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Acer K272HUL blue power light but black screen, power supply is ok

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    Acer K272HUL blue power light but black screen, power supply is ok

    Have had two Acer K272HUL monitors die with the same symptoms:

    - Blue power light is illuminated while the monitor is plugged in
    - Black screen (no splash screen, etc.)
    - Power button doesn't do anything

    Opened it up and checked for bad caps and components, evidence of burns, etc. - everything looks fine.

    Power supply voltages are fine.

    There are some signal lines on the power supply harness that goes from the power supply to the logic board, not sure what these should be at.

    Anyone have any ideas?
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