PC freezes with buzzing sound - Motherboard or RAM issue?

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Doug Y

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Aug 7, 2014
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I've been having issues with random freezes, accompanied by slowed/buzzing sound for the last few months, ever since I moved house. After a fair bit of uncertainty with regards to the cause, I now suspect it's down to the 24-pin connection to my motherboard being loose.

I've put some pressure on it, stopping if it looks like it's going to bend a bit, but it doesn't seem to stay firmly in enough for my liking. It also doesn't "click" in place, although I can't remember if it did that in the first place. Any ideas as to the cause, and potential solutions?

Edit: When I was re-seating the 24-pin connector, I struggled to keep the connector in the motherboard initially, and the connection point on the motherboard felt slightly "loose", is this something to be concerned about?

(Changed title)
 
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Jcomptech

Jcomptech

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Aug 11, 2014
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There can be many answers here. First of, check to see if your cpu fan is working and seated propely. If that isnt it, then try to analyze the 24 pin and see if it is connected to your liking. If it is connected then follow my next steps. Now, has this been the case ever since or just when you moved houses? If so then try seeing if anything is getting caught on fans. Something could have hit against something and maybe slighty damaged a component. I am sure that may not be the case, as you were probably more careful. Lastly, do you have to hard reboot after it freezes? It could be the GPU with a bit of coil whine. I have a buzzing noise when mine is on load (i.e. playing games). To ensure my advice is correct, post your specs down below :)
 
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Doug Y

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Thanks for the response. I've checked the fans and they all seem to be going, but I'll check this again when I have time tomorrow. The temperatures also seem to be normal. I should have specified, but the sound is coming from my speakers, not the PC itself, and it's clearly what was playing before the freeze, but slowed/distorted.

The reason that I think it's related to the 24-pin connector specifically is that the first time I booted my PC after moving, I had to reseat the 24-pin connector for it to boot, and have had to do so again once or twice since when I've moved my PC around. I actually thought it could be a PSU/Cable problem until I tried another PSU and it had the same results.

My specs:

CPU: Intel i5-2500K (stock heatsink)
GPU: 560 Ti (PNY, stock cooler I think)
Mobo: Asus P8P67
RAM: 2x4Gb Corsair Vengeance.
PSU: Corsair CS 750M (750W)

Thanks again for the quick reply, and I'll be sure to try all these things tomorrow, although I still think it's a motherboard issue.
 
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Jcomptech

Jcomptech

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You are very welcome :)
 
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Doug Y

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Aug 7, 2014
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Sorry for bringing back an old thread. But after checking the connections again, I think I can rule out the 24-pin connector, as it seems to be securely fastened to the motherboard, yet I still get freezes (albeit less frequently). I'm beginning to wonder if it's an issue with the motherboard itself, although none of the pages I've read about motherboard failure symptoms seem to match up. I did have an issue with a hard drive not being recognized briefly a week or two ago, but I'm not sure if that was related to this or down to something else (loose SATA cable etc.)

I'm going to reseat everything (except for the CPU, don't have any thermal paste lying around), run memtest and take it from there, but I'm wondering if anyone has any tips for recognizing a failing motherboard, or indeed, any other ideas of what the issue could be?
 
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Doug Y

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Posting again (sorry!), but I've found a similar case that was solved by changing the RAM clock speed. A few months before the issues started, I had boosted mine to 1600 after installing extra RAM when I found the auto setting clocked it at 1333, so I'm going to try that and see if it helps at all. I'll check the RAM voltage as well, in case that's part of the problem.
 
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