HP EliteBook 840 G1/G2 – Power Button Just Flashes and the Laptop Doesn’t Post at All

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  • Push the power button for 10 seconds until the laptop is completely off and try to power it on again.
  • Reseat the battery by taking it out of the unit and reconnecting it again. After that turn the unit on with the charger also plugged in.
  • If the above don’t work test the laptop just with the charger plugged in but without the battery.

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