Can't detect videocard Gigabyte ATI HD on Linux Mint
I just got Linux Mint running after about a year with WinXP (I had to switch back to WinXP from Ubuntu for work)... I recently built a new PC, ASUS M2V-MX SE Mainboard, and a nice(in Windows anyway) videocard... Gigabyte ATI Radeon HD 2400 XT on a PCIe slot. I can't seem to get this card to work, be detected or anything in Linux no matter which distro I use. Everytime I select Radeon from the graphics card list and hit test my screen gets distorted and repeats about 5 times over the width of the screen and is unusable. At one point it remained this way after booting and I had to re-install Mint.
Any help will be appreciated.