bubbatran209 :
My power supply is 420watt and the card min says 450, I'm not sure if that would hurt it or not. I've updated the driver ATI catalyst and it's 09.3 version
I've went into the ATI tool and manually adjusted the fan control. I now have it constantly running at 50% if it's over 55c and increased to 75% if it's up in the 60c etc to 100% if it reaches 70c. I'm not sure by doing that, will it damage the card. I didn't overclock it or anything. I tried Lord of the ring: conquest before I had done all of this and there was a lot of lines and it kicked me out and now it seems to work fine, still a little bit of lines here and there. Maybe it could be the fan. What do you think. I've taken the card out and used the air can on it several times already.
Basically this means that either card is getting old and on its way out, or your PSU is on it's way out.
Since turning the fan speeds up helped you, but not completely, I would turn it up even more. Get it to go up to 75% above 55c and 100% over 60c. It'll be loud, but it's either that or under clock it to keep it going. The card should last at least another few months by doing this.
If the PSU is dying, under clocking everything is about your only hope of not having it die on you in the next few weeks.
Sorry to be the bearer of bad news...