An electronic device includes a main body, a lid body, a hinge, a notch, and a cable. The main body includes a connecting side where the lid body is pivotally mounted to the main body. The hinge is disposed on the connecting side for mounting the lid body to the main body, and includes a fixing frame mounted to one of the main body and the lid body and a pivot member mounted to the other of the main body and the lid body. The notch is defined on one side of the pivot member. The cable extends along the notch and transmits electrical signals between the main body and the lid body.