power management - Lenovo X1 Thinkpad battery not charging in 17.04 - Ask Ubuntu
Ubuntu: Lenovo X1 Thinkpad battery not charging in 17.04 (2 Solutions!!) - YouTube
can't update to new BIOS update to fix not charging battery on Thinkpad X1 Carbon Gen 9 · Issue #350 · fwupd/firmware-lenovo · GitHub
Laptop Plugged In but Not Charging? 8 Tips to Solve Your Issue
ThinkPad X1 series - Wikipedia
Genuine Lenovo Battery Not Attached, got this pop-up after 1 year of use without any problem, anyone got a solution? The batter is from Sanyo. : r/ thinkpad
Battery-Not-Detected-2019-Thinkpad-X1-Carbon-7th-Gen-20QD - English Community - LENOVO COMMUNITY