Software :: Wipe Internal Hard Disk - Erase All Information?

Oct 26, 2008

I'm wanting to sell my old Mac mini, but I need to know how to erase any and all private information that I don't want any possible buyers to have access to. How do I go about this?

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OS X V10.7 Lion :: "Secure Erase Free Space Failed With The Error: Some Information Was Unavailable During An Internal Lookup"

Mar 25, 2012

Out of the blue tonight, my Mac Mini running OS X Lion will no longer secure erase my empty space. Whenever I try to do so, I get the following error: "Secure Erase Free Space failed with the error: Some information was unavailable during an internal lookup" I've rebooted to no avail. I also did a complete shut down and boot up, but the error persists.

Mac mini (Mid 2011), Mac OS X (10.7.3)

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MacBook Pro :: Erase Corrupted SSD Internal Drive - Can't Unmount Disk

Dec 6, 2014

I'm trying to erase my SSD internal drive that is corrupted software (Yosemite).I'm booting from an external with 20GB Yosemite OS & 480GB that contains files I've dragged off the internal SSD.I'm getting the error:Volume Erase failed with the error:Couldn’t unmount disk.How can I get around this?

MacBook Pro, OS X Yosemite (10.10), 13"

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IMac :: Hard Disk Wipe For Intel - DBAN Work?

May 12, 2009

Does anyone know what would be a good hard disk wipe program for the intel iMacs? I am also wondering if Dban works as well.

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OS X :: Does The Free Space Wipe Option Also Wipe The Slack Files On The Hard Drive

Dec 15, 2008

When using the Disk Utility free space wipe to wipe sensitive data (using the 7 times option), I thought that would be sufficient.

I was wondering though, does the free space wipe option also wipe the slack files on the hard drive? Is this even an issue for a Mac? (I know on Windows the slack file needs to be wiped for a completely secure erase, right?)

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OS X :: Hard Disk Space Information Under HD Icon?

Feb 28, 2008

One quirk about the Finder is driving me bananas. I just recently bought a new Penryn Macbook Pro and its the first time I've had a triple digit hard drive (200 Gb). In the Finder view options in Leopard, I enabled the "Show item info" and the icon of the hard drive in the desktop displays the size of the hard drive and how much is free. Right now it says "185.99 GB, ...,27 GB free". (see jpeg)

The "..." is driving me up a wall. I can't stand that it won't display "127" and instead puts "...," in there. Is there any way to get the Finder to quit doing that?

I tried searching but I can't find anything here or elsewhere. Hoping you seasoned Mac users may know of something I can do about this.

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OS X :: Unable;e To Boot From Internal Hard Drive / Use Disk Warrior To Repair Disk?

Apr 11, 2010

I am considering purchasing diskwarrior but want to make sure it can help my situation before I purchase it. My imac will not boot from the internal hard drive (Intel processor) When I use disk utility to try and repair the disk, I get error messages and it won't repair. I can see the HD but cannot repair it. When I connect using target mode with my mac book pro, the hard drive does not appear on my host (macbook pro) computer. I have reloaded OS X (Leopard) onto a firewire external drive and can boot my imac that way but I can not find my original internal Macintosh HD. Will disk warrior be able to help with this scenario. I would really like to access that internal Macintosh HD and retrieve my files.

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Hardware :: Internal Hard Disk Does Not Show In Startup Disk Options

Jan 1, 2008

I have 2 internal Serial-ATA disks:

Both were checked (with Disk Utility and DiskWarrior) and are OK. But only one of the two disks shows in the Startup Disk list in System Preferences->Startup Disk.

PowerMac G5 / OS X (V.10.4.11)
3GB memory

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MacBook Pro :: Internal Hard Disk Is Not Visible In Disk Utility?

Aug 28, 2014

I am trying to repair my mac. But in disk utility, the hard disk is not visible to proceed. Its showing disk0 -> volume with only 1.79GB. and all the options are disabled. The capacity of my mac book pro was 500GB. 

