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Hai,
Once i switch on Pc, it started, fans are running, within 5 seconds it stopped. Unless i unplug power cable, i cannot restart. After restart also same problem. I changed new power system. Problem same.
Then i changed RAM, problem same.
Then i changed motherboard, still problem same.
Then i remove connections of HDD, CDROMs, kepp only motherboard, still problem same.

What the problem might be?? Processor??

pls help me
thanks
Sum

Hi Sumrao,

Welcome ot PCHF!

We have an excellent team of tech experts who are more than happy to help you through this.

What operating system do you have installed on your PC.

This will allow me to put this thread where it's most likely going to be answered properly.

In the mean time, have you seen this thread? It may give some insight as to what's wrong. It sounds like you are having a similar problem.

Otherwise, have you moved the computer around lately? Even a small amount of jostling is enough to shake a stick of RAM out just enough.

DOuble check that your fans are all spinning freely and (along with the power supply) aren't coated in dust.

Hai, double-a,
Thanks for reply.
I gone through the thread what u suggested.
My OS is Windows XP Proffesional.
I didnot move PC. I checked all cables, connections are correct.
I tried all ways, keep Ram, without RAM, with connections 1 by 1.
Finally i am guessing may be it is switch problem or processor problem. Only those 2, i don't have spare . all other i tested with other items.

Thanks
SUM

Hai,

I found it is switch problem. I tried put the reset cable on power point place on motherboard. It is working.

Thanks
SUM

:hello2: Great Job Sum,

congratulations. It's really fun to figure it out finally isn't it?

We'll look forward to seeing you in the forums.

TTFN

LGW

Marked as Fixed.

Good one, Sumrao. Glad things are working again. I find boot failure type errors are the scariest but always have the funniest/simplest solutions even if not very obvious.