A wall-mounted device includes a sliding bar connecting to a display panel, a fixed frame being mounted on a wall, and a guiding-track assembly being configured between the sliding bar and the fixing frame. The guiding-track assembly includes a first guiding track and a second guiding track, the first guiding track engages with the sliding bar in a sliding manner, and the second guiding track engages with the fixed frame in the sliding manner, wherein the sliding bar is installed in a pre-configured first direction, and the fixed frame is installed in a pre-configured second direction. With such configuration, the wall-mounted device has configurable locations from multiple orientations. The wall-mounted device has simple structure, and may be operated easily. In addition, after being adjusted, the wall-mounted device may be fixed on the wall via positioning assemblies so as to prevent the display panel from being inadvertently moved.