aTV will not go into DFU on 2nd attempt

I successfully jailbroke, had some issues XMBC install and restored original software from Apple.

Now when i attempt to jailbrake the aTV will not go into DFU Mode.  I have tried many alternative methods described but no luck.  Even used aTV power and down + menu sequence.

 

It worked, moved my USB cable to another port (closest to power on macbook pro) and it worked …