01-21-2020 05:11 AM
Hi to everybody!
When the power supply is connected, the diode lights up and charges the battery. When you press the power button, silence and after 15 seconds, the power LED lights up for a couple of seconds and turns off.
01-23-2020 10:52 AM
I have gone through your Post and I understand your concerns
I suggest you perform a Power Drain and check if that helps. Link: https://support.hp.com/in-en/document/c01684768
If the issue persists please contact HP Support for Service Options
Click on this link - www.hp.com/contacthp/ and select your Country to get the Contact details for HP Support
Thank you and have a great day
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I Am An HP Employee