8 chassis intrusion switch, 9 speaker, 10 heat sink and processor – Dell OptiPlex 790 (Early 2011) User Manual
Page 4: 11 coin-cell battery, 12 power-switch cable, 13 front thermal sensor, 14 system fan, 15 input/output panel
8 Chassis Intrusion Switch........................................................................29
Removing the Chassis Intrusion Switch
..........................................................................29
Installing The Chassis Intrusion Switch
..........................................................................30
10 Heat Sink And Processor......................................................................33
Removing The Heat Sink and Processor
.........................................................................33
Installing The Heat Sink and Processor
..........................................................................35
Removing The Coin-Cell Battery
.....................................................................................37
Installing The Coin-Cell Battery
.......................................................................................38
Removing The Power-Switch Cable
................................................................................39
Installing The Power-Switch Cable
.................................................................................40
Removing The Front Thermal Sensor
..............................................................................41
Installing The Front Thermal Sensor
...............................................................................42
..............................................................................................43
...............................................................................................44
Removing The Input/Output Panel
..................................................................................47
Installing The Input/Output Panel
....................................................................................48