Chapter 1: Working inside your computer...................................................................................... 6
Safety instructions.............................................................................................................................................................. 6
Before working inside your computer.......................................................................................................................6
Safety precautions.........................................................................................................................................................7
Electrostatic discharge—ESD protection................................................................................................................7
ESD field service kit ..................................................................................................................................................... 8
Transporting sensitive components.......................................................................................................................... 9
After working inside your computer..........................................................................................................................9
BitLocker..........................................................................................................................................................................9
Chapter 2: Removing and installing components.......................................................................... 10
Recommended tools..........................................................................................................................................................10
Screw list............................................................................................................................................................................. 10
Major components of Latitude 3330..............................................................................................................................11
Micro-secure digital (mSD) card....................................................................................................................................13
Removing the micro-secure digital card.................................................................................................................13
Installing the micro-secure digital card................................................................................................................... 14
Base cover........................................................................................................................................................................... 14
Removing the base cover...........................................................................................................................................14
Installing the base cover.............................................................................................................................................16
Battery..................................................................................................................................................................................19
Lithium-ion battery precautions............................................................................................................................... 19
Removing the 3-cell battery......................................................................................................................................19
Installing the 3-cell battery....................................................................................................................................... 20
Removing the 4-cell battery..................................................................................................................................... 22
Installing the 4-cell battery....................................................................................................................................... 22
M.2 solid-state drive.........................................................................................................................................................22
Removing the M.2 2230 solid-state drive............................................................................................................. 22
Installing the M.2 2230 solid-state drive............................................................................................................... 23
Removing the M.2 2280 solid-state drive............................................................................................................. 23
Installing the M.2 2280 solid-state drive............................................................................................................... 24
Wireless card...................................................................................................................................................................... 26
Removing the wireless card......................................................................................................................................26
Installing the wireless card........................................................................................................................................ 27
Thermal fan.........................................................................................................................................................................29
Removing the thermal fan.........................................................................................................................................29
Installing the thermal module....................................................................................................................................30
Thermal heat-sink.............................................................................................................................................................. 31
Removing the thermal heat-sink.............................................................................................................................. 31
Installing the thermal heat-sink................................................................................................................................32
Coin-cell battery................................................................................................................................................................ 33
Removing the coin-cell battery................................................................................................................................33
Installing the coin-cell battery.................................................................................................................................. 34
Display assembly................................................................................................................................................................35
Contents
Contents 3