Adding more memory or storage, or swapping in a new battery or wireless card, can help squeeze a few more years out of that aging laptop. Here's how to figure out what you can upgrade, and how to do ...

But I know Lenovo puts a BIOS whitelist for wifi cards. I'm also concerned about if I will get max speeds out of the card as my laptop has a webcam, so is the model with two antennae instead of three.

If you're thinking of buying a new computer to replace your mind-bogglingly slow laptop, think again. These simple upgrades ...