Tiger Disk Utility The Best?

Is the "Disk Utility" found on the DVD Install of Mac OS X 10.4.11 Tiger, the "best" software for "repairing disk permissions?"

Only if you are running Tiger!
Permission repairs should be done in Disk Utility on your internal hard drive.
Repairs to the hard drive itself should be done via Disk Utility on your install DVD once you have booted up from that.

Similar Messages

  • Tiger Disk Utility filled up target AND system disk, CANNOT reboot!

    I used Apple Disk utility to securely erase free space on a target drive on my laptop. Disk Utility filled both my target disk and system disk (system disk was not even specified in the erase procedure). Both disks have ZERO bytes free. The System disk will NOT startup and I cannot use DiskWarrior to rebuild the directory cuz there is no space. Tried using terminal to rm temp files, but it did not see the system disk.
    *Problem Path:*
    1) Laptop (Leopard OS X current version) video stopped working. Likely known problem with Graphics card.
    2) Connected G5 (Tiger) to Laptop via Firewire with Laptop working in Target Disk mode (data only mode).
    3) Laptop disk showed up as a disk volume on G5.
    4) Used Apple disk utility on Tiger G5 to securely erase FREE disk space on Laptop disk drive B4 taking it in to get repairs. Amount to be securely erased was appr 65 to 70 GB.
    5) Left G5 Tiger disk utility to work overnight... had to interrupt next day. Restarted..
    6) Next day, the G5 disk utility said that it would be an est. 97 hours to complete. Stopped process.
    7) Both target disk and system disk showed that 0 bytes (yes, ZERO bytes free) were free on either drive.
    8) Attempted to restart with literature saying that you can restart Disk Utility as though it would delete temp files and start again. System could not be found (folder/face/folder/face showed on the screen)
    *Attempted Solution:* (DW ~ DiskWarrior 4)
    1) Started system up using DW CD. System disk came up as unknown.
    2) Used Disk Warrior to rebuild directory on disk, but I believe that there is NO space at all. Disk Warrior took a very long time...more than an hour.
    3) Terminated DW (it was still verifying directory)
    4) Restarted system from Tiger install.
    5) Attempted to use Tiger Disk Utility to verify system disk (System still can see it, but won't mount it-- name is now disk1s3 or something like that). Disk Utility said that disk directory had problems and needed to be repaired. Ran the repair, but Disk Utility said that it could not be repaired.
    6) Quit Disk Utility and entered into the terminal to see if I could access the disk through unix commands. Access volumes from root. Only the other disk on the system showed up, not the system disk. So attempt to delete temporary files that MAY have been created by Disk Utility could not be done.
    7) Restarted system using DW. Drive showed up as Unknown. Clicked on [Apple key] rebuild to do scavenge function. Left it for two hours. Little to no change. Left it to work all night.
    HELP!
    Will DiskWarrior use other volume on system or memory to save off or rebuild directory of bad drive? Anyone know of a utility that can help?
    ANY HELP you can provide would be GREATLY appreciated. I have been put behind on research in my graduate studies and am in a terrible situation in now BOTH of my systems are inaccessible.

    Hello HB3, and a warm welcome to the forums!
    8) Attempted to restart with literature saying that you can restart Disk Utility as though it would delete temp files and start again. System could not be found (folder/face/folder/face showed on the screen)
    You really shouldn't use a lower OSes DU to work on a higher one.
    2) Used Disk Warrior to rebuild directory on disk, but I believe that there is NO space at all. Disk Warrior took a very long time...more than an hour.
    What version of DW?
    Anyone know of a utility that can help?
    If DiskWarrior can't fix it, you might try Data Rescue II...
    http://www.alsoft.com/DiskWarrior/
    http://www.prosofteng.com/products/data_rescue.php
    (Has a Free Demo to see if it could or not, but you'll need another drive to recover to).
    Or FileSalvage...
    http://www.subrosasoft.com/OSXSoftware/index.php?%20mainpage=product_info&productsid=1
    to recover what you can, both can work when Disks are unmountable.

