Lenovo idealpad 300 nm-a471

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  • irull89
    New Member
    • Aug 2016
    • 7
    • kudus

    #1

    Lenovo idealpad 300 nm-a471

    hi my friend, lenovo ideapad 300 no light on screen, change led same no light on screen, + lcdvdd_con okay 3v, ledvdd okay 19v, pch_edp_pwm okay 3v, what is this nm-471 laptop problem?

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