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I have a recurring fault with the PC. I believe it may be a power supply failure. The PC will die a couple of seconds after switching on the power.
The only thing that remedies the problem, is to re-insert the processor and memory modules.
The computer will boot up fine after that normally.
NOD32 AV will often need reinstalled after this sequence.
What would cause the PC to fail?
You shouldn't ever have to re-insert the processor.
Usually you have to remove the heatsink to remove the processor. If it has a thermal pad on the bottom of the heatsink you are not supposed to re-use it if it has any damage at all - you are supposed to scrape it off and replace it with another thermal pad or use thermal paste or grease instead.A common thing that can happen with ram, even ram that worked fine previously, is the ram has, or has developed, a poor connection in it's slot(s).
This can cause the computer to not boot in some cases.
This usually happens a long time after the ram was installed, but it can happen with new ram, or after moving the computer case from one place to another, and I've had even new modules that needed to have their contacts cleaned.See response 2 in this - try cleaning the contacts on the ram modules:
http://www.computing.net/hardware/w...Failing power supplies are common and can cause your symptoms.
Check your PS.
See response 4 in this:
http://www.computing.net/hardware/w...
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I have replaced the PS and everything seems to be running smoothly. The scary part was that after posting the original message, the electricity in the house had tripped several times. So it could very well have been a shorting PS!
One more question. Do I need to use insulating tape on the ends of PS connectors which are not in use?
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Sounds like you're good to go.
"Do I need to use insulating tape on the ends of PS connectors which are not in use?"
No, unless they are in a weird circumstance where the metal connectors on the wires inside them touch something. They are designed such that the metal doesn't stick out past the plastic the connectors that enclose them are made of.
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You're welcome - to help is why we answer.
If you don't already have one, your computer and everthing that connects to it that uses AC power, and your cable that connects you to the internet (phone line or coax cable), should be plugged into a device or devices that protect(s) your system from damage caused by power spikes and surges. It should have an led on it that tells you whether the protection is actually there, and should come with insurance of $x,xxx towards replacing anything damaged if it fails.
This is most commonly a surge and spike protected power bar, or a UPS unit that also has a backup battery for supplying power when the regular AC power fails.
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