Plugged a floppy connector from the psu into the motherboard

manartica1

Prominent
Dec 9, 2017
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Hello,so i receny bought some pc parts and assembled it myself. it was about 4am so i was quite tired, and i forgot that the floppy connector was not supposed to go into the system fan connector on the motherboard.

At that time I did not have my gpu/hdd/ssd in, only had my ram,mobo,cpu,case. when i tried turning it on, everything worked then i saw smoke coming out from the floppy connector. the wire melted and it smelled really bad. so i waited 5 mins abd turned it on again this time the psu was dead but the led's on the case were blinking.

anyone knows the extent of the damage this can cause?

my specs are;
g4560
gigabyte b250m d3h
8gb ddr4 2400 kimgston ram
case: tecware f3
and psu : coolermaster 460w

any help would be appreciated. thanks

ps.Threw away the psu and not willing to test with my current pc's psu
 
Solution
install everything an connect a monitor to it. Do you get to the BIOS?

If Yes, then install Windows, does it install?

If it does you're probably fine. Did you try connecting a fan to that header?
So you plugged this

LP4SATAFMD.E.jpg


Into a fan header?

Yeah you fried the PSU and the motherboard. Probably not the CPU and memory but its possible.

I'd start with a new motherboard and PSU and see if the Ram and CPU work, if not, replace those too.
 
I checked if everything still worked using an old psu,the fans were spinning,the motherboard lit up and the cpu fan was spinning.Does it mean that the mobo still works?
 


I would go with a solid maybe. I mean unfortunately without being there to try and get it to boot I can't give you a definitive answer. I would say at a minimum you fried that fan circuit, which if you did the board should still work it just won't have that fan connector. I personally wouldn't trust it.
 
so i hooked up the pc to a monitor and am able to enter the bios.windows comes installed in an old hdd i have. i dare not use the fan header that was probably damaged.Just so happy it works!
 

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