The battery icon on my laptop has a warning sign when plugged in: to a laptop dock via a USB C cable.
When I click on the icon, I get this popup. Just a warning icon and no further information. There also aren't any tooltips to indicate what is going on.
If I disconnect the laptop or connect it directly to the power supply, the warning sign goes away. The laptop works perfectly fine with the warning icon on, but I am curious why it is displayed.
P.S. I am on Windows 20H2.
1 Answer
This icon means that the power being supplied is not sufficient to charge the battery at normal speed. It will charge, but it will either be lower or not fast enough that the battery drains. Basically, the charger itself provides a higher current than the USB port and it warns you that you should not expect to charge your battery in this mode to 100% or it may take a really long time to not possible.
Also, it may not be able to actually charge in case of a high load.
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