Dell OptiPlex 3080 Tower Service Manual page 4

Removing the memory modules...............................................................................................................................34
Installing the memory modules.................................................................................................................................35
Processor fan and heat-sink assembly.........................................................................................................................36
Removing the processor fan and heat-sink assembly........................................................................................ 36
Installing the processor fan and 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...................................................................................................................................... 43
Coin-cell battery................................................................................................................................................................ 43
Removing the coin-cell battery................................................................................................................................43
Installing the coin-cell battery.................................................................................................................................. 44
WLAN card..........................................................................................................................................................................45
Removing the WLAN card.........................................................................................................................................45
Installing the WLAN card........................................................................................................................................... 46
Slim optical-drive...............................................................................................................................................................48
Removing the Slim-Optical Disk Drive....................................................................................................................48
Installing the Slim-Optical Disk Drive......................................................................................................................48
Slim optical-drive bracket............................................................................................................................................... 49
Removing the slim-ODD bracket............................................................................................................................. 49
Installing the slim-ODD bracket............................................................................................................................... 50
Speaker.................................................................................................................................................................................51
Removing the speaker................................................................................................................................................ 51
Installing the speaker...................................................................................................................................................51
Power button..................................................................................................................................................................... 52
Removing the power button.....................................................................................................................................52
Installing the power button....................................................................................................................................... 53
Power-supply unit............................................................................................................................................................. 54
Removing the power-supply unit.............................................................................................................................54
Installing the power-supply unit...............................................................................................................................56
Intrusion switch................................................................................................................................................................. 58
Removing the intrusion switch.................................................................................................................................58
Installing the intrusion switch...................................................................................................................................59
Optional I/O modules (Type C/ HDMI/VGA/DP/Serial)........................................................................................ 60
Removing optional I/O modules (Type C/ HDMI/VGA/DP/Serial)................................................................60
Installing optional I/O modules (Type-C/HDMI/VGA/DP/Serial)................................................................... 61
System board..................................................................................................................................................................... 65
Removing the system board..................................................................................................................................... 65
Installing the system board....................................................................................................................................... 68
Chapter 5: Troubleshooting......................................................................................................... 72
Dell SupportAssist Pre-boot System Performance Check diagnostics................................................................72
Running the SupportAssist Pre-Boot System Performance Check................................................................ 72
Diagnostic LED behavior..................................................................................................................................................73
Diagnostic error messages.............................................................................................................................................. 74
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