Computers have become an essential part of our everyday lives, but a lot of their ins and outs are still a mystery to most users. That's why we rely so heavily on IT professionals. But when you're trying to recover an important document you accidentally trashed, or your computer won't boot up five minutes before an important presentation, calling a busy tech-support line may not be the quickest option. To help you help yourself, we spoke with the pros and found out nine things everyone needs to know about computers.
1. Back up your files.
"When customers bring in computers that won't boot up, they're usually upset not because their machine isn't working, but because they can't access the five years' worth of photos they've saved on their hard drive," says Matt Dworkin, deputy of counter intelligence for Best Buy's Geek Squad. "I always say that your data is more important than the actual computer." To protect your items, back up your computer on a