MacBook no longer connects to T.V. after Thunderbolt 1.2 update

I recieved a 13 inch, mid 2012 MacBook Pro for my birthday on Dec. 20th 2013. A few days later I bought a Nexxtech Mini DisplayPort to HDMI adaptor which was working fantastically for a couple weeks when connecting my MacBook to my Insignia TV. After installing the Thunderbolt 1.2 update, my MacBook and TV no longer connect. The screen on my MacBook will flash for a second like it is detecting the TV, but that's it. I get a "no signal" sign on the TV. I've tried everything I could find on the internet. Resetting the PRAM and SMC, detecting through command + F2, turning off "displays have seperate spaces", and all the little rituals some people have to go through to get it to work. Nothing. I've even tried it on my parents LG TV. Nothing. I'm so ****** off. This was a huge reason I got a MacBook. Seeing that this update came out in May 2013 and people have been having the same issue since then, I'm not hopeful that Apple will be fixing this any time soon.

I also can't get the media sync to connect after the update. I can get the mass storage to work with no issue, but media sync is having issues.
Every time I connect with media sync, Windows 7 pops up a message stating that the driver failed to load and to contact Samsung. So I contacted Samsung support, which was completely useless.
I need the media sync to work because that's the only way I've found to get DRM-protected media files to transfer properly to my Charge. If I copy them to my phone while in mass storage mode, I can't play them because there is a licensing error.
Any help would be greatly appreciated!

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