder ---> click the download -----> find the file which is belong to the app (make sure ) ------->click it  -----> drug it into the trash. then you can hear a little sound like you through it into the bin. it is really humanny  isn't it ? then go back to the finder again .---->click the application -------> find the icon on there which is you just drag into the trash.  do it again . take this one into the trash as well  then you will find the icon on the launchpad is disppeared . at the end don't forget to empty your trash   After that all job done , it is been deleted  ,
    Well done !
    Hope this could help all of your!
    Thanks for reading !

    Your profile shows Macbook Pro yet your topic confirms you are talking about a Mac Pro - or

  • How to delete EVERYTHING in iTunes Match? (Playlists & music)

    I've downloaded a cd last night and when I drag and dropped it in my iTunes it went mad.
    I have now hundreds and hundreds of playlists without anything in it, I've tried deleting it one by one but it is a mad job, I don't even know if they acutally delete...
    So I thought maybe I just delete everything in my iTunes Match because obviously these playlist have been uploaded to the cloud since they have nothing in it it went very quickly...
    I've read how to delete all my albums from iTunes Match, but nowhere how to delete acutally EVERYTHING that is in it, including playlists.
    So I hope someone out there can help me out with this because I want this sorted out...

    I did create a new playlist saturday on my iPhone, I went on holiday so it didn't had a chance to sync with my Mac.
    Yesterday I came back from holiday and I have worked on it for a whole day, so shouldn't the playlist have come the minute my iTunes had a chance to sync with my iPhone? But they didn't...
    They came when I added the album, so that's why I think it's connected with that album.
    But if it is actually from the playlist I created on my iPhone, how do I solve this?

  • Using backspace in text box deletes everything except current word.

    When I press the backspace button twice it deletes everything in the box except the current word I am on.

    This happens only in Firefox on both my Samsung Galaxy Nexus running 4.1.1 and my Nexus 7 which I think is also running 4.1.1 Jelly Bean. I am using the stock keyboard on both devices.

  • How to delete everything, but base group and their depends?

    If I install KDE or Gnome, and even a bunch of different programs, or have too much broken system, or even what the cause ..
    How to easiest delete everything, but to keep packages in base group and their depends?
    Last edited by atommixz (2010-10-14 11:37:31)

    You're drawing an erroneous conclusion. Dependencies for base are self contained within base. That is to say, you can install only the packages in base, and boot into a working system.
    If it's not working, then it gives rise to the idea that you have packages outside of the base group that are providing the functionality of packages in base. I'm not willing to test this further than verifying what I think the output of the comm should be -- and it looks correct on my end.

  • I'm not sure how to delete apps on mac

    someone help me plz
    im not sure how to delete apps on my mac

    Well normally all you have to do is delete (Move to Trash) the .App file but then some program place things in different Library folder around you hard drive. None of thos other files maen anythiing with out the app beinig run except for taking up disk space.
    So apps come with uninstall programs but most don't. If you run the installer again you may find an uninstall app included.
    Here is a web page that can give you more information.
    http://guides.macrumors.com/Uninstalling_Applications_in_Mac_OS_X

  • How to make everything except the finder disappear?

    I'd like to press one key on my keyboard and have everything but the finder get hidden. Any way to do that?

    Hi there,
    Not exactly 'one key' as requested, but if you hold the Cmd and Option keys and click on an application window, it will hide everything except that application. You can exploit this behaviour for your needs by cmdoptclicking on any part of your Desktop. This will hide everything except the Finder.
    Yang

  • Deleted everything on Mac, how do I get past the grey screen?

    I tried to delete all my data on my old Mac so I could sell it on. I've obviously deleted something important as now when you turn on the computer all that comes up is a grey start up screen with a flashing no entry sign, apple icon and a file with a question mark. I'm not worried about data loss but is there a way I can gain access to the computer again?

    It would appear that you deleted some or all of the operating system files. Boot your iMac from the installer disk that came with it (or a more recent retail copy of Mac OS X) and reinstall Mac OS X. I'd recommend running Disk Utility from the menu and erase the hard drive, using the Zero All Data option under Security Options before you reinstall to make sure your data isn't recoverable.
    Regards.

