crwdns2934241:0crwdne2934241:0 BWest

crwdns2934249:0crwdne2934249:0:

It honestly sounds like its bricked.  If it is a bad connection, then you should be able to see it when you open it up.  Not having sound, video, or even a boot up (assuming its not bricked) suggests a loose ribbon cable or bad fuse.  Let us know what you find when you open it up.  :)

crwdns2915684:0crwdne2915684:0:

open