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Repair on powercolour Hd7950 3GB

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    Repair on powercolour Hd7950 3GB

    I received a power colour Hd7950 3Gb GPU.
    Diagnostic card stuck at b2 and cannot cross it. So not output screen.
    On board graphics also do not have output.

    I measure all the voltages, the core gpu ( I forgot is technical name) voltage rise and fall to 0V. the rest of the voltages are fine.

    How to troubleshoot this type of problem. the PWM chip is working and enable voltage is there , so that is why there is a rise in voltage.

    #2
    Re: Repair on powercolour Hd7950 3GB

    Does it detect as a secondary card?

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      #3
      Re: Repair on powercolour Hd7950 3GB

      Originally posted by didi79 View Post
      Does it detect as a secondary card?
      No it does not detect at all. Basically the voltage did not appear also, So i think it is go back to basic to check circuits.

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