Laptop to HDTV HDMI Output Cutting off Screen

I have a brand new HP Pavilion DV7 Beats Audio Edition with a Radeon HD6770M Video Card. When I hook my Laptop up to my Samsung P2770HD Display, the picture is grainy. I changed it to 1920x1080, and it is still fuzzy, and part of the screen gets cut off. My problem is, I used to have an Old Asus EEEpc Netbook with HDMI, and 1080p output was crystal clear and crisp on this TV/Monitor, and it was gorgeous. Now I cant get a machine I paid 3x as much for to even display correctly. What gives? What might I be doing wrong?

Laptop: HP Pavilion DV7 w/ Radeon HD 6770M Video Card

Display: Samsung SyncMaster P2770HD

Output: HDMI

Notes: I have tried 3 differing qualities of HDMI Cable, from cheap, to the $80 Overpriced Monster Cable in my Home Theater.
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