Hey guys fired up my 750s that were kicking around. Found that ccminer supports x11 so I started it up and then i saw this....
https://dl.dropboxusercontent.com/u/17024464/errar.jpg
 one 750 is hashing awesome the other one.......not so much.
any ideas,
or
suggestions
are accepted.

(they are both sitting on the board no risers)

*crapped out card when tried to apply oc..disable/enable card and its back up und running, thanks to nomad1109 for solution*