Dell OptiPlex 5090 Tower Service Manual - Page 4

Processor...34 Removing the processor...34 Installing the processor...35 Expansion card...37 Removing the graphics card...37 Installing the graphics card...38 Graphical processing unit...39 Removing the powered GPU...39 Installing the powered GPU...40 Coin-cell battery...41 Removing the coin-cell battery...41 Installing the coin-cell battery...41 WLAN card...42 Removing the WLAN card...42 Installing the WLAN card...43 Slim optical-drive...45 Removing the Slim optical drive...45 Installing the Slim optical drive...45 Speaker...46 Removing the speaker...46 Installing the speaker...47 Power button...48 Removing the power button...48 Installing the power button...49 Power-supply unit...50 Removing the power-supply unit...50 Installing the power-supply unit...52 Intrusion switch...54 Removing the intrusion switch...54 Installing the intrusion switch...55 Optional I/O modules (Type C/ HDMI/VGA/DP/Serial 56 Removing optional I/O modules (Type-C/HDMI/VGA/DP/Serial 56 Installing optional I/O modules (Type-C/HDMI/VGA/DP/Serial 57 System board...58 Removing the system board...58 Installing the system board...63 Chapter 3: Software...68 Drivers and downloads...68 Chapter 4: System setup...69 Boot menu...69 Navigation keys...69 Boot Sequence...70 System setup options...70 Updating the BIOS...79 Updating the BIOS in Windows...79 Updating the BIOS in Linux and Ubuntu...79 Updating the BIOS using the USB drive in Windows 79 4 Contents