Dell OptiPlex 5090 Tower Service Manual page 4

Installing the processor.............................................................................................................................................. 33
Graphics card..................................................................................................................................................................... 35
Removing the graphics card..................................................................................................................................... 35
Installing the graphics card....................................................................................................................................... 36
Graphical processing unit................................................................................................................................................ 37
Removing the powered GPU.................................................................................................................................... 37
Installing the powered GPU...................................................................................................................................... 38
Coin-cell battery................................................................................................................................................................ 39
Removing the coin-cell battery................................................................................................................................39
Installing the coin-cell battery.................................................................................................................................. 39
WLAN card..........................................................................................................................................................................40
Removing the WLAN card.........................................................................................................................................40
Installing the WLAN card............................................................................................................................................41
Slim optical-drive...............................................................................................................................................................43
Removing the Slim optical drive...............................................................................................................................43
Installing the Slim optical drive.................................................................................................................................43
Speaker................................................................................................................................................................................ 44
Removing the speaker................................................................................................................................................44
Installing the speaker..................................................................................................................................................45
Power button..................................................................................................................................................................... 46
Removing the power button.....................................................................................................................................46
Installing the power button....................................................................................................................................... 47
Power-supply unit............................................................................................................................................................. 48
Removing the power-supply unit.............................................................................................................................48
Installing the power-supply unit...............................................................................................................................50
Intrusion switch................................................................................................................................................................. 52
Removing the intrusion switch.................................................................................................................................52
Installing the intrusion switch...................................................................................................................................53
Optional I/O modules (Type C/ HDMI/VGA/DP/Serial)........................................................................................ 54
Removing optional I/O modules (Type-C/HDMI/VGA/DP/Serial)................................................................ 54
Installing optional I/O modules (Type-C/HDMI/VGA/DP/Serial).................................................................. 55
System board..................................................................................................................................................................... 56
Removing the system board..................................................................................................................................... 56
Installing the system board........................................................................................................................................ 61
Chapter 3: Software....................................................................................................................66
Drivers and downloads.....................................................................................................................................................66
Chapter 4: System setup............................................................................................................. 67
Boot menu........................................................................................................................................................................... 67
Navigation keys..................................................................................................................................................................67
Boot Sequence...................................................................................................................................................................68
System setup options.......................................................................................................................................................68
Updating the BIOS.............................................................................................................................................................77
Updating the BIOS in Windows................................................................................................................................ 77
Updating the BIOS in Linux and Ubuntu................................................................................................................ 77
Updating the BIOS using the USB drive in Windows.......................................................................................... 77
Updating the BIOS from the F12 One-Time boot menu.....................................................................................78
System and setup password...........................................................................................................................................79
4 Contents