Ok, so I have read the articles on this site referencing the emachines. Unfortuantely I have 2 of them as well as another computer. The older emachine tower 400 worked fine- I just took it apart. The newer one hasnt worked since I got it. Someone gave it to me and I just assumed that someone fried something on it. I dont know how to check and see if components are working other than plugging them into another computer and its not like I have a huge work space. In any, I wanted to take the best parts from each of the 3 and put them into the Emachine T1140. For whatever reason I cannot get it to turn on. So I take out the power supply- not as many watts as some of you have but of the 3 I have it is the best. I put each of the other power supplies in and nothing happens except that with one it makes a noise for about 5 minutes. No led lights coming on, no other fans coming on, monitor wont come up because there is nothing feeding it. I have no idea what to do and I find it hard to believe that I just need to scrap all of these parts. It has been a few years since Ive stuck my hands inside a pc so I may be a little rusty, but when I put my other one back together it worked just fine. I appreciate any info you can give me. Thanks