  • When i burn a disk in Disk Utility, the burn completes but the verification process does not complete and my disk pops out. The error message i get is something like this "burn failed because disk cannot be verified," PLEASE HELP

    when i burn a disk in Disk Utility, the burn completes but the verification process does not complete and my disk pops out. The error message i get is something like this "burn failed because disk cannot be verified," PLEASE HELP.
    Also when i take the disk out it seems fine nd everything seems to be burned onto the disk. I am buring mac os x lion onto a disk.
    The disk i am using is nextech and i am burning at the slowest speed (4x).
    Also this is my 3rd time trying to do this and the verifying process keeps failing.... what do i do?

    see there
    http://www.techmixer.com/best-free-mac-burning-software-for-mac-osx/
    what you like most
    try different brand of CD/DVD

  • When burning iso with disk utility, the audio is off!

    I have an ISO file that works fine when I mount it or watch it on VLC.   If I burn it using windows (in parallels) it is fine...
    But when I burn it with disk utility, the audio is off by a second or so.  I can't figure this out since it is a disk image.  there shouldn't be a way to dissociate the audio.  I did have a previous version of the iso file that was off..  Is it possible that I am trying to burn an iso file and it is burning a mounted version from before (even though I am choosing this from the finder?)
    Any thoughts or suggestions?
    I though macs just work.  Seems a bit more complicated.

    I don't recall for sure about "disk utility" and DVD and/or Bluray. It seems to me that Toast is usually used.

  • I have run disk utility- the drive is corrupted- I get the error message restart your computer holing down the Cmd

    I have now tried every variant of key compbinations but I still get the grey lock icon with a box which won't accept my password.
    When re-running disc utility all I get is the same error message

    I ran the Disk Utility and got a message that it can't repair the disk. This happened after I did a restart Command and R. After trying the repair cycle I got a message "Disk Utility can't repair this disk. Back up as many of your files as possible, reformat the disk, and restore your backed - up files" I found myself stuck because I couldn't shut down the Disk Utility. Out of frustration and patience I turned the I-Mac off by pressing the start key, thinking it would restart my computer. I feel like a fool now! I started the computer up and all I got was a grey screen with a flashing file with a question mark inside the file icon which is blinking off and on. I tried attaching my Seagate hard drive with no luck. What can I do? Thank You!

  • I need to erase free space on my hard drive.  But when I am in disk utility the format and name are pale as is the erase free space button so I cannot erase free space.

    My start up disk is full.  I have been through my computer and erased a lot of music and video to free some space.  I then went to disk utility to erase free space and find that the erase free space button is pale and therefore won't work.  Nor can I select or deselect MacOS extended journaled.
    Advice please?!