  • How to delete iMessage on mac

    I dont want imessage on my macbook but i dont know how to get it off

    HI,
    As CT says Messages can receive Messages (IMs and iMessages)  from the accounts set up in it and those that are Enabled.
    You can go to Messages Menu > Preferences > Accounts and untick all the boxes or each account that reads "enable" this Account.
    You can go further and Sing Out on the iMessages account
    All the other except the Bonjour one you can highlight then use the minus Button at the bottom of the List to delete.
    Alternatively you can go to System Preferences > Mail, Contacts and Calendars and deselect the Messages option against the IDs that are now listed in Messages.
    NOTE
    You cannot delete the Bonjour Option in Messages  (everyone gets this one) It can only be turned Off
    Example pic
    8:58 PM      Tuesday; February 19, 2013
    Please, if posting Logs, do not post any Log info after the line "Binary Images for iChat"
      iMac 2.5Ghz 5i 2011 (Mountain Lion 10.8.2)
     G4/1GhzDual MDD (Leopard 10.5.8)
     MacBookPro 2Gb (Snow Leopard 10.6.8)
     Mac OS X (10.6.8),
     Couple of iPhones and an iPad
    "Limit the Logs to the Bits above Binary Images."  No, Seriously

  • I can't back up my information to iCloud and sync them to my iPad. I tried to reset the account by erasing everything in the account but the problem is still there. Can someone let me know how to delete everything in my account and start a new backup.

    Hello,
    I'm having probelms backing up my information to my iCloud account. I tried to reset the account and erase everything in my account but the problem is still there. The problem is that my iPhone is not able to complete the backup process and all it is saying a problem occured.
    Someone Pleas let me know how to reset my account, delet everyhting in the Cloud and start a new backup.
    Thanks very much,
    Dalal Tammar

    Welcome to the Apple Community.
    You might try a forced shutdown to begin with, hold down the top and home buttons together until the device shuts down, then restart it.
    First check that your device is correctly connected to the wifi/internet (settings > wifi)
    If your back up continually fails, you might try turning off back up on your mobile device (settings > iCloud > storage & backup) and then deleting the backup file from iCloud by swiping the backup file on the mobile device (settings > iCloud > storage & backup > manage…) and then turning back up on again.
    If this doesn't help, try turning off some items for back up in a pattern to try to establish if your problem is being caused by specific data on your device.
    Being able to back up to the cloud can be very useful, especially if you don't have access to a computer or have infrequent access to one, however unless you specifically need to use iCloud for back up, you will find backing up to iTunes significantly more convenient and possibly more reliable.
    More about iCloud v iTunes Back Up

  • How to delete mail from mac but NOT from gmail server?

    Hi I have around 6GB of space used up by the mail app. I never really use it anymore though, favouring the gmail website. I can't work out how to clear out the mail app and free up that space, without also deleting the emails from the gmail server. Can anybody help?
    Thanks
    Jonathan

    Hello Jhughes1986,
    If you are not using the mail account in the Mail app, then remove it from Mail. When in Mail, go to the drop down menu Mail > Preferences, select the Account tab, select your Gmail account and then hit the Minus ( - ) button towards the bottom to remove the account. 
    Mail (Mavericks): Remove mail accounts
    http://support.apple.com/kb/PH14944
    Regards,
    -Norm G. 

  • How to delete everything stored in iCloud ?

    Well I know that I can stop using my iCloud account by clicking the red button...
    BUT I would like to ERASE everything stored in my iCloud account : contacts and calendar !
    Can anyone help me ?

    Thanks for your reply. Even if Not understanding what a cmd-a was..., it gave me an idea and  I succeeded in selecting all my contacts and deleting them !
    For the calendar it was easy to create a new - empty - one before being allowed to delete my calendar !
    I do hope that now all my private info has disappeared from the cloud....
    A big thank you for your help.

  • How to transfer everything from mac to mac?

    I want to transfer absolutley everything from my old mac to new mac.

    If your setting up the new Mac, the first time, you turn it on you could use Setup Assistant to transfer your User Folder from the old Mac. That can be done via WiFi or Firewire.
    If you've already turned the new Mac on and partially set it up, you may want to use Migration Assistant.

  • How to delete everything from my iCloud account

    I restored my iphone then recover my all data from iCloud.
    After that:
    When I open Safari, I found list of websait that was opened on Safari before restore.
    I notice that because iCloud. I want to delete all my data in iCloud to delete this websait.
    How can I delete all my data from iCloud ?

    Welcome to the Apple Community.
    I cloud Tabs from other devices will remove themselves after a few weeks.

  • How to delete everything off your stolen ipod

    How to reset your stolen ipod online??

    Use Find My iPhone on your iCloud.com account to Erase your device.
    Cheers,
    GB

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