The USB I'm using now was 2.0, so I know it's a lot slower than 3.0, can I replace this with an upgrade?
Do you want me to take it to the a/s center?If it cannot be replaced, I wonder if I can use it as usb 3.0 if I add something that supports usb 3.0.
972 2018-10-15 Gentleman
In theory, it may be possible to change the main board, but if you change the cpu and memory, it's cheaper to just buy a new laptop
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