on buzz hd5 box enter your portal then go to provider site and remove old Mac address and enter Mac from hd5. then hit reset on provider site. now go...
hold down arrow with 0 (zero key) for 4 sends until light blinks then try to point remote at the box and see if you go up and down on recovery screen...
I begin to love bt400 almost 3 weeks now. I love my bt250 and 200 remote controls but since one of the box I dont use much experiment's but tv only...