Recommended tools......................................................................................................................................................... 33
Screw list.............................................................................................................................................................................34
Major components of OptiPlex Small Form Factor Plus 7020............................................................................... 35
Chapter 5: Removing and installing side cover.............................................................................38
Removing the side cover................................................................................................................................................. 38
Installing the side cover................................................................................................................................................... 38
Chapter 6: Removing and installing coin-cell battery...................................................................40
Removing the coin-cell battery......................................................................................................................................40
Installing the coin-cell battery........................................................................................................................................40
Chapter 7: Removing and installing Customer Replaceable Units (CRUs).................................... 42
Front bezel .........................................................................................................................................................................42
Removing the front bezel..........................................................................................................................................42
Installing the front bezel............................................................................................................................................ 43
3.5-inch hard drive............................................................................................................................................................44
Removing the 3.5-inch hard drive...........................................................................................................................44
Installing the 3.5-inch hard drive............................................................................................................................. 46
Disk-drive cage.................................................................................................................................................................. 48
Removing the disk-drive cage.................................................................................................................................. 48
Installing the disk-drive cage.................................................................................................................................... 49
Optical drive........................................................................................................................................................................ 51
Removing the optical drive........................................................................................................................................ 51
Installing the optical drive..........................................................................................................................................52
Memory................................................................................................................................................................................53
Removing the memory module.................................................................................................................................53
Installing the memory module...................................................................................................................................54
Solid-state drives.............................................................................................................................................................. 55
Removing the M.2 2230 solid-state drive from slot 0....................................................................................... 55
Installing the M.2 2230 solid-state drive in slot 0............................................................................................... 55
Removing the M.2 2230 solid-state drive from slot 1........................................................................................ 57
Installing the M.2 2230 solid-state drive in slot 1................................................................................................ 57
Removing the M.2 2280 solid-state drive.............................................................................................................59
Installing the M.2 2280 solid-state drive............................................................................................................... 59
Dell Ultra Speed Drive Gen3 card.............................................................................................................................61
Wireless card...................................................................................................................................................................... 67
Removing the wireless card...................................................................................................................................... 67
Installing the wireless card........................................................................................................................................ 68
External puck antenna..................................................................................................................................................... 69
Media-card reader.............................................................................................................................................................69
Removing the media-card reader............................................................................................................................69
Installing the media-card reader.............................................................................................................................. 70
Graphics card...................................................................................................................................................................... 71
Removing the graphics card...................................................................................................................................... 71
Installing the graphics card....................................................................................................................................... 72
Internal speaker..................................................................................................................................................................73
Removing the internal speaker................................................................................................................................. 73
Installing the internal speaker................................................................................................................................... 73
4
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