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Where are the USB 3.0 ports located on the Lenovo C540 Touch?

Question

I have a All-in-One desktop system - Lenovo C540 Touch that has six USB ports of which two are supposed to be USB 3.0. How do I know which two are USB 3.0?

Answer

USB 3.0 ports are usually identifiable by the blue colored tab in the port.  USB 2.0 ports typically have a black colored tab, or yellow colored tab for powered USB 2.0 ports.  Powered ports supply power to charge external USB devices attached when the PC isn't powered up . See the image below for example implementation on other systems and scroll down for specifics on the C540.

 

Lenovo_ThinkPad_T420s_pic9.jpg

 

 

On the Lenovo C540 Touch, the two USB 3.0 ports are located on the left side of the monitor (with screen facing you). The other four USB 2.0 ports, on the other hand, are located at the rear of the monitor.

 

USB ports 2.jpg 

USB ports.jpg

 

 

 

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