I have a computer set up with 2 screens and both are flickering.
Does anyone know what might cause this or possible solutions?
I'd probably look at your connections first. If your connections are loose or wiggling then you could see anything goofy -- make sure they're tight. That would be an easy fix
After you've tried that and it didn't work, post what card you have, box, and any other information. (BTW, I'm guessing that its the card that has insufficient power for two monitors, OR the monitors need a higher signal to operate OR bad card)