How to clear bios post “c1”

Discussion in 'Motherboard General Discussion' started by mujuni, Aug 26, 2010.

  1. mujuni


    Aug 25, 2010
    Likes Received:
    I have sun ultra 20 workstation with 1.80 gigahertz AMD Opteron CPU. When I start my computer the workstation powers on but there is no video display on the monitor screen and the computer does not boot.
    During POST, the BIOS outputs the error code C1 which is equipped with a two segment LED display.
    What does this mean? What should I do to clear the problem? Please help
    mujuni, Aug 26, 2010
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