MacBook Pro, OS X Mavericks (10.9)

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MacBook Pro :: Clean Up Hard Disk Through Erase & Install

Jun 25, 2012

I have a MacBook Pro which was originally supplied with OS X10.4.9. I have upgraded using disks purchased from the Apple store to 10.5 and subsequently 10.6. More recently I upgraded to 10.7 using the download from the online App Store. I would like to perform an Erase and Install to get rid of the 'dross' on my hard disk and may do this as part of the 10.8 upgrade although have yet decide whether to wait for this or not. 

when doing the erase and install, do I have to start from scratch by loading the original 10.4.9 OS X version or can I start at 10.7. If the latter how would I do this given that I don't have a disk as it was downloaded from the App Store?

MacBook Pro, Mac OS X (10.7.4), 2.4 GHz Intel Core 2 Duo

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OS X Mavericks :: Can't Erase Hard Drive Because Can't Unmounted Disk

Dec 2, 2014

Cant erase hard drive because cant "unmounted disk"...My hard drive crashed about a month ago, and i used a program called data rescue to clone hard drive. when i put it in mac it will not load. now all i want to do is erase the drive and install Yosemite as new mac. but cant install or erase the hard drive.

MacBook, Mac OS X (10.7.5)

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MacBook Pro :: Hard Disk Died With Confidential Information / What Does Apple Do With Data

May 24, 2012

does Apple guarantee that the data from a dead hard disk will be destroyed? I'm in Chile and the authorized support stores don't handle that information. 

MacBook Pro (13-inch Early 2011), Mac OS X (10.7.3)

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OS X :: External Hard Drive And Disk Utility Erase Options

Oct 17, 2010

I have an external hard drive that was used on a PC. I want to use it on a Mac. I went into disk utility and did an erase. (Extended Journaled and in security options changed it to zero out data). I can now use it on the Mac how ever it is telling me that there is 54.1 MB of used space. I want to have access to this. How do I do it?

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Hardware :: Will Disk Utility Partitioning Erase Hard Drive?

Dec 19, 2010

I have a hard drive with about 250 gb of film and music on fbut it's formatted as HFS+ which windows cant read! I need to partition the drive to make windows be able to read at least a portion of it. But If I run disk utility and create a partition will it erase the info I already have on there? I don't have this data else where so I hope it wont!

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OS X :: Using Terminal To Erase Hard Disk Because Can't Boot From Dvd To Reinstall Tiger

Aug 4, 2007

i know that diskutil has alot of commands and im not sure how to use them, i would specifically want to know how to use eraseDisk properly. Or is there any other way to clean install tiger without using darwin? I know eraseDisk gives me a format to use but i never get it right for some reason. diskutil eraseDisk "Journaled HFS+" MacintoshHD bootable /dev/disk0 -- this works i got it right now but it gives me this error: could not unmount disk for zeroing

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MacBook Pro :: Cannot Erase Hard Disk In Order To Set Factory setup?

Apr 4, 2012

You can not post a blank message.

MacBook Pro (15-inch Early 2008), Mac OS X (10.3.x)

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OS X V10.7 Lion :: Using Super Duper To Erase And Restore Hard Disk?

Apr 18, 2012

My older MBP is running very slow, and I have tried all the usual ways of making it run quicker - repair permissions, repair disk from Lion recovery partition, remove extraneous files, checking Activity Monitor, etc. etc. Someone suggested reformatting the HD and then restoring from a backup. I have the HD cloned to an external HD with Super Duper, but if I reformat the internal HD and restore from the clone, won't the problems that caused the issue in the first place just be cloned into SD and then restored to the reformatted internal drive, thus defeating the excercise?

Pro, Mac OS X (10.7.3)

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Applications :: Big Hard Drive And Disk Utility In Tiger Says Secure Erase?

Dec 17, 2010

I try to securely erase big hard drive and Disk Utility in Tiger says Secure Erase. Pass 1 of 7. Estimated time 123 hours

Is this progress bar only for erase 1/7 or for all 7 passes (1-7/7)?

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OS X :: Disk Utility Now Allowing Me To Erase My Hard Drive - Way To Install Leopard

Aug 15, 2009

1. To grab all the files I need/don't want to lose (photos, music, documents, etc.)2. Then completely erase the 500GB HD so I can then install it into the new Macbook Pro and install Leopard.(I'll then externally connect the 160GB HD that came w/ my Macbook Pro and add the files I've already copied into that 160GB HD into the 500GB Leopard installed HD in the new Macbook Pro)So, currently my 500GB HD is connected to my Macbook pro and I want to completely erase everything so I'll then have a completely clean hard drive, to then install into the Macbook Pro, add the installation discs and install Leopard into the 500GB HD.

