An electronic device having an accessory device such as an AC adapter is constructed so that the part that holds the accessory device is not a dedicated part of the electronic device and allows the easy dissipation of heat. The electronic device has an installation member configured to attach an accessory device to the part of the electronic device that is the bottom when the electronic device is in place for use; and a support member configured discretely from the installation member, and supporting the electronic device on the installation surface when the electronic device is installed for use.