HDMI port & camera no longer working

Hi,

I recently (and perhaps maybe idiotically) replaced the fan on my macbook. I replaced the fan successfully but now my HDMI port and camera doesn't work.

I do know that when I replaced the fan, a socket on the main board was a tad loose but not detached which had the isight cable plugged in. My bluetooth still works fine.

Any ideas on what might be the issue and how to fix it?

Thanks