    Recovering Disk Space
    If you have less than 20% disk space then it is time to roll up your sleeves and search for what you can delete and what you can offload to another disk.
    If you have less than 10 GB you definitely need to delete or offload some files or purchase a lager disk or SSD (see below).  You may want to maintain at least 20 GB of free space so when your disk starts filling again it will have some room before it hits that 10 GB mark again.  More headroom is better.  If you let the space fall much below 9 GB you might not be able to boot your machine.
    Initial easy steps to gain disk space:
    - Delete all files in the Downloads folder.
      Empty the Trash.
    - Start iPhoto.
      Empty its trash.
      Restart.
    - Restart in Safe Mode:
      Restart the computer.
      As soon as you hear the chime press and hold the right shift key.
      Be patient. Hold it down until you see the Apple icon.
      Empty the trash.
      Restart in normal mode.
    - Delete "Recovered Messages", if any.
        Hold the option key down and click "Go" menu in the Finder menu bar.
        Select "Library" from the drop down menu.
        Library > Mail > V2 > Mailboxes
        Delete "Recovered Messages", if any.
    - Empty the Trash.
    - Restart.
    - Re-index your system disk (Macintosh HD):
      http://support.apple.com/kb/ht2409
    Time Machine Snapshots:
    If your disk is 80% full that is normal.  Time Machine uses up to 80% of the disk space for local snapshots.  To get rid of these snapshots simply plug in your Time Machine backup drive and run a backup.  See About Time Machine's 'local snapshots' on Mac notebooks: http://support.apple.com/kb/HT4878 and What are Local Snapshots? http://pondini.org/TM/30.html .
    If you are concerned that the “Other” category of disk usage is taking too much space and for information on deleting files then look here:  https://discussions.apple.com/docs/DOC-5142
    Backup:
    Run a Time Machine (or other) backup since you are about to delete and move files and you may need to recover from any inadvertent mistakes or decisions.  You will need one external hard drive for your Time Machine (or other) backup and a second if you plan to offload some files.  (See suggestions for where to purchase hard drives at the end of this message.)
    For more about backups:
    Time Machine Basics: http://support.apple.com/kb/ht1427
    Most commonly used backup methods:
    https://discussions.apple.com/docs/DOC-3045
    Methodology to protect your data.  Backups vs. Archives.  Long-term data protection:
    https://discussions.apple.com/docs/DOC-6031
    Deleting files:
    Then use the free application OmniDiskSweeper http://www.omnigroup.com/more to explore your volume in descending order by size so you can attack the problem from the top down, deleting the largest unwanted files first.  Delete with caution and do not delete any system files.  Remember to empty the trash after trashing the files.
    Additional reference on freeing disk space:
    http://pondini.org/OSX/DiskSpace.html
    Offloading files:
    Consider moving some of the no-often-used large files or directories to an external disk.  Use ODS again to find them.  As noted above this will be at least your second hard drive.  Your first one(s) is/are for your Time Machine (or other) backup(s).  Do not offload files onto a Time Machine disk.
    Format the second drive as Mac OS Extended (journaled).  Using OWS to find large files/folders and copy them from the system drive to the external hard drive and delete them from your internal drive.
    Then  > System Preferences > Time Machine > Options… > Remove the offload HD name from the exclusions list.
    Now both your system disk and your external offload disk will be backed up onto your Time Machine disk.
    From: http://www.thexlab.com/faqs/freeingspace.html
    To move your iTunes Music folder to another disk or partition:
    To change the location of your iTunes Music folder, carefully follow the instructions in the AppleCare® Knowledge Base document "iTunes for Mac: Moving your iTunes Music folder."Additional information can be found in iTunes Help.
    http://webcache.googleusercontent.com/search?q=cache:http://www.thexlab.com/105/ 00000849.html
    Laptop users may want to consider having two iTunes libraries: a small library of current favorites on their computer, while their complete library resides on an external hard drive. Utilities like iTunes Library Manager enable you to easily have multiple iTunes libraries you can use with your account.  https://www.macupdate.com/app/mac/7689/itunes-library-manager
    To move your iPhoto Library folder to another disk or partition:
    To move the iPhoto Library folder to a new location, employ the instructions in the AppleCare Knowledge Base document from http://support.apple.com/kb/PH2506 corresponding to the version of iPhoto you are using. Additional information can be found in iPhoto Help.
    Laptop users may want to consider having two iPhoto libraries: a small library of current, favorite photographs on their computer, while their complete library, or archives of older photos are saved on an external hard drive. Utilities such as iPhoto Buddy and iPhoto Library Manager enable you to have multiple iPhoto libraries that you can use with your account.
    https://www.macupdate.com/app/mac/12175/iphoto-buddy
    https://www.macupdate.com/app/mac/7158/iphoto-library-manager
    Hardware — Bigger disk/SSD:
    If your system has upgradeable storage then if you are still tight on disk space consider larger storage.  If you have a disk consider replacing it with a one TB disk.  Check out a one terabyte HGST 7K1000 7200 rpm, SATA III drive from OWC http://eshop.macsales.com ($100).  If you have an SSD consider increasing its capacity to 240 or 480 GB.  A standard 240 GB SSD would cost from $200 to $280. See OWC and Crucial: http://www.crucial.com/ for options.  OWC sells 120, 240 and 480 GB SSD upgrades for MacBook Airs.  A 240 GB upgrade costs $265.   http://eshop.macsales.com/shop/SSD/OWC/ .  If your Mac is under warranty or AppleCare replacing the SSD will void the warranty.
    PlotinusVeritas gives some great suggestions for purchasing external hard drives in this thread:
    https://discussions.apple.com/thread/5602141?tstart=0

  • Disk Utility: "The burn failed because of a medium write error."

