ComfortView Plus
.............................................................................................................................................................
38
Using the privacy shutter
................................................................................................................................................
38
Dell Optimizer
.....................................................................................................................................................................
39
Chapter 4: Working inside your computer
....................................................................................
40
Safety instructions
............................................................................................................................................................
40
Before working inside your computer
.....................................................................................................................
40
Safety precautions
.......................................................................................................................................................
41
Electrostatic dischargeāESD protection
..............................................................................................................
41
ESD Field Service kit
.................................................................................................................................................
42
Transporting sensitive components
........................................................................................................................
43
After working inside your computer
........................................................................................................................
43
After working inside your computer
........................................................................................................................
43
BitLocker
.......................................................................................................................................................................
43
Recommended tools
.........................................................................................................................................................
44
Screw list
.............................................................................................................................................................................
44
Major components of Latitude 5550
............................................................................................................................
45
Chapter 5: Removing and installing Customer Replaceable Units (CRUs)
....................................
48
SIM card tray
......................................................................................................................................................................
48
Removing the SIM card tray (optional)
.................................................................................................................
48
Installing the SIM card tray (optional)
....................................................................................................................
49
Base cover
..........................................................................................................................................................................
50
Removing the base cover
..........................................................................................................................................
50
Installing the base cover
............................................................................................................................................
53
Wireless card
......................................................................................................................................................................
55
Removing the wireless card
......................................................................................................................................
55
Installing the wireless card
........................................................................................................................................
56
Wireless Wide Area Network (WWAN) card
..............................................................................................................
58
Removing the 4G WWAN card
................................................................................................................................
58
Installing the 4G WWAN card
...................................................................................................................................
59
Removing the 5G WWAN card
.................................................................................................................................
61
Installing the 5G WWAN card
...................................................................................................................................
62
Memory module
.................................................................................................................................................................
64
Removing the memory module
.................................................................................................................................
64
Installing the memory module
...................................................................................................................................
65
Solid State Drive (SSD)
...................................................................................................................................................
65
Removing the M.2 2230 SSD from slot 1 (SSD1)
................................................................................................
65
Installing the M.2 2230 SSD in slot 1 (SSD1)
........................................................................................................
66
Removing the M.2 2280 SSD from slot 1 (SSD1)
................................................................................................
67
Installing the M.2 2280 SSD in slot 1 (SSD1)
........................................................................................................
68
Removing the M.2 2230 SSD from slot 2 (SSD2)
..............................................................................................
69
Installing the M.2 2230 SSD in slot 2 (SSD2)
......................................................................................................
70
Fan
.........................................................................................................................................................................................
71
Removing the fan
.........................................................................................................................................................
71
Installing the fan
...........................................................................................................................................................
72
Chapter 6: Removing and installing Field Replaceable Units (FRUs)
............................................
74
Battery
.................................................................................................................................................................................
74
4
Contents