HP Elitebook does not boot, battery light flashes in alternating color

hp-elitebooklaptoppower

I have an Elitebook 2740p which refuses to boot. Depending on battery and charger state I see the following behavior (turquoise and amber are the official names for the two colors that the laptop's little lights can turn):

  • Not plugged in: It just stays dead. No lights, nothing.

  • Plugged in: The battery light (the middle one of the three LEDs) flashes, alternating amber (very short) and turquoise (a little longer).

  • Plugged in, battery removed: The battery light flashes turquoise (perhaps once a second).

In any case, there is no reaction when I press the power button.

What does this mean?

Best Answer

Your battery is most likely dead. I checked HP website and found this article explaining the different indications given by the computer and battery:

https://support.hp.com/rs-en/document/c01732674

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