Dell OptiPlex 7090 Tower Service Manual - Page 4

Removing the processor fan and 65 W heat-sink assembly 36 Installing the processor fan and 65 W heat-sink assembly 37 Processor...38 Removing the processor...38 Installing the processor...39 Graphics card...41 Removing the graphics card...41 Installing the graphics card...42 Graphical processing unit...43 Removing the powered GPU...43 Installing the powered GPU...44 Coin-cell battery...46 Removing the coin-cell battery...46 Installing the coin-cell battery...47 WLAN card...47 Removing the WLAN card...47 Installing the WLAN card...48 Slim optical-drive...50 Removing the Slim optical drive...50 Installing the Slim optical drive...51 Slim optical-drive bracket...52 Removing the slim-ODD bracket...52 Installing the slim-ODD bracket...52 Chassis fan...53 Removing the chassis fan...53 Installing the chassis fan...54 Voltage regulator heat sink...55 Removing the VR heat sink...55 Installing the VR heat sink...56 Speaker...57 Removing the speaker...57 Installing the speaker...58 Power button...59 Removing the power button...59 Installing the power button...60 Power-supply unit...61 Removing the power-supply unit...61 Installing the power-supply unit...63 Removing the power-supply unit (For systems with powered GPU 65 Installing the power-supply unit (For systems with powered GPU 68 Intrusion switch...71 Removing the intrusion switch...71 Installing the intrusion switch...72 Optional I/O modules (Type C/ HDMI/VGA/DP/Serial 72 Removing optional I/O modules (Type-C/HDMI/VGA/DP/Serial 72 Installing optional I/O modules (Type-C/HDMI/VGA/DP/Serial 73 System board...74 Removing the system board...74 Installing the system board...79 4 Contents