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 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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