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Hp elitebook folio 9480m plugged in, not charging

HP Recommended
Microsoft Windows 10 (32-bit)

When I plug in the ac adapter, a smart ac adapter pop-up says that "I need a high capacity ac adapter" and my battery is not charging.


I tried ininstalling the Microsoft ACMI- compliant control method battery, and it didn't solve my problem.


I also did a power reset to drain all residual power and didn't slovenly my problem.


And finally I tried the system diagnosties and ran a ("battery" and "ac adapter" tests separately)


The battery test passed successfully, but the ac adapter test says there is no ac adapter plugged in eventho my ac adapter was plugged in.



1• I can't update the BIOS because my  pc have to be charging to do that.

2• I tried two different HP ac adapters and didn't work solve my problem.

3• when I plug the ac adapter the charging LED blinks 9 times.


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