No power from PC after electric surge

someone please help!
i picked up a new psu (corsair hx650), just plugged in with the same result as before.. no response from unit.
Your task was wasted energy as noted before. Instructions to have useful numbers in a minute were provide days ago. Why did you not do as instructed? Why are you still posting questions that no responsible poster can reply to ... because you have not yet provided a single useful fact - those numbers?

Swapping a supply could have made the problem exponentially more complex. Blindly swapping parts on speculation may even create more damage. Measuring with a meter cannot cause any additional damage AND result in an immediate useful reply.

Having shotgunned, what did you learn? Answers due to shotgunning include "I speculate it must be a motherboard", "must be a CPU", and encouragement to keep replacing perfectly good parts. Why? Because no responder can provide a useful suggestion. Your replies are as predicted: keep replacing parts until something works. Your replies will be as useful as the information you post. If you want useful replies, you must post useful facts. That means posting numbers using the meter.
 
update, no idea how this happened..
but i got a different mainboard/cpu from a friend. plugged in, this worked fine, so disconnected, and connected all my original components, and now they too are working ok!
again, i have no logic to what caused this, however its working, i will keep an eye on it though!
 
update, no idea how this happened..
but i got a different mainboard/cpu from a friend. plugged in, this worked fine, so disconnected, and connected all my original components, and now they too are working ok!
again, i have no logic to what caused this, however its working, i will keep an eye on it though!

well thats good ,the only explanation i can think of would be one off your power leads wasnt properly conected
 
update, no idea how this happened..
but i got a different mainboard/cpu from a friend. plugged in, this worked fine, so disconnected, and connected all my original components, and now they too are working ok!
again, i have no logic to what caused this, however its working, i will keep an eye on it though!

It does reads like a connection problem - it may be wise to clarify whether it was due to initial poor installation (unlikely given your efforts) or a dodgy connection.

Read this thread, you may find it useful and apply where necessary, if required.
 
The fight over surge protectors is a bitter one. The informed consensus seems to be that they're a placebo, but they make people feel happier.

Hmmm, depends on the quality of the surge protector tbh. However, if you buy one which gives an insurance backed guarantee, at least if your psu, mobo and ram are fried, they'll cough up for replacements, placebo or not ;)
 
update, no idea how this happened..
but i got a different mainboard/cpu from a friend. plugged in, this worked fine, so disconnected, and connected all my original components, and now they too are working ok!
again, i have no logic to what caused this, ...
One of the many things those multimeter numbers would have exposed as long as you did not complicate the problem with disconnecting and swapping parts.

Connectors are self cleaning. Break and make a connector can correct a conductivity problem (less likely in your case) or temporarily solve an intermittent. With numbers, where to look could have been identified. Currently you don't even know what to look for - to solve the problem definitively - without doubt.

Of course, this assumes a connector problem. Even that is only speculation due to insufficient facts other than the conclusion.

Maybe it was a stay metal fragment on the motherboard or a metal standoff improperly mounted. Or another 30 possible reasons. Without important data before making any changes, only wild speculation can exist - which is why so many will only blame the one or two things they understand.
 
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