Before you buy a new one, try these quick checks. It's often just a dirty charging port.

What to do in the first few minutes to give your phone the best chance. And no, skip the rice.

The most common reasons a computer slows down, and the easy fixes that speed it back up.

Simple things anyone can do at home to speed up the internet before calling anyone.

How to tell if your battery is worn out, and when a quick replacement is worth it.

That scary "your computer is infected" message is fake. Here's what to do instead.