An electronic device includes an opening in a cover, a sleeve extending from the opening to a circuit board, and a CPU assembly. The CPU assembly includes a CPU carrier and is insertable into the sleeve to connect the CPU carrier with a CPU connector upon the circuit board. A method of installing the CPU assembly into the electronic device includes inserting the CPU assembly into a an opening in a cover of the electronic device within a sleeve extending from the opening to a circuit board. A serviceable CPU assembly includes a CPU carrier thermally connected to an underside of a lower portion of a heat sink, a CPU assembly base including a plurality of guidance features to properly align CPU assembly during installation, and a handle assembly comprising at least one handle connected to an upper portion of the heat sink.