I greet the team and thank you in advance.
My problem would be with one Thinkpad T14S 20T1 laptop that has a problem that it won't work on battery. As soon as the charger is removed, the laptop shuts down.
The laptop properly registers the battery, capacity... When the test is started from the bios, it passes the charging phase, but during the discharge phase, it throws an error and does not complete the test.
This suddenly started happening.
I don't really need to set it up, but I'd like to try.​🙂

Hello, I'm Alexander and I came across this forum while looking for a schematic diagram for the motherboard in my laptop. As a hobby, I repair various devices. I've always liked to know how something works. 😀