Some USB keys have a physical write-protect switch on it, but many don’t. It is possible to make your USB 2.0 “write-protected” simply by modifying the file-write permissions on it. Fortunately this can be done without the need to hack the registry or use any apps. Check out the video below to see how it’s done (it’s really easy).
The PCMech.com weekly newsletter has been running strong for over 8 years. Sign up to get tech news, updates and exclusive content - right in your inbox. Also get (several) free gifts.