alright, I got an old desktop, ASUS CUSL2/PIII 733 I got it in about 98, but the only parts that are from then are the mobo/cpu/video(riva tnt2 M64)/sound(sound blaster live) a couple years ago, I got a new case with a 450W PS(cheaper one) new DVD drive, new 60 gig HDD, more ram, new cd burner. it has been working fine until a few months ago. I dont use it very often at all, and when Id go to start it up it would light and the fans would come on for a half a second or so. (my case has lights around the side with a clear window). I see the cpu fan, PS fan and case fan all spin up for a splt second as well as the lights for a secondd, then nothing, and I cant do it again, I have to wait a while an it will do it again. eventually it starts up and runs like normal, and if I use it the next day most likely it will be fine, but if I let it sit a couple days or longer it does it again. and right now I cant get it to start at all. and I noticed if I hold the power button for over 5 seconds, let go and press it again, the fans and lights go for a split second, hold it again for 5 seconds and release and press it again and the lights will come on again. if I hold it for less than 5 seconds then it wont do it. I got a new cmos battery and it didnt do nothing I unhooked all drives except the floppy and it still did it. the led on the mobo is on telling me that the psu is on. it is flipped to its 115v selection. what do you think the problem could be?