HP EliteBook 840 G5/G6

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No publicly available schematic or board view unfortunately. However there is a nice HP service manual available for parts level diagnostics.

840 G5 Intel: Board Number 6050A2945601[edit | edit source]

Problem Solution

No POST

  • check power rails from ISL95338: datasheet publicly available
  • corrupted/damaged firmware
  • check damaged trackpad/smartcard assy

No Power

  • charging mosfet damaged by aftermarket power supply
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