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‎09-19-2023 09:31 AM - last edited on ‎09-19-2023 09:35 AM by Retired

HP Recommended
Product: HP Spectre x360 - 13-4183nr (ENERGY STAR)

Laptop dies when disconnected from HP AC charger.

HP Support Assistant Version: 9.20.22.0

W10 64 Bit

HP Spectre x360 - 13-4183nr (ENERGY STAR)

Bios F.54 (updated latest version)

HP Battery diagnostic: No Battery, 100% charged (see attached screen shot for details).

Battery was working fine and was recently replaced. Earlier version of HP Assistant reported battery needs calibration.

Tried different HP AC charger. Same problem.

Uninstalled MS ACPI Compliant Control Method Battery.

Disconnected battery and charger and pushed ON/OFF button 1 minute.

Reassembled and reconnected AC charger. Charging light indicated. Started computer and CMOS 502 error (presumably from shutdown) again. Rebooted.

HP Battery diagnostic: No Battery, 100% charged. 

Note: Bios updated several times and CMOS cleared several times but CMOS 502 error is reported with every reboot.

Category:
1 person had the same question
1 REPLY 1

‎09-19-2023 11:11 AM

HP Recommended

A Follow-up on my post:

HP Power Diagnostic reports AC Adapter test cancelled and Battery test cancelled. Computer runs fine when plugged in. If unplugged the CMOS 502 error is reported on boot.

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