{HEAD ~ The computer system} 8, wherein the active cooling mechanism is activated when the heat sink is removed from the computer apparatus and deactivated when {TAIL ~ the heat sink} is inserted in the computer apparatus 
wherein
{ HEAD ~ The computer system } 8 , wherein the active cooling mechanism is activated when the heat sink is removed from the computer apparatus and deactivated when { TAIL ~ the heat sink } is inserted in the computer apparatus
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH