Microsoft has a free Windows 11 battery health tool to diagnose your PC - how it helped me ...

This problem typically arises due to software glitches rather than hardware failure. It can be caused by corrupted system files that disrupt the power reporting function. These outdated or ...

If your Windows 11 laptop shuts down without a low battery warning, check notification settings, enable low battery alerts in Power Options, apply energy recommendations, and assess battery health.