This simple USB trick adds physical security to your PC without buying extra hardware.
How-To Geek on MSN
How to set up a perfect rescue USB that can save any PC
Saving a PC can go from very hard to extremely easy once you set this up.
Windows install floppies and discs have gone the way of the dodo, but it still pays to keep a copy of the OS on a USB drive. Here's how to make your own.
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