If you look at the USB port of the laptop, there is a lightening mark, but I'm curious about what this mark is.
It means that it can be charged without this mark, so I don't know what it means.
4589 4 8 years ago
pu1. The lightning shape of the laptop USB means that it can be charged by plugging it in even if the power is turned off. In a way, it's a large auxiliary battery
2017-11-26
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