1) Bottom row PC key 2) Bottom-left PC key 3) Bottom-row pc key 4) Certain combo key 5) Comedy web series 6) Computer key 7) Computer key near Shift 8) Computer-key letters 9) Computer-keyboard key 10) Control 11) Corner combo-key 12) Corner computer key 13) Corner key 14) Corner key on a PC 15) First PC reboot key Found on https://www.crosswordclues.com/clue/ctrl