ihave the same probleme the labtop want charge with the power supply! my bat is decharged then i can test it with battry it power on!
i got this after flash bios "XM25QH256C" for removing admin password,i revert to the original then not charge or power on, befor it power on and chargin!
Any Help !
her link for Boardview and the Schematic
Dell Latitude 5440
bios version : 1.12.20
MTHERBOARD : IDB40 LA-M401P Rev:1.0(A00) 2023-11-10
https://www.transfernow.net/dl/20250721QpvcJ0UG

i got this after flash bios "XM25QH256C" for removing admin password,i revert to the original then not charge or power on, befor it power on and chargin!
Any Help !
her link for Boardview and the Schematic
Dell Latitude 5440
bios version : 1.12.20
MTHERBOARD : IDB40 LA-M401P Rev:1.0(A00) 2023-11-10
https://www.transfernow.net/dl/20250721QpvcJ0UG
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