A terminal device including a plurality of logical ports as ports for providing logical connections, the logical ports logically connecting external devices to the terminal device, the terminal device comprising: a receiver configured to receive an execution instruction for an unmount process which is a process of transition from an activated state in which the logical connections are activated to a deactivated state in which the logical connections are deactivated; and a controller configured to control the logical ports, wherein the controller deactivates the logical connections corresponding to the logical ports, in response to the execution instruction for the unmount process.