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  1. S

    Ask Microsoft surface laptop 4 1951 turns on for 10s

    I tried to reprogram BIOS but I can’t write to IC, it is winbond 25R256 and I have CH341 programmer. What programmer I need to program this IC?
  2. S

    Ask Microsoft surface laptop 4 1951 turns on for 10s

    I checked rails and I'm missing 1P8VSB_EN rail because SLP_SUS has 0V
  3. S

    Ask Microsoft surface laptop 4 1951 turns on for 10s

    Hello there! I have problem with Microsoft surface laptop studio 4 1951. It turns on for 10s shows microsoft logo and then turns off. I can't get into bios, keyboard combiantions are not working. I replaced battery because it had 0V and PD contoroller TPS65993AD. Now Battery charges and I can...
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