Hi guys, I'm not able to get a client's pc to boot up. She says one day it just stopped booting up, out of nowhere.
I'll break this down so it is easy to see where I'm at:
no boot up at all
clicking PSU, blinking LED light on PSU
3. what I have ALREADY done:
removed motherboard from case,
disconnected everything (except USB ports and keyboard/mouse ports),
laid MOBO on a wooden table (to rule out shorts).
removed the 20 pin connector off the MOBO and "jumped" it, using a scrap piece of wire- going from the green to a black wire. When I do this, I get a normal PSU behavior, fan starts, and it tests out at specifications except I get a 900ms time, rather than the specification-mandated 400ms
*could this be triggering a problem elsewhere?*
Hence, I have a PSU that is getting power, putting out normal power ranges all the way to the 20-pin, with no clicking or "tripping" while I use the old wire jump trick on the 20-pin. As soon as I put it into the motherboard with really very little or no load, I instantly get the clicking again, and no dice. The only anomaly I can find is the 900ms on the PSU.
The only thing still connected to the MOBO is the all the little USB ports, the keyboard/mouse connectors, and the dial up cable port.
I am trying to trouble shoot and I guess my question is should I try a new processor, or go ahead and stop being lazy and take off all the USB ports, mouse/keyboard ports, ethernet port, and other stuff until I ONLY have
the CPU on the MOBO?
My hope is that by presenting everything I have already done, that it might be already apparent to someone else looking at this problem, and you can tell me what is dead or what is the culprit, especially if you've already dealt with this before, or in the case where it is obvious to you already what the problem is. It seems like working on PC's is like working on complex math problems: it is always good to have someone else check for errors in your work, since they are less likely to keep repeating the same errors you have.
Thanks in advance for the help!