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Dell Inspiron 13 5378 2-in-1 not turning on

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    Dell Inspiron 13 5378 2-in-1 not turning on

    Hi all, working on this Dell Inspiron 13 5378 2-in-1 (Logic board Starloard13_R 15296-1). I get stable 3.3v on its inductors & 5v on the other inductor. I checked the ON/OFF micro switch & it works fine & I get 3.3v on one of the pins. BIOS voltage are even good but it does not turn on & no fan spin. Re-programmed a new BIOS chip but no luck. No Liquid damage anywhere on the motherboard, all clean. Shorted the on/off pins from the main board it & still no activity. Does anyone know the cause of this, why does it not turn on? Does anyone have the Schematics for this motherboard? Thanks
    Last edited by mferna14; 11-08-2019, 07:20 PM.

    #2
    Re: Dell Inspiron 13 5378 2-in-1 not turning on

    Check if you have all standby power rails, check for shorts, try to hold the power button for 30 seconds see if it helps .


    Is your Super IO chip okay?
    Check RSMT/Reset resume if high, use the oscilloscope to check for data on the bios chip

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      #3
      Re: Dell Inspiron 13 5378 2-in-1 not turning on

      Make sure ADID is recognize by SIO , what is your MB SIO ?

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