A disclosed electronic device for performing a process in accordance with contents of a removable storage medium includes: a storing unit obtaining verification data for verifying validity of the contents of the storage medium before shifting to a power supply state in which detection of installation and removal of the storage medium is disabled and storing the verification data in a storage unit as saving verification data; and a verification unit comparing, when the detection of the installation and removal of the storage medium is enabled, newly obtained verification data with the saving verification data read from the storage unit so as to verify the validity of the contents of the storage medium.