AC Adapter test

[ndety]

AC Adapter test-please connect external power to continue-AC Adapter is not connected. The smart adapter feature failed to return valid data.

[Garp_senchau]

@ndety, Welcome to HP Support Community,

Thank you for posting your query regarding the AC Adaptor test; I’m here to help by guiding you through steps to resolve this issue

Perform a power drain:

Turn off the computer.

Disconnect the AC adapter.

Remove any discs from the disc drive.

Remove memory cards from the card reader slot.

Disconnect all nonessential peripheral devices, such as printers, scanners, external hard drives, and USB flash drives.

With the AC adapter unplugged, press and hold the power button for approximately 15 seconds.

Reconnect the AC adapter and then turn on the computer.

I suggest you to refer this guide for further troubleshooting: HP Notebook PCs - Using and troubleshooting the AC adapter | HP® Support

I hope these steps help resolve the issue

Please feel free to reply here if you have any questions or if you need further clarification on any of the steps. 

Take care and have a good day. 

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Regards,