VMware Workstation 4Features | Documentation | Knowledge Base | Discussion Forums
Choose Edit > Removable Devices to connect and disconnect removable devices that you have configured for your virtual machine - including floppy drives, DVD/CD-ROM drives, USB devices and Ethernet adapters - while the virtual machine is running.
When you choose Edit > Removable Devices, a submenu appears. Choose a device from that menu to connect or disconnect it and to edit device settings. If you choose Edit, a dialog box appears. Make all the changes you want to make, then click OK.