If you're ready to replace your old PC and hand it down to a friend or family member, you'll need to wipe your data and reset it. Follow these instructions to make sure you do it the right way.

ZDNET's key takeaways Frequent computer maintenance is key to keeping your desktop performing at its best for years after purchase.It's an important habit to build early on, and most tools you'll need ...

Canned air dusters can also make matters worse if misused. High pressure, wrong angle, or getting too close can blow dust ...