ATI Radeon 4850 HD

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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