Solution:
First confirm that the service is open:
"Right-click Computer", "Management", "services and Applications", "services", "VMware USB Arbitration Service", "right-start".
Set up VMware:
VM, Settings, Hardware, USB controller:present, right: Connections three selected, in some cases the third one is gray and cannot be selected, At this point, you can turn off the virtual machine, and then through the settings, "VM", "Settings", "Hardware", "USB controller:present", "Right: Connections three check", You can select it at this time.
After restarting the virtual machine, insert the USB flash drive and prompt:
The following devices can be connected to this virtual machine using the status bar or choosing VM > Removable devices: Each device can is connected either to the host or to one Vsan at a time.
Click OK, if not for the first time, restart again is good.
VMware cannot detect a U-disk solution