    I am attempting to use disk utility to burn a disc image to DVD. I am getting the following error. I am using Apple branded DVD-Rs. I can burn to CD-R, but not to DVD-R. I can burn to CD out of itunes, but I can't burn to DVD out of iDVD, or with disk utility.
    I get this message:
    "The attempt to burn disc failed. The burn failed because of a medium write error."
    Here is the info on my DVD-R from System Profiler:
    MATSHITADVD-R UJ-857:
    Model: MATSHITADVD-R UJ-857
    Revision: HAEA
    Serial Number:
    Detachable Drive: No
    Protocol: ATAPI
    Unit Number: 0
    Socket Type: Internal
    Low Power Polling: Yes
    Power Off: Yes
    And here is what is says under 'Disc Burning':
    MATSHITA DVD-R UJ-857:
    Firmware Revision: HAEA
    Interconnect: ATAPI
    Burn Support: Yes (Apple Shipping Drive)
    Cache: 2048 KB
    Reads DVD: Yes
    CD-Write: -R, -RW
    DVD-Write: -R, -RW, +R, +RW
    Write Strategies: CD-TAO, CD-SAO, DVD-DAO
    Media:
    Type: DVD-R
    ID: RITEKF1
    Blank: Yes
    Erasable: No
    Overwritable: Yes
    Appendable: Yes
    Write Speeds: 1x, 2x, 4x
    This is an original 2006 2 ghz Core Duo 15" MacBook Pro.
    i've tried TDK, Pioneer, Maxell and Generic DVD-R andT DVD-RW media, but always get this same error.
    The log says:
    Disk Utility: Burn started, Thu May 7 09:26:15 2009
    Disk Utility: Burning to DVD-R (AN32) media with DAO strategy in MATSHITA DVD-R UJ-857 HAEA via ATAPI.
    Disk Utility: Requested burn speed was 2x, actual burn speed is 2x.
    Disk Utility: Burn underrun protection is supported, and enabled.
    Disk Utility: Write (10), block: 0, count: 64 -> 3/11/00 Medium Error, Unrecovered read error
    Disk Utility: Burn failed, Thu May 7 09:27:37 2009
    Disk Utility: Burn sense: 3/11/00 Medium Error, Unrecovered read error
    Disk Utility: Burn error: 0x8002006E The burn failed because of a medium write error.

    Hi mdfrancois;
    The lasers used in optical drives gradually lose power. Some more rapidly then others. If the output is too low then the optical drive would be classified as marginal.
    Allan

  • Disk Utility: The disc is reserved for exclusive use by another application

    I just wanted to share with everyone a problem I recently ran into. I put blank media in my Superdrive (intel Aluminum iMac w/leopard 10.5.5) and I could not burn disc images because the of the following reason: The super drive was in use and more specifically, "The disc is reserved for exclusive use by another application."
    I searched and found this topic - http://discussions.apple.com/thread.jspa?messageID=4169743
    Thanks to Keith I'm now able to use disk utility again to burn ISOs.
    I simply deleted the /Library/LaunchDaemons/com.WD.WDDriveServices.plist file he suggested and it solved all my problems.
    Thanks Keith!

    Thanks for pointing out the obvious.
    However. I can understand where you may be coming from. If someone doesn't read the link that I have provided, it might not be obvious. So for those of you who have found this thread because you've searched for "The disc is reserved for exclusive use by another application" please follow the link I provided. If you have a WD external HDD, this may solve your problem.
    Also, I forgot to mention another problem this solved for me.
    When I would log in to my account, it would take about 1 minute and a half for my system bar at the top to appear, my HDDs to mount, and for network connection to occur. Originally, it would take this process about 10 seconds. Once I followed the above directions, deleteing the WD.plist file, My logons are now super fast, just like they should be.
    Message was edited by: aparmley79

  • Disk Utility: "The underlying task reported failure on exit"

    Hi there,
    I've just lost the use of my second HD (non-bootable) in my G4. I was backing up my iTunes folder from it to an external HD, then left for work. When I got home the machine had frozen. I rebooted and then the drive was unavailable. I ran Disk Utility and received the following error:
    http://www.jowie.net/images/du_error.png
    Please tell me it's fixable, because the backup of my iTunes folder didn't finish
    thanks...
    :-Joe

    All very good points.
    A friend very nicely lent me a copy of Disk Warrior after a panicky phone call... It looks like it's doing the trick now as it appears to have generated a "preview volume" which I am using to copy from to an external drive... phew
    I have not had any issues like this for a long time, so I guess I became quite blasé. I have backed up my iTunes before, but had been meaning to do so now for a couple of months... Ironic that it decided to fall over as I was doing a new backup. But as you pointed out, I should have kept a backup offline.
    Now this has been a wake-up call and I will be investing in two new things - a new internal HD to replace the dodgy one, and an extra external HD which I can keep swapping with the one I already have - as you say if I alternate those then I will always have an offline backup.
    Luckily for me this all happened on a second non-bootable drive and as such was much easier to restore from.
    Thanks again for the help. It's nice to keep calm in a crisis

  • External Hard Drive not mounting. In Disk Utility, the partition in the drive is greyed out.

