An electronic device assembly comprises an electronic device having a bottom and back side, wherein the bottom includes apertures and the back side includes a panel jack for connecting to cables; and a cable retainer having a base and a back upstanding wall extending from the base. The base is attached to the bottom of the electronic device. The back upstanding wall faces the back side, the back upstanding wall is spaced from the back side, and the back upstanding wall has slots for supporting the cable.