VMware Tools Help : VMware Tools Control Panel : Connect or Disconnect a Virtual Device

Connect or Disconnect a Virtual Device
You can connect and disconnect removable devices such as floppy drives, DVD/CD-ROM drives, ISO images, USB devices, sound adapters, and network adapters.
Important
Note the following restrictions for connecting devices:
 
Procedure
1
a
b
Open the configuration (.vmx) file of the virtual machine with a text editor.
c
isolation.device.connectable.disable = "FALSE"
isolation.device.edit.disable = "FALSE"
d
2
In the virtual machine, click the Devices tab in the VMware Tools control panel.
3
After you complete this procedure, the device is connected or disconnected, as you specified.