    So my Seagate 500GB drive, didn't mount the other day, and I investigated a bit and tried repairing the disk and this happened... please someone give me hope! Ihad so many important and irreplaceable videos and documents on this drive!!!

    Anyone? Please?

  • I want to burn an iso image of my hard drive to an external backup drive. Is Disc Utility the best program to accomplish this?

    Time Machine keeps giving me backup errors. I've run Disc Utility repair on the external drive, which shows no errors but the TM error continues. I've been copying and pasting files as an alternative, but I thought creating an ISO image of the entire system on the external would be a good idea. There's plently of room on the external drive.

    Thanks again for the advice.
    i have lost several hours trying to get the free download of the latest Daemon to function.
    i eventually sucumbed to buying the full Mac version.
    i made a mistake in my email address and cant find a way of using the order number to effect a download.
    i have emailed Daemon with my details and optimistically await their response.
    Thank you again.

  • When I try to erase my hard drive by using the disk utility, the format is in gray and won't let me erase. What do I do?

    Ive got an iMac with bootcamp on it. Recently my computer has slowed down and I want to restore it to factory settings. The format says mac osx extended (journaled), but its in grey. Also, the security options and erase buttons are gray. The only button I am able to press is "Erase Free Space." I have a feeling that i might have to delete my bootcamp partition first. What do I do?

    To erase the OSX on your harddisk you have to boot your Mac from the OSx Install DVD that came with your Mac.
    You can't erase the OSx from which your Mac is booted.
    http://support.apple.com/kb/HT3910
    Stefan

  • Install Tiger gets stuck at "Verifying volume", Disk Utility not working

    Hi there,
    I am trying to upgrade to Tiger from OS10.3.9. I have repaired the disk permissions. Each time I try to install Tiger, it gets stuck at "Verifying Disk Volume". I then booted up from the Tiger DVD and ran Disk Utility from the DVD. Now First Aid is continually trying to repair the disk, and what appears over and over again is:
    Rechecking volume.
    Checking HFS Plus volume
    Checking Extents Overflow file.
    Checking Catalog file.
    Incorrect number of thread records
    Checking multi-linked files.
    Checking Catalog hierarchy.
    Checking volume bitmap.
    Checking Volume information.
    Repairing Volume.
    Rechecking volume.
    Checking HFS Plus volume
    Checking Extents Overflow file.
    Checking Catalog file.
    Incorrect number of thread records
    Checking multi-linked files.
    Checking Catalog hierarchy.
    Checking volume bitmap.
    Checking Volume information.
    Repairing Volume.
    etc...
    i don't know what to do about this. I do have two hard drives installed on my computer. The one I am trying to install on is a 74.5 GB ST380021A. The other is a 38.3 Maxtor 6E040L0.
    It would be great to know if anyone has advice on this. Thanks so much!
    clara

    Hi there,
    I am trying to upgrade to Tiger from OS10.3.9. I have
    repaired the disk permissions. Each time I try to
    install Tiger, it gets stuck at "Verifying Disk
    Volume". I then booted up from the Tiger DVD and ran
    Disk Utility from the DVD. Now First Aid is
    continually trying to repair the disk, and what
    appears over and over again is:
    Rechecking volume.
    Checking HFS Plus volume
    Checking Extents Overflow file.
    Checking Catalog file.
    Incorrect number of thread records
    Checking multi-linked files.
    Checking Catalog hierarchy.
    Checking volume bitmap.
    Checking Volume information.
    Repairing Volume.
    Rechecking volume.
    Checking HFS Plus volume
    Checking Extents Overflow file.
    Checking Catalog file.
    Incorrect number of thread records
    Checking multi-linked files.
    Checking Catalog hierarchy.
    Checking volume bitmap.
    Checking Volume information.
    Repairing Volume.
    etc...
    i don't know what to do about this. I do have two
    hard drives installed on my computer. The one I am
    trying to install on is a 74.5 GB ST380021A. The
    other is a 38.3 Maxtor 6E040L0.
    It would be great to know if anyone has advice on
    this. Thanks so much!
    clara
    hai clara,
    the issue is coz the drive on which ur trying to install has some issues .
    please goto the article http://docs.info.apple.com/article.html?artnum=13628
    in most of the cases u would try some third party disk utility like disk warrior and noton disk utility to repair the disk .
    then u need to run disk utility from the TIGER disk .
    follow the article
    http://docs.info.apple.com/article.html?artnum=106214
    to repair the disc .
    or else u can back up the data on ur HDD and then u need to do an erase and install of TIGER

