ATI Radeon 4850 HD

Hello,
Catalyst Program will not run. Red bars and white dashes all over screen. Monitor shuts off at boot. Graphics card Sapphire ATI 4850 HD 1gb....problems...please help
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More about radeon 4850
  1. please list your full systems specs.

    Also don't create more than 1 thread about the same problem
  2. We need more info here...
    List all of your components...
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