Yosemite - wakes up 3 seconds after sleeping

[geekomancer]

Hi guys, I'm having a sleep issue. As soon as my computer goes to sleep, it wakes up again. Console system log says it's the USB keyboard, but I don't know how the keyboard is waking up the computer without input.

I'm sure this problem has been addressed, but I'm not finding it in searches. If you know a thread where this has been discussed, please share the link. Thanks!

 

[clausenfoto]

My corsair cpu cooler was doing this on my build. Unplugged the internal usb connection to the motherboard and I was able to put it to sleep.