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 7780............................................................................................................................12

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

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

Installing the base cover.............................................................................................................................................19

Battery.................................................................................................................................................................................. 21

Lithium-ion battery precautions............................................................................................................................... 21

Removing the battery.................................................................................................................................................22

Installing the battery...................................................................................................................................................24

SIM card.............................................................................................................................................................................. 25

Removing the SIM card............................................................................................................................................. 25

Installing the SIM card................................................................................................................................................27

Compression Attached Memory (CAMM) module....................................................................................................28

Removing the Compression Attached Memory (CAMM) module................................................................... 28

Installing the Compression Attached Memory (CAMM) module..................................................................... 29

Memory modules................................................................................................................................................................ 31

Removing the memory module................................................................................................................................. 31

Installing the memory module....................................................................................................................................31

Memory interposer board................................................................................................................................................ 32

Removing the interposer board module................................................................................................................. 32

Installing the interposer board module................................................................................................................... 34

WLAN card..........................................................................................................................................................................35

Removing the WLAN card.........................................................................................................................................35

Installing the WLAN card........................................................................................................................................... 36

Wireless Wide Area Network (WWAN) card.............................................................................................................. 38

Removing the WWAN card....................................................................................................................................... 38

Installing the WWAN card......................................................................................................................................... 39

Solid State Drive................................................................................................................................................................40

Removing the primary M.2 Solid-state drive........................................................................................................ 40

Installing the primary M.2 SSD module................................................................................................................... 41

Secondary M.2 solid-state drive....................................................................................................................................42

Removing the secondary M.2 Solid-state drive................................................................................................... 42

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