How to Change CPU Power Supply? (DIY)?

I'm going to change CPU Power Supply myself but need step by steps guideline. Is there any recommended website should i refer to guide me?How to Change CPU Power Supply? (DIY)?Its not difficult. You unscrew and remove the power supply that is in your computer, and then you screw on the new power supply. Obviously, when removing the old power supply, unattach the power cords to the hard drives, disc drives etc. And when you pop in the new one, just attach the power cords back to the drives, etc. A new power supply will come all in one piece (the power supply box and all the power cords hanging from it). You do not need to install any software, you do not need to do anything extra or special. Just remove the old and put in the new.How to Change CPU Power Supply? (DIY)?as long as you buy one that meets your needs, it should take you 3 minutes w/o instructions or skill.How to Change CPU Power Supply? (DIY)?first you should remember the place of wires your pulling of,then pull out the psupply,ofcourse unscrew it,then look for the same model of the power supply