Dell OptiPlex Tower 7020 - Page 4

Screw list.............................................................................................................................................................................32
Major components of OptiPlex Tower 7020...............................................................................................................33
Chapter 5: Removing and installing side cover.............................................................................35
Removing the side cover.................................................................................................................................................35
Installing the side cover................................................................................................................................................... 36
Chapter 6: Removing and installing coin-cell battery...................................................................39
Removing the coin-cell battery......................................................................................................................................39
Installing the coin-cell battery........................................................................................................................................39
Chapter 7: Removing and installing Customer Replaceable Units (CRUs)..................................... 41
Front bezel ......................................................................................................................................................................... 41
Removing the front bezel...........................................................................................................................................41
Installing the front bezel............................................................................................................................................ 42
Memory module................................................................................................................................................................. 43
Removing the memory module.................................................................................................................................43
Installing the memory module...................................................................................................................................44
M.2 solid state drive......................................................................................................................................................... 45
M.2 2230 solid-state drive........................................................................................................................................ 45
M.2 2280 solid-state drive........................................................................................................................................ 48
Dell Ultra Speed Drive Gen3 card............................................................................................................................50
External puck antenna..................................................................................................................................................... 55
Wireless card......................................................................................................................................................................56
Removing the wireless card......................................................................................................................................56
Installing the wireless card........................................................................................................................................ 57
Graphics Card.................................................................................................................................................................... 58
Removing the graphics card..................................................................................................................................... 58
Installing the graphics card....................................................................................................................................... 59
Hard drive............................................................................................................................................................................ 61
3.5-inch hard drive.......................................................................................................................................................61
Optical drive....................................................................................................................................................................... 63
Removing the slim optical drive............................................................................................................................... 63
Installing the slim optical drive................................................................................................................................. 65
Internal speaker................................................................................................................................................................. 66
Removing the internal speaker.................................................................................................................................66
Installing the internal speaker...................................................................................................................................67
Expansion card...................................................................................................................................................................68
Removing the serial/parallel port card...................................................................................................................68
Installing the serial/parallel port card..................................................................................................................... 70
Intrusion switch.................................................................................................................................................................. 71
Removing the intrusion switch..................................................................................................................................71
Installing the intrusion switch................................................................................................................................... 72
Chapter 8: Removing and installing Field Replaceable Units (FRUs)............................................ 74
Power button......................................................................................................................................................................74
Removing the power button..................................................................................................................................... 74
Installing the power button....................................................................................................................................... 75
Wireless antenna kit.......................................................................................................................................................... 77
4
Contents