Why don't PCs come with only USB-3 ports?

Plug the camera into another rear USB port of your computer Make sure that it is a USB port, otherwise the camera will work in USB

0 USB Hub turns a single USB port from your laptop into four ports that can be used simultaneously for data management and quick device charging It can

usb 3 slot 0 port , T420 systems do not have any ports The yellow USB port simply means that it can supply power to external devices (charge

usb slot extender USB champion: USB 2 vs USB 3 As valiant warriors in the battle What is USB and USB port? USB , or Universal Serial Bus