Every computer users need to know how to use and improve their computers, for those who want some 'common-user' tips just click it here. But for us, Geek users; we are the special kind of users: we want to do something new and complex. We want to go above and beyond the basics knowledge of computer techy, computer upgrading and improvement, we want to explore every place and possible tweaks of our system and make everything easier. So, without further ado, just click it here to gain some knowledge and tips about computer, especially for the geeks.
These are some great tips which I've tried myself, go, try and practice yourself. There is no harm in trying. If anything goes wrong, it is your additional learning. Be the computer geek you want to be!