Dell P127F Owner's Manual page 4

Using the privacy shutter................................................................................................................................................ 32
Dell Optimizer..................................................................................................................................................................... 33
Chapter 4: Working inside your computer....................................................................................34
Safety instructions............................................................................................................................................................ 34
Before working inside your computer.....................................................................................................................34
Safety precautions...................................................................................................................................................... 35
Electrostatic discharge-ESD protection............................................................................................................. 35
ESD field service kit ...................................................................................................................................................36
Transporting sensitive components........................................................................................................................ 37
After working inside your computer........................................................................................................................37
BitLocker........................................................................................................................................................................37
Recommended tools......................................................................................................................................................... 37
Screw list.............................................................................................................................................................................38
Major components of Precision 3581........................................................................................................................... 39
Chapter 5: Removing and installing Customer Replaceable Units (CRUs).................................... 42
SIM card tray......................................................................................................................................................................42
Removing the SIM card tray (Optional).................................................................................................................42
Installing the SIM card tray (Optional)...................................................................................................................43
Base cover.......................................................................................................................................................................... 44
Removing the base cover.......................................................................................................................................... 44
Installing the base cover............................................................................................................................................ 46
Wireless card...................................................................................................................................................................... 49
Removing the WLAN card.........................................................................................................................................49
Installing the WLAN card...........................................................................................................................................50
Wireless Wide Area Network (WWAN) card............................................................................................................... 51
Removing the 4G WWAN card (Optional)............................................................................................................. 51
Installing the 4G WWAN card (Optional).............................................................................................................. 52
Removing the 5G WWAN card (Optional)............................................................................................................ 54
Installing the 5G WWAN card (Optional).............................................................................................................. 55
Memory module................................................................................................................................................................. 56
Removing the memory module................................................................................................................................ 56
Installing the memory module................................................................................................................................... 57
Solid-state drive................................................................................................................................................................ 58
Removing the M.2 2230 solid-state drive from Slot 1........................................................................................58
Installing the M.2 2230 solid-state drive in Slot 1............................................................................................... 59
Removing the M.2 2280 solid-state drive from Slot 1....................................................................................... 60
Installing the M.2 2280 solid-state drive in Slot 1................................................................................................ 61
Removing the M.2 2230 solid-state drive from Slot 2.......................................................................................62
Installing the M.2 2230 solid-state drive in Slot 2...............................................................................................63
Chapter 6: Removing and installing Field Replaceable Units (FRUs)............................................ 65
Battery................................................................................................................................................................................. 65
Rechargeable Li-ion battery precautions...............................................................................................................65
Removing the battery................................................................................................................................................ 65
Installing the battery................................................................................................................................................... 67
Assembly inner frame....................................................................................................................................................... 68
Removing the assembly-inner frame...................................................................................................................... 68
4 Contents