HT4848 how to erase the disk utility from my usb portbalbe flash drive

how do I  erase the disk utility from my usb portbalbe flash drive. I need the flash drive for other stuff and it isn't allowing me to do so.

Here is information on the recovery partition, includin how to remove it from a drive: http://reviews.cnet.com/8301-13727_7-20083166-263/managing-the-os-x-10.7-lion-re store-drive/

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    Hey,
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  • After i ran the installer program to reset to factory settings, in the Disk Utility menu there is no hard drive listed.  How do I properly install the OS?  On the left hand side it lists: 250.06 GB Hitachi HTSS..., Mac OS X Install DVD, HL-DT-ST DVDRW G2

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    how do i run the disk utility to repair permissions
    i think i hav the same problem as you all iv been
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    Hi,
    I been having problems opening Disk Utility to format an USB drive since december 2009, every time I tried it freezes like 1 minute an never opened. Then I supposed it was a problem with my hard disk maybe corrupted data.
    Today I tried to use the Disk Utility using Mac OS Install DVD, holding C key. After that, I put to verify my MacBook hard disk, and after that told me that I need to repair. So I've tried to repair, but Disk Utility could not do it, and it stops booting my hard drive.
    I needed to use a full restore of a Time Machine backup, but now I can't open the disk utility and give me the following message:
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    Use Pacifist to extract it from your Leopard DVD.

  • I can't get an album from iPhoto to a flash drive

    How do I get an album in iPhoto to a flash drive?How do I get an album from IPhoto to a flash drive????

    Couple of things:
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    Depending on the settings used that can yield exporting and dragging can produce very different results.  This User Tip
    https://discussions.apple.com/docs/DOC-4921
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    and apparently the limit on the number of files is above anything I have done so far.
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  • HT1782 How to reformat the disk and restore from backup

    DISk utility found errors that could not be repaired. The instruction said to back up all files and then restore with backup. How do I do this? Will the restore also restore the errors?

    Backup all you data using Time Machine or a clone program. Boot into the Recovery Mode (command - R during a restart), erase the disk and reformat it as Mac OS Extended (Journaled). From the Options button, choose GUID. The restore may or may not restore the errors, depending on what caused the errors.

  • Disk utility can't repair the Macintosh HD, asking toback up all files as possible? and how to  reformat the disk?

    disk utility can't repair the Macintosh HD, asking toback up all files as possible? and how to  reformat the disk?

    Some problems can indeed be fixed this way. But working from Recovery_HD or Disk Warrior DVDs and working in the restricted environment those provide can be difficult. You can literally spend days working on this problem (while your regular work is unavailable) only to discover the old drive is unsalvageable.
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    If the old drive eventually provides some needed data, and is salvageable, Merry Christmas.

  • How do I reformat hard drive when I can't erase the disk?

    Machine: imac, OS 10.6.8
    Initial Problem: Finder kept crashing for all users immediately after start up. As a result I was unable to try trashing finder preferences as recommended in this forum and elsewhere.
    Attempted solutions:
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    2. Connected to another imac using firewire and booting problem computer into target mode
    3. Ran Techtool pro from master machine. Hard drive and hardware fine but reported need to format disk on target machine.
    4. Tried to install new os onto target drive using disk drive on master machine. Error message reported being unable to find target drive, even though it was showing on desktop of master machine
    5. Tried to erase disk using disk utility on master machine, but error message stating unable to unmount target drive
    6. Successfully rebooted using snow leopard installation disk, but unable to instal. Error message stated that the computer was not available. i.e. it had the yellow triangle with exclamation masrk
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    Obviously the machine needs complete reformatting. I made a backup before starting this series of unsuccessful attempts. I suspect that I need to use terminal from the installation disk, but I am not sure which terminal command to use.
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    Install or Reinstall Lion/Mountain Lion from Scratch
    Be sure you backup your files to an external drive or second internal drive because the following procedure will remove everything from the hard 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.
    Erase the hard drive:
      1. Select Disk Utility from the main menu and click on the Continue button.
      2. After DU loads select your startup volume (usually Macintosh HD) from the
          left side list. Click on the Erase tab in the DU main window.
      3. Set the format type to Mac OS Extended (Journaled.) Optionally, click on
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      4. Quit DU and return to the main menu.
    Reinstall Lion/Mountain Lion: Select Reinstall Lion/Mountain Lion and click on the Install button.
    Note: You will need an active Internet connection. I suggest using Ethernet if possible
                because it is three times faster than wireless.

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