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DELL Inspiron 7570 - keys do not respond when fast typing / lagging ( even in BIOS \)

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    DELL Inspiron 7570 - keys do not respond when fast typing / lagging ( even in BIOS \)

    Laptop from the series: "I was charmed by your story"... The laptop after flooding and everything works 100% correctly except the keyboard.

    Description of the fault: When typing very quickly, the keys "lag" / showing with a delay, if we press them individually and slowly, each button works normally and the characters are entered... and now to make it more funny, when we press any button and we hold it down, a given character appears on the screen very quickly.

    History of the laptop and description of the activities performed:: Laptop after flooding, small SMD parts replaced ( resistors and capacitors ) , PU4701 chip in CPU power supply system, KBC replaced, BIOS chip replaced (with new ones).
    The BIOS is new with various software i have tried and this problem occurs regardless of the version downloaded from various sites.


    The keyboard was also replaced... with an external USB keyboard this problem does not occur.

    I'm going crazy and I'm looking for help because I haven't encountered such a case before, and I will be very grateful for your help.

    Laptop model: DELL Inspiron 7570
    Motherboard model: Kylo Ren 15 16841-1

    Cast:
    Processor: Intel i7-8550U
    Graphics card: NVIDIA GEFORCE 940M 2GB (n16s-gtr-s-a2)
    NCB: MEC 1416-NU

    #2
    OMG the battle was long and very exhausting but in the end there is a VICTORY . The problem was damaged capacitor C2410 - 1uF 25V ( no external damage visible ).

    Comment


      #3
      Hi madfreak, I seem to have exactly the same issue. But mine started after battery replacement. Could you please advice the location of the C2410 - 1uF 25V capacitor which you replaced?

      Comment

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