How do you modify your computer?

Now, Im looking at computer and my dad comes up and says "that computer doesnt have enough of this, this,and that." When i mention that i am not spending $40 for 2 gb of ram and that im going to put the extra parts in myself, if i get it, he...

if computer controlled does that mean i just have to buy a mod-chip?

I bought the new lego harry potter game and when I put the disc in my laptop and press install it says "lego harry potter has ended prematurely because of an error. your system has not been modified. to install this programme at a later time click...

Well, Is there? I was bored so I decided I'd try to see if I can modify the mouse, keyboard, and display off an old laptop (Compaq Contura 430CX) to work on my desktop computer. The mouse seems like it'd be simple, it only had 6 output pins, just like...

How do I convert stereo speakers into computer speakers? Behind the stereo speakers are black & red wiring inputs. so how am I suppose to change this into computer speakers?

I am wanting to play Battlefield 3 on my PC, but not sure it can handle it on pretty decent graphics settings. Specs: Intel core i7 (3.4GHz) 8gb memory 1TB SATA hard drive ATI Radeon 6700 Series upgraded to 700w power supply *What all could I upgrade...

I have an old computer and a lot of new games to put on it (Oblivion, Fallout 3, Bioshock). I have installed them into my computer and fallout doesn't work and Oblivion refuses to be installed. I am planning on getting a new graphics card but I'm not...

For example adobe photoshop or microsoft word? Are these things written in accessible languages, and is it possible to access the code, modify it or even adapt it for one's own programmes? I don't have much programming knowledge myself, but I'm just...