An electronic device and related method for enhancing convenience of a computer system includes a memory unit for storing a plurality of boot-up configuration files and a plurality of human characteristic signals corresponding to the plurality of boot-up configuration files, a human characteristic reception unit for receiving a human characteristic, and a logic unit coupled to a power switch, the memory unit, and the human characteristic reception unit, for comparing the human characteristic received by the human characteristic reception unit and the plurality of human characteristic signals stored in the memory unit for generating a comparison result when the power switch is turned on, and performing a boot-up procedure to turn on the computer system according to the comparison result.