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 Precision 3470............................................................................................................................ 11

Micro Secure Digital (SD) Card...................................................................................................................................... 13

Removing the microSD card......................................................................................................................................13

Installing the microSD card........................................................................................................................................ 14

Base cover........................................................................................................................................................................... 14

Removing the base cover...........................................................................................................................................14

Installing the base cover.............................................................................................................................................16

Wireless card....................................................................................................................................................................... 17

Removing the wireless card.......................................................................................................................................17

Installing the wireless card.........................................................................................................................................19

Solid-state drives............................................................................................................................................................... 21

Removing the 2230 solid-state drive ..................................................................................................................... 21

Installing the 2230 solid-state drive........................................................................................................................22

Removing the 2280 solid-state drive..................................................................................................................... 23

Installing the 2280 solid-state drive........................................................................................................................24

Memory................................................................................................................................................................................25

Removing the memory modules...............................................................................................................................25

Installing the memory module...................................................................................................................................26

Battery................................................................................................................................................................................. 27

Lithium-ion battery precautions............................................................................................................................... 27

Removing the 4-cell battery..................................................................................................................................... 28

Installing the 4-cell battery....................................................................................................................................... 28

Battery cable...................................................................................................................................................................... 29

Removing the 4-cell battery cable ......................................................................................................................... 29

Installing the 4-cell battery cable............................................................................................................................ 30

Assembly inner frame........................................................................................................................................................31

Removing the assembly inner frame........................................................................................................................31

Installing the assembly inner frame......................................................................................................................... 33

LED board........................................................................................................................................................................... 35

Removing the LED board...........................................................................................................................................35

Installing the LED board.............................................................................................................................................36

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