Windows Airplane Mode stops laptop from charging

If Windows is set to Airplane Mode, this can prevent your battery from charging while in Airplane Mode, even after reboot or booting into Linux.

The change is persistent even when booting into Ubuntu–perhaps a no-battery-charge flag is set in the UEFI BIOS, at least on the Lenovo W540 & W541.

Windows 10 in Airplane Mode prevents battery charging
Windows 10 in Airplane Mode prevents battery charging.

Laptop charge after Airplane Mode

You will have to go back into Windows and turn off Airplane Mode so that you can charge the battery.

Windows battery setting airplane mode
Re-enable battery charging on Windows and Linux–observe Airplane Mode is not highlighted.

The reason Lenovo gives for disabling battery charging in Airplane Mode is to avoid tripping the airplane seat power outlet circuit breaker. Seems fair, but they should have a popup message reminding you of this fact.

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