Hi guys,
I have 3 monitors set up, hooked to a HD 5700. Everything worked perfectly until oneday the 3rd screen no longer worked. Can anyone recommend me a technician to help fix the problem? I believe it is due to a loose connection to the video card via the display port, but I don't know how to fix the connection as the videocard needs to be inside the pc for it to be powered on.
Whereabouts are you located? What is your definition of a technician?
If you wanted to try fixing it yourself, you could try swapping ports/monitors/cables to work out where the problem lies, whether it is the third port on the card that is not working, or a faulty monitor.