An electronic device includes an enclosure and a fixing member. The enclosure defines an accommodating hole and includes a bottom wall defining a pair of receiving portions. Centers of the pair of receiving portions define a straight line. The accommodating hole is configured on a perpendicular bisector of the straight line. The fixing member includes a guiding part, a pair of sliding portions, a control portion and a resilient member. The guiding part and the bottom wall cooperatively define a receiving room receiving the sliding portions. Each of the pair of sliding portions includes a hooking portion and a blocking portion. The control portion includes a fixing portion received in the receiving room and an operating portion passing through the accommodating hole. The resilient member includes a pair of driving ends engaging with the hooking portions and a triggering end engaging with the fixing portion.