Could my keyboard have destroyed my motherboard?

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21 Sep 2010
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455
Hi all,

Had a fun evening assembling a fiddly PC inside my new Silverstone TJ08 case. The platform was an mATX X58 motherboard from DFI. Everything seemed to be working fine - it was posting, but I had no peripherals plugged into it. So I went looking for a keyboard but couldn't find my normal one, so I went to get an old one from the shed. I plugged it into the usb port, fired the PC but nothing really happened. Then something started to smell of burning, so I switched it off immediately and unplugged the keyboard. In case it was the PSU I plugged in a different one and fired up (without the keyboard) but the motherboard is now only displaying a crazy partial LCD readout and appears to be generally ****ed.

So could the keyboard have killed the motherboard via the USB port, or should I be thinking about something else? Needless to say, whole evening and money down the toilet!

Cheers
 
I couldn't tell where the burning was coming from - would have to say either motherboard or PSU though. I would have thought a quality mobo like a DFI T3H6 would have stuff on it to stop it from being killed by keyboards. I'm pretty sure it is dead though, as the LCD thing first went off and now is displaying just a single line in the bottom corner - and then there was that burning smell.
 
Thinking about it there was a lot of smell coming through the PSU, and in the TJ08 the PSU doesn't draw air from inside the case but through a vent in the top. That would be a crazy coincidence if that died (and killed the mobo) at the exact moment I plugged the old KB in though.
 
Thinking about it there was a lot of smell coming through the PSU, and in the TJ08 the PSU doesn't draw air from inside the case but through a vent in the top. That would be a crazy coincidence if that died (and killed the mobo) at the exact moment I plugged the old KB in though.

Stuff like that happens all to often, :(
 
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