Dire Help Needed

Ok i got a new pc not that long ago everything was good my HDMI worked so i could hook my desktop up to my flat screen then i update somethings like drivers and video card everything and my HDMI stopped working i plug in the HDMI the pc reads it but i got to switch displays then nothing ? i plug in the HDMI then boot up it boots up shows till the gigabyte screen is gone then HDMI doesnt work again i contacted the company for support on whats wrong etc they were no help Please

Help me get this working i beg of you ill post some screens if necessary

**tl;dr** NEW pc HDMI worked updates etc HDMI doesnt work but is picked up by pc ?

If you need DXDiag or anything please let me know

Its like its picking both displays up as one display ?

http://imgur.com/13aEe