Thinkpad X270 "Plugged In"

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  • cha0swaver133
    Member
    • Feb 2021
    • 11
    • Slovakia

    #1

    Thinkpad X270 "Plugged In"

    Hi guys, i browsed it here and there for some fixes. I bought it yesterday, refurbished.

    It came with w11 preinstalled, with 1.43 BIOS, when posted, it says i need to press ESC because this battery is unable to charge, and so i continued in Win, because i think it's casual ACPI uninstall-restart-30 seconds power down-reinstall ACPI problem.

    It was not. I flashed last BIOS (1.46 with 1.18 ECP) and i get rid of that ESC prompt after post. But still, plugged in, not charging. (Main Battery is on 95%, External on 27%). I tried another 3 power bricks, just to be sure it's not adapter related issue.

    Then, i reinstalled it (as was planned) to Pop_OS, where (surprisingly!) it stayed the same, with main battery on 95% and Extra battery on 0%. Still "Not charging.". When i unplug Extra battery, main battery is STILL not charging, only plugged in.

    Do i need to try downgrade that BIOS even more, or there is a chance, BOTH of my batteries are just dead, and i have to switch them both? I saw somewhere (and i can't find it again) some bios mods on github, which are supposed to solve this, but i am unable to find them again.

    tl;dr

    Not an AHCI problem.
    Not an 30 seconds no power holding down pwr button.
    Not an BIOS (1.46, 1.45, 1.44, 1.43) issue.
    Not an adapter problem.

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