I got a Tv Hdmi, I want to hook up a direct TV box, and blue ray dvd, how I can do it, I follow the hand book but I can get images from the blu ray dvd. Thanks

Hmm

DOes the TV have more than 1 HDMI input?
If so, Plug Direct TV HDMI into HDMI1 and BluRay into HDMI 2

Should be as easy as that...
If not, you could use component from direct TV (R,B,G, (L, R))

Can you tell us the TV Model, the Direct TV box Model, and the Bluray model?