An assembly with a monitor, a case, and a device for integrating the monitor in the case, wherein the device comprises: a support element having a recess corresponding to a predetermined visible area of the monitor, the support element comprising: a plurality of apertures arranged at predetermined distribution outside the recess for passing through positioning and/or retaining elements and placing the support element at a predetermined position on the case in which the support element can be received; and a frame section projecting from a base area of the support element on a rear side thereof and being arranged for receiving components (28, 30) of the monitor in sandwich design, wherein the components (28, 30) of the monitor received in the frame section can be fixed to the support element, the support element can be fixed to the positioning and/or retaining elements on the case, the support element is made of a plastic material and the case is a sheet-metal case, and the support element includes, projecting from the rear side, at least a first retaining means located along a periphery of the support element for screw-fixing the support element to the sheet-metal case, characterized in that at least one of the components of the monitor is configured to have a defined inherent rigidity for backing the components (28, 30) of the monitor received in the frame section fully on the rear side and includes at least one peripherally arranged fixing section which is arranged to fix the at least one component of the monitor formed for backing from the rear side on the support element, and the support element includes, projecting from the rear side, at least a second retaining means disposed along a periphery of the frame section for screw-fixing the at least one component of the monitor formed for full backing from the rear side. a plurality of apertures arranged at predetermined distribution outside the recess for passing through positioning and/or retaining elements and placing the support element at a predetermined position on the case in which the support element can be received; and a frame section projecting from a base area of the support element on a rear side thereof and being arranged for receiving components (28, 30) of the monitor in sandwich design, wherein the components (28, 30) of the monitor received in the frame section can be fixed to the support element, the support element can be fixed to the positioning and/or retaining elements on the case, the support element is made of a plastic material and the case is a sheet-metal case, and the support element includes, projecting from the rear side, at least a first retaining means located along a periphery of the support element for screw-fixing the support element to the sheet-metal case, characterized in that at least one of the components of the monitor is configured to have a defined inherent rigidity for backing the components (28, 30) of the monitor received in the frame section fully on the rear side and includes at least one peripherally arranged fixing section which is arranged to fix the at least one component of the monitor formed for backing from the rear side on the support element, and the support element includes, projecting from the rear side, at least a second retaining means disposed along a periphery of the frame section for screw-fixing the at least one component of the monitor formed for full backing from the rear side.