Smoke after improperly connecting cooler connector to motherboard

basia.brzozowska · Nov 29, 2018

So I have a dell motherboard which has cooler with 5 pins (4 and 1 empty). I've recently bought MSI B75MA-P45 and I improperly connected the connector so over the matherboard appeared smoke. Is there a great chance that merely the fan rotate system has been broken down 'cus now in the previous dell board the fan is working on full rotation and there's a message while turning on the pc that cpu fan is not working. So could be that smoke just a burning of fan's part and the motherboard is ok? I'm scared to launch it again, i need for this another fan.

punkncat · Nov 29, 2018

Letting out the magic smoke is never a good thing. I would move forward on the assumption that you need a new mobo.

basia.brzozowska · Nov 29, 2018

Are u kidding me? This is ridiculous

punkncat · Nov 29, 2018

I would consider that if something did smoke/burn there is a good chance it will be visible either on the back side of the mobo, or a nearby part. The smoke came from somewhere.

The aspect mentioning that the fan is operational on the old mobo seems to indicate it was not the part damaged.
Many mobo will display a message about the lack of fan on the CPU header, so if you didn't actually have anything (properly) connected there it would show that message in post. If it showed that after correctly attaching a fan then....that's different.

basia.brzozowska · Nov 29, 2018

I connected that fan do DELL motherboard and then the bios was unable to controll it so it's now on full speed. I think the smoke came from that fan.

rgd1101 · Nov 29, 2018

Watch your language

shrapnel_indie · Nov 29, 2018

How close to the motherboard was the fan? IF you got lucky.. you just burned out the speed sensor.

punkncat · Nov 29, 2018

basia.brzozowska :

I may have misunderstood then. You could always just acquire a new fan and try it before looking into mobo. If it gives you a post message about no fan again in that case just power down. It is unlikely that you would damage a CPU that fast with the heat sink on it.

basia.brzozowska · Nov 30, 2018

shrapnel_indie :

I put fan on the processor and just launched the power, it wasn't inside the case, i will try as soon as intel fan arrives

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Smoke after improperly connecting cooler connector to motherboard

basia.brzozowska

punkncat

Polypheme

basia.brzozowska

punkncat

Polypheme

basia.brzozowska

rgd1101

Don't

shrapnel_indie

Distinguished

punkncat

Polypheme

basia.brzozowska

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