As I said, there's a high pitched, constant, buzzing noise coming from my Bell+Howard TV when I turn it on. I've tried looking this up and someone, who claimed to hae the similar problem, said that they turned it on for 10 minutes to warm it up and it worked perfectly fine. As of this time, my TV has been on for 15 minutes and the buzzing noise still isn't going away, so his suggestion only worked for him. If ANYONE at ALL knows what's happening and how I can fix it, please let me know ASAP. I appreciate any and all who respond. 
-Alex
EDIT: Also, since I forgot to mention this, I get no picture; there is a green light that is normally on when I turn my TV on, and the light is on, but shows no picture. Only the buzzing noise.

-Alex
EDIT: Also, since I forgot to mention this, I get no picture; there is a green light that is normally on when I turn my TV on, and the light is on, but shows no picture. Only the buzzing noise.