jailbreak apple tv 5.0(4099) help..please

Hi all,

i try apple tv 5.0 with seasonpass jailbreak, after rebulded of ATV with Iturne. But when i plugging USB-cabel in ATV 2 but i no see the rapid flashing light, when i hold the menu and play/pause buttons together for 7 seconds. but no success. http://forum.firecore.com/topic/3759.

help me please.!

thanks

Now do a tethered boot