However sentimental you feel about that old computer (or seven) you’re hanging on to, maybe you’ve decided you can’t take it with you the next time you move. Maybe it doesn’t boot. Maybe it’s so old, it doesn’t connect to the internet. If you want to save whatever is on the hard drive, you don’t need your old PC to work or connect to the internet. All you need is a screwdriver and a compatible plug-and-play storage drive dock or…