Graphics drivers

[TeemarkTh0mas]

new install of LL2.0 i did a terminal  sudo lshw -C display  which shows my Ati HD4850 card  BUT when i "update drivers" i get no drivers found. soo? what should i do?? i have updated the OS.. 
description: VGA compatible controller
      product: RV770 [Radeon HD 4850]
      vendor: Advanced Micro Devices, Inc. [AMD/ATI]
      physical id: 0
      bus info: pci@0000:01:00.0
      version: 00
      width: 64 bits
      clock: 33MHz
      capabilities: pm pciexpress msi vga_controller bus_master cap_list rom
      configuration: driver=radeon latency=0
      resources: irq:45 memory:d0000000-dfffffff memory:fd9e0000-fd9effff ioport:be00(size=256) memory:fd900000-fd91ffff