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MacBook Pro :: Wipe / Erase All Data Except Operating System

Jul 27, 2010

From my PowerBook g4. Looking to give it away and want to erase all data except operating system.

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IMac PPC :: Erase/wipe Clean Old, 2001, Desktop So Can Donate It?

Jul 5, 2012

How do I erase/wipe clean my old, 2001, desktop so I can donate it?


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Intel Mac :: How To Erase All Information

Mar 26, 2012

I have to erase all my files and personal information because I give my iMac to a friend and I don't know how to do it


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OS X :: Disk Utility Cannot See Internal Hard Disc

Jun 5, 2009

I have had a problem for about a month whereby my MBP won't shut down, it just hangs after it has cleared the desktop and only the wallpaper is displayed. Now disk utility won't see the disk at all, and Software Update also does not find any updates. It checks for new software for ever. My mac starts up fine, and I can use it as normal.

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Software :: Mac Not Recognizing Internal Hard Disk

Aug 18, 2009

I'm using macbook1,1. Previously I used both mac osx,tiger and win xp operating systems. yesterday, I tried to remove winxp. I dont know what happened suddenly my laptop stopped recognising internal hard disk. When i'm starting laptop its showing white screen, nothing else. When I keep mac OS dvd its processing but not showing hard disk. I searched in disk utilities there also not able see any hard disk detection. I'm not able to understand what happened.

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Intel Mac :: Internal Hard Disk Cleanup?

Feb 2, 2012

I am in need of some cleaning up of my hard drive. Here is what I have done so far.  I purchase a 2 TB hard drive, I also have a 500 GB, both external. I have created 2, 1TB partitions.  One is for the time machine and the other is for my music, imovies, large artwork files and random documents.  Now that all of that is off of the internal hard drive, I need to clean up the dirve do that when I look at the drive, it doesn't say 2 GB available.

iMovie '08, Mac OS X (10.6.8)

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Mac Pro :: The Internal Hard Disk Ejects Spontaneously?

Apr 20, 2012

I have a problem with 2 drives. Was ext. HD Samsung 1.5TB, but I put them like internal on my MAC OSX 10.7.3. After that Those drives start ejecting spontaneously.

Mac Pro, Mac OS X (10.7.3)

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Mac Mini :: How To Merge 2 Internal Hard Disk As One

Apr 27, 2012

I am the user of Mac mini i7 server. There are 2 internal hard drive. I have had itunes library about 470G. It is nearly the limit of one hard drive.Can I config the Os so 2 Hard drives can be seen as One? I want to keep on saving songs to the same library. As I know the itunes can only treat one file as the music library. Am I correct?

Mac mini

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MacBook Pro :: Disk Utility Says Internal Hard Drive Is Failing?

Dec 28, 2010

However, my hard drive appears to be running fine - haven't noticed any degradation of performance since receiving the warnings two days ago. And HD is still running quiet (no strange mechanical noises I'm accustomed to hearing prior to a failure). Nevertheless, I'm installing a new HD tomorrow and recloning it from a backup external drive (operating from external until then).

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PowerBook :: External USB / Firewire Holder For Internal Hard Disk

Jun 29, 2014

I want to get one of those hard disk 'holders' that allows you to plug an internal-type hard disk into the USB or Firewire port of another laptop. I want to know if they need to be specific to the type of hard disk/laptop or if they're more of a one-size-fits-all type of thing. The hard disk is a solid state type that I installed in a mid-2010 model MacBook which has now failed. I want to connect it to a 2005-model PowerBook G4. Can this be done and what do i need to buy to do it?

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Intel Mac :: Erase Hard Drive Mac OS X (LION) "Couldn't Unmount Disk"

Apr 15, 2012

I've just transferred my data to a new computer and now need to erase the hard drive on my old one.. I've tried Disk Utility, increased the security, and tried 'erase' but I keep getting an error message "couldn't unmount disk". I've gone into Partitions and tried deleting the HD there as well but I get the same message. I just want to get the computer securely wiped and would like to keep Lion as the operating system. 

Macbook 2GB ram, Mac OS X (10.4.9)

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