I built a PC couple of months ago using MSI K8N Neo4 Platinium mobo with 3200+ Athlon 64. Until recently it was working OK, but suddenly started developing random shutdown (complete instant power off). In most cases it shuts down during booting when the system is cold before even windows has time to load. Sometimes it shuts down immediately after the power button is pressed on (fraction of the second), even before anything has a chance to post, certainly before even hard drives are recognized. (This alone makes me think, that it is strictly hardware issue). When it manages to boot (which generally happens on the second or third attempt after failure), system remains stable for hours without any issues. Only once it did shut down on me when I switched on the power on the USB attached printer after it was already running for hour or so but I did not succeed to repeat this failure again.
The boot failure - shut down frequency is increasing also. Two weeks ago it was rare; probably I even missed some of the first ones. Now it happens almost every second or third boot with often multiple failures during single attempt to bring up the system until finally system boots and then remains OK for hours!!!
The event viewer reports nothing, there are no hardware conflicts, I did not install anything new in hardware or software. I did not upgrade BIOS or anything similar recently. The system is not overclocked and it's temperatures as reported by hardware monitor are excellent between 30 - 40 degreees Celsius after many hours of running.
I did all the "obvious" things including resetting CPU, memory and video card, resetting all cables that I could think of, but this did not helped.
Since it was looking like a faulty power supply, I did replace it yesterday with a brand new one. As you can guess, this did not help either.
What to do next?
I'm thinking faulty mobo, but this is getting expensive guesswork. Any ideas?
Jack
The boot failure - shut down frequency is increasing also. Two weeks ago it was rare; probably I even missed some of the first ones. Now it happens almost every second or third boot with often multiple failures during single attempt to bring up the system until finally system boots and then remains OK for hours!!!
The event viewer reports nothing, there are no hardware conflicts, I did not install anything new in hardware or software. I did not upgrade BIOS or anything similar recently. The system is not overclocked and it's temperatures as reported by hardware monitor are excellent between 30 - 40 degreees Celsius after many hours of running.
I did all the "obvious" things including resetting CPU, memory and video card, resetting all cables that I could think of, but this did not helped.
Since it was looking like a faulty power supply, I did replace it yesterday with a brand new one. As you can guess, this did not help either.
What to do next?
I'm thinking faulty mobo, but this is getting expensive guesswork. Any ideas?
Jack
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