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Old PSU plastic stuck inside CPU Power Socket

Only one of my CPU 4+4 pins (right one) is fitting into the CPU socket on the motherboard, what should I do? PSU : SuperNOVA G2 850W
MOBO: M5A99X EVO R2.0
Thanks for help
18 answers Last reply Best Answer
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  1. its keyed so it will only go in one way try twisting it round to get it to fit.
  2. Dunno whether to create a new thread but there's a piece of plastic from my old PSU stuck in the socket, which is stopping the new one from fitting in but the old one is fitting in fine.
    Top Right
    http://
    How the hell do I get this out, Ive tried but its not budging - can you remove the blue plastic somehow and put it back on?
  3. that black plastic? try removing it with a knife, tweezers or needle nose pliers.
  4. unlikely but can trim that blue corner down carefully to maybe get at that black plastic better.
  5. Now unless you have a major powered CPU, you may get away just using 4-pin power.

    If 8-pin required I would do this, assuming that thing is not glued/melted shut:

    Remove Mobo from case and using a thin drill bit, so you can poke a paper clip in there, drill a hole through the white plastic at an angle, bottom to top, you just want to drill through the white plastic and stop. With the hole now you stick the paper clip wire up there in the attempt to PUSH the dislocation upwards. You gotta be patience. Many tries maybe required.
  6. Ok I think it's melted inside on the connectors side's, now what?
  7. That pin is burnt up, you need to replace your mobo.
  8. Dam, is there no way I can send the Mobo into asus for repair or will it be more expensive
  9. I can't tell you what the cost of repair will be, but that pin is burnt up and likely so are the traces it connects to. Not going to be cheap, and they could count it as improper handling.

    Is this the same board you asked for help on about a week ago?
  10. Yes it is, but now I know the exact problem. So your saying I should just buy a new one?
    Thanks for your help though
  11. Best answer
    Yes, replace the mobo, like I suggested then.
  12. OKAY people, dumping the Mobo for this, IMO, little thing, is probably unnecessary waste, unless you are itching for a new Mobo anyway.

    Do you understand what this connector does? Is a simple 12V feed, that's it. It only provides 12V to the Mobo and that's all it does. 4 of those wires are ground and the other 4 are the 12V. Missing just one wire is not going to affect in a major way, I would just go without that one wire by cutting it off completely. BUT, if you want it perfect, a new Mobo$.
  13. The thing is previously I was using only one of the 4+4 pins because stupidly I thought the other 4 pin header didn't fit because the keying was different on the PSU cable and the mobo but apparently that doesn't matter and you're juust meant to push it in anyway. However I didn't know that until after the melting occurred so this time I'm not gonna take any chances and just have both 4+4 pins in. Somehow this only happened after a year and a half though which is why Im not 100% sure that is what caused the melting in the first place. :(
  14. My educated guess is, the melting occurred because that particular pin wasn't making a solid connection, this creates resistance between the contacts and resistors create heat, I have seen this is of Macbook power connectors, they get dirt, connects between the metals are not solid, a resistance is created, a picture of those connector look like they are fused.
  15. The connector from the psu itself caused the melting problem.

    The mobo socket has round pins, these are not flexible as such. The connector has round barrels that are split in 2-4 places, so as to allow the barrel to flex outwards slightly when the pin is inserted. If the pin is slightly out of 'true' due to bad manufacturing, user abuse when connector installed etc, then the barrel in the connector gets stressed in 1 direction. This makes for a nice tight fit on part of the barrel, and loose fit on part. Because of the amount of amperage passed through that barrel, its mostly passing through the good fit portion, which usually isn't efficient enough, which creates heat, which creates resistance, which creates more heat and so on until it's burned.

    It'd be exactly like using a lamp cord as jumper cables.
  16. jsmithepa said:
    OKAY people, dumping the Mobo for this, IMO, little thing, is probably unnecessary waste, unless you are itching for a new Mobo anyway.

    Do you understand what this connector does? Is a simple 12V feed, that's it. It only provides 12V to the Mobo and that's all it does. 4 of those wires are ground and the other 4 are the 12V. Missing just one wire is not going to affect in a major way, I would just go without that one wire by cutting it off completely. BUT, if you want it perfect, a new Mobo$.


    The connector pin is burnt and some plastic melted. The heat could have also damaged the traces under the pin, and that damage is unknown if it goes further. Continuing to use this port could cause further damage that might not be limited to just these pins. It could cook VRMs, damage the socket or CPU, or even short out at the connector and start a fire. I'm not about to tell someone to McGuyver a connector and risk them getting further damage to their equipment, or possible injury to themselves.
  17. see if that pin is directly connected to the other 3 12v pins or the have separate traces that go to different spots on the board.
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