  • Reformatting External Hard drive: Disk Utility crashes near the end

    I recently updated to Leopard and emptied off my external hard drive and then wanted to (zero out data &) reformat it and start fresh so as to use it with the new Time Machine feature.
    However, near the end of reformatting it with Disk Utility the progress just stopped and after giving it some time I did a force quit and sure enough it came to light that it had crashed. Since then I've tried again several times to the same result. I even tried doing it of the Disk Utility on the install CD and it crashed with one minute left!!
    Any help or advise would be greatly appreciated!

    Use a more powerful utility such as DiskWarrior, or a product such as those listed here.
    (108710)

  • "Disk Utility has lost its connection with the Disk Management Tool and cannot continue. Please quit and relaunch Disk Utility."  Trying to format my iomega external HD for use with Mac

    Hi. Trying to connect iomega ext. HD. i have to reformat for Mac. When i plug in & go to Disk Utility,the external shows up and i'm supposed to click "partition". When i do, a box comes up saying ""Disk Utility has lost its connection with the Disk Management Tool and cannot continue. Please quit and relaunch Disk Utility." I quit and relaunched, same results. After googling my question, i came up with this:
    "Disk Utility has lost its connection with the Disk Management Tool and cannot continue. Please quit and relaunch Disk Utility."
    (Quitting and reopening Disk Utility does not help.)
    The following also appears in Console log:
    *** malloc[419]: Deallocation of a pointer not malloced: 0x290a410; This could be a double free(), or free() called with the middle of an allocated block; Try setting environment variable MallocHelp to see tools to help debug : for architecture i386 object: ./Applications/iTunes.app/Contents/MacOS/iTunes malformed object (unknown flavor for flavor number 0 in LC_UNIXTHREAD command 27 can't byte swap it)
    Workaround
    Quit Disk Utility.
    From the Finder's Go menu, choose Go to Folder....
    Type the following, then click OK: /Library/Receipts
    Temporarily remove these iTunes receipts from /Library/Receipts (sort the folder alphabetically as a list):
    iTunes.pkg
    iTunes4.pkg
    You can put them on the desktop, for example. Do not remove iTunesX.pkg or iTunes Phone Driver.pkg.
    Open Disk Utility and repair disk permissions again.
    Quit Disk Utility.
    Put the removed iTunes receipts back in /Library/Receipts.
    Note: This issue does not affect Disk Utility's verify or repair disk features.
    All seemed good, for a moment, until, upon going back to Disk Utility after removing itunes4.pkg and putting on desktop (i did not have itunes.pkg to remove) the same thing was happening. When i highlite my iomega ext. on left of page, disk perrmissions is grayed and does not allow me to click on it. Same problem from the start. Can somebody please help me out here? That would soooo awesome. Thanx!

    i'm just scared i will do something wrong on my own and lose my data.
    You shouldn't be scared of that, because you should already have backups. If you don't have backups, then backing up is the first priority.
    Insert the Snow Leopard DVD and restart. When you hear the chime, hold down the C key and keep holding it until the Apple logo appears on the display. You should now see the language selection screen. Select your language, then choose Utilities > Disk Utility from the menu bar. In the Disk Utility window, select the external drive (not the internal). The drive may already have a data partition, in which case there will be another icon below the drive icon. Choose the drive icon, then select the Partition tab. Create a single partition with the default options (GUID partition table, Mac OS X Extended Journaled).
    When the partitioning is done, select the startup volume on your internal drive in the DU window. Select the Restore tab. Drag the icon of the startup volume to the "Source" field. Then drag the icon of the newly-created volume on the external drive to the "Destination" field. Make sure you have this right. Then click the Restore button, and the data on your startup volume will be copied to the external drive.

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