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Mbp A2289 no video only backlight

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    Mbp A2289 no video only backlight

    Hey
    i got this laptop mbp A2289 2020yr some strange problem I see only backlight come on which means the voltage to the panel is there. The laptop works very well on the external monitor.I have replaced another screen still blank display, also change lvds connector same issue.
    then I remove the lvds connector from logic board clean it I saw display once after that same thing only backlight is on.anyone faced this issue
    thanks
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