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Level 1

4 points

i bought a used computer can i back track or erase preveous user

i bought a used computer can i back track or erase previous user?

Posted on Oct 8, 2012 1:05 PM

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Level 4

2,639 points

Oct 9, 2012 1:42 PM in response to trb129

To permanently erase everything you need to zero all data on the disk.

http://www.udel.edu/pnpi/tools/erase/mac/erasedisk.html

http://support.apple.com/kb/HT1820

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i bought a used computer can i back track or erase preveous user

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