Dell NOT22188 Owner's Manual page 5

ComfortView Plus............................................................................................................................................................. 33
Using the privacy shutter................................................................................................................................................ 34
Dell Optimizer..................................................................................................................................................................... 34
Chapter 4: Working inside your computer....................................................................................36
Safety instructions............................................................................................................................................................36
Before working inside your computer.....................................................................................................................36
Safety precautions...................................................................................................................................................... 37
Electrostatic discharge-ESD protection............................................................................................................. 37
ESD field service kit ...................................................................................................................................................38
Transporting sensitive components........................................................................................................................39
After working inside your computer....................................................................................................................... 39
BitLocker....................................................................................................................................................................... 39
Recommended tools......................................................................................................................................................... 39
Screw list.............................................................................................................................................................................40
Major components of Latitude 5540.............................................................................................................................41
Chapter 5: Removing and installing Customer Replaceable Units (CRUs).................................... 44
SIM card tray (Optional) ................................................................................................................................................ 44
Removing the SIM card tray (Optional).................................................................................................................44
Installing the SIM card tray (Optional)...................................................................................................................45
Base cover.......................................................................................................................................................................... 46
Removing the base cover..........................................................................................................................................46
Installing the base cover............................................................................................................................................ 48
Wireless card.......................................................................................................................................................................51
Removing the WLAN card......................................................................................................................................... 51
Installing the WLAN card........................................................................................................................................... 52
WWAN card (Optional)....................................................................................................................................................53
Removing the 4G WWAN card (Optional)............................................................................................................ 53
Installing the 4G WWAN card (Optional).............................................................................................................. 54
Removing the 5G WWAN card (Optional)............................................................................................................ 56
Installing the 5G WWAN card (Optional).............................................................................................................. 57
Memory modules............................................................................................................................................................... 58
Removing the memory module.................................................................................................................................58
Installing the memory module...................................................................................................................................59
Solid-state drive................................................................................................................................................................ 60
Removing the M.2 2230 solid-state drive from Slot 1....................................................................................... 60
Installing the M.2 2230 solid-state drive in Slot 1................................................................................................ 61
Removing the M.2 2280 solid-state drive from Slot 1........................................................................................63
Installing the M.2 2280 solid-state drive in Slot 1............................................................................................... 64
Removing the M.2 2230 solid-state drive from Slot 2.......................................................................................65
Installing the M.2 2230 solid-state drive in Slot 2...............................................................................................66
Fan........................................................................................................................................................................................ 67
Removing the fan........................................................................................................................................................ 67
Installing the fan.......................................................................................................................................................... 67
Chapter 6: Removing and installing Field Replaceable Units (FRUs)............................................ 69
Battery................................................................................................................................................................................. 69
Rechargeable Li-ion battery precautions...............................................................................................................69
4 Contents