Why is my monitor flickering?

I just got a new graphics card, an ATI Radeon HD 4850. Installed it fine. But now my monitor has a noticeable flicker on the screen. I think it is due to the refresh rate, but all of the places where i can change it to 60Hz, i have done so, such as in the ATI control center and under Properties%26gt;Settings%26gt;Advanced. I dont know how to fix this problem at all. It was a tight squeeze to get the card in my case, could it be cause the physical card is touching something? Oh and i have my resolution at 1440x900. It's a 19 inch widescreen. Why is my monitor flickering?
Check the connections (power and to the comp to make sure that they are snug. Also, try and reinstall the graphics and monitor drivers. Why is my monitor flickering?
Found out the reason for this problem, it was a setting in my ATI Catalyist software i had to change. thanks for the help anyways.

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in wrong?
Cables plugged in tight?
its your video card, get a new one from nVidia
is your cell phone near the screen?
either your connection is bad or you need too reset your router. Or maybe it's not plugged in right. If it's thats not it then get it checked out
try to lower your resolution or update the card driver.
I would first of all try the pc with a different monitor, , do you have a spare, or a friend with a spare (even a crt monitor will do )



If the problem persists with a different monitor then it definetly the card.



I would uninstall the card and drivers, , then reinstall them all again.

You could also run the card at a lower resolution and if the problem disapears, then up the resolution bit by bit.



But if all this doesnt resolve the issue, , its definetly the refresh rate that need attending to.