ComfortView Plus............................................................................................................................................................. 36
Using the privacy shutter................................................................................................................................................36
Dell Optimizer..................................................................................................................................................................... 37
Chapter 4: Working inside your computer....................................................................................38
Safety instructions............................................................................................................................................................38
Before working inside your computer.....................................................................................................................38
Safety precautions...................................................................................................................................................... 39
Electrostatic discharge—ESD protection............................................................................................................. 39
ESD Field Service kit ................................................................................................................................................. 40
Transporting sensitive components.........................................................................................................................41
After working inside your computer........................................................................................................................ 41
After working inside your computer........................................................................................................................ 41
BitLocker........................................................................................................................................................................ 41
Recommended tools......................................................................................................................................................... 42
Screw list.............................................................................................................................................................................42
Major components of Precision 3590.......................................................................................................................... 43
Chapter 5: Removing and installing Customer Replaceable Units (CRUs).................................... 46
SIM card tray......................................................................................................................................................................46
Removing the SIM card tray (optional)................................................................................................................. 46
Installing the SIM card tray (optional)....................................................................................................................47
Base cover.......................................................................................................................................................................... 48
Removing the base cover..........................................................................................................................................48
Installing the base cover.............................................................................................................................................51
Wireless card...................................................................................................................................................................... 53
Removing the wireless card......................................................................................................................................53
Installing the wireless card........................................................................................................................................ 54
Wireless Wide Area Network (WWAN) card.............................................................................................................. 56
Removing the 4G WWAN card................................................................................................................................ 56
Installing the 4G WWAN card...................................................................................................................................57
Removing the 5G WWAN card................................................................................................................................ 59
Installing the 5G WWAN card.................................................................................................................................. 60
Memory module................................................................................................................................................................. 62
Removing the memory module.................................................................................................................................62
Installing the memory module...................................................................................................................................63
Solid State Drive (SSD)................................................................................................................................................... 63
Removing the M.2 2230 SSD from slot 1 (SSD1)................................................................................................ 63
Installing the M.2 2230 SSD in slot 1 (SSD1)........................................................................................................64
Removing the M.2 2280 SSD from slot 1 (SSD1)................................................................................................65
Installing the M.2 2280 SSD in slot 1 (SSD1)........................................................................................................66
Removing the M.2 2230 SSD from slot 2 (SSD2)...............................................................................................67
Installing the M.2 2230 SSD in slot 2 (SSD2)...................................................................................................... 68
Fan........................................................................................................................................................................................ 69
Removing the fan........................................................................................................................................................ 69
Installing the fan.......................................................................................................................................................... 70
Chapter 6: Removing and installing Field Replaceable Units (FRUs)............................................ 72
Battery................................................................................................................................................................................. 72
4
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