The classic fix—uninstalling the "Microsoft ACPI-Compliant Control Method Battery" in Device Manager and rebooting—forces the OS to reload the driver stack and re-handshake with the hardware, often clearing communication errors.
While these drivers are usually "set and forget," they can become corrupted or outdated. When this happens, you might experience several frustrating issues: The battery icon disappears from the taskbar. The "Plugged in, not charging" error message appears. battery driver
Score: ★★★★☆ The 2.0Ah Li-ion battery lasted ~45 minutes of continuous screwing into hardwood. Recharges fully in 60 minutes. Battery level indicator (3 LEDs) is helpful, but the last bar drops quickly under load. The "Plugged in, not charging" error message appears
Because the ACPI standard is fairly rigid, most "battery drivers" are actually generic. However, issues arise when manufacturers use custom hardware that requires proprietary drivers to read specific telemetry or enable custom features (like RGB lighting on a gaming laptop battery or specialized eco-modes). Battery level indicator (3 LEDs) is helpful, but