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You are here: MacNN Forums > Hardware - Troubleshooting and Discussion > Mac Desktops > What's the best way to erase my hard drive info?

What's the best way to erase my hard drive info?
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Junior Member
Join Date: Dec 1999
Location: Brooklyn
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Jan 26, 2004, 08:51 PM
 
I'm selling my old machine (iMac DVSE running Jaguar) and want to wipe out the data on it before i send it out. What's the best (and easiest) way to do that?

I tried using disk utility but the erase function was grayed out and wouldn't let me do anything.

PS - I would do a search but the search function doesn't seem to be working right now for some reason.

Many thanks!
--------------------------------
eMac / 80 gig HD /1Ghz G4/ 1 GB memory / OS X.3 / Superdrive / 40 gig iPod Photo
READ MY BLOG: www.informationleafblower.com/blog
     
Mac Elite
Join Date: Dec 2002
Location: Bay Area of San Jose
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Jan 26, 2004, 09:24 PM
 
Boot from the cd and in the menu select Disk Utility. Then select your Hard Drive and the click the tab erase. Then there is an aqua options button, in the pop up window select the option zero all data.
     
Junior Member
Join Date: Dec 1999
Location: Brooklyn
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Jan 26, 2004, 10:18 PM
 
my internal cd drive doesnt work anymore.

Can I do this from an external CD drive?
--------------------------------
eMac / 80 gig HD /1Ghz G4/ 1 GB memory / OS X.3 / Superdrive / 40 gig iPod Photo
READ MY BLOG: www.informationleafblower.com/blog
     
Forum Regular
Join Date: May 2002
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Jan 27, 2004, 11:10 AM
 
If you can "boot" from an external disk , do that. Then go to your HD folder and chose "Write Zeros" or Zero Data on HD.
That is the only way to be sure. Standard format is not enough.
Erase is not enough.
All those do is alow you to over-write the existing data.
To completely elimianate all data you must rewrite the entire HD with Zero`s that way theres nothing left ( but zero`s )
I hope this helps.
     
Forum Regular
Join Date: May 2002
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Jan 27, 2004, 11:19 AM
 
One last tip !
If you can`t do that , take the HD out and replace it , then take a 10 lb sledg hammer to your HD. If you have private info and don`t do those steps experts could read whats on the platers of your HD. I`ve heard that they can disassemble a HD take the platers out and read them , (how do they do that ?).
I`m on my 3rd HD and the last two were taken apart and smashed with my trusty sledg !
Don`t want anybody seeing private data, none of there business!
     
Mac Enthusiast
Join Date: Jan 2002
Location: Trondhjem, Norway
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Jan 27, 2004, 01:52 PM
 
If you were able to start up from an external disk running Panther, you could probably thrash everything on the internal iMac drive and then use the Secure Erase option from the Finder menu.

Only zeroing the drive won't really make it impossible to get back data from the drive, since there will still remain traces of the old data. Secure Erase will overwrite the data multiple times, making this much more difficult.
     
Fresh-Faced Recruit
Join Date: Feb 2004
Location: freehold, nj
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Feb 11, 2004, 10:34 AM
 
I don't know. I kinda like the sledge hammer option. Gives ya security and a great chance to break stuff.
     
   
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