Dell Precision 7720 - Table of Contents

1 Working on your computer............................................................................................................ 8
Safety instructions.................................................................................................................................................................8
Turning Off Your Computer................................................................................................................................................. 8
Turning off your — Windows.............................................................................................................................................. 9
Before working inside your computer................................................................................................................................. 9
After working inside your computer....................................................................................................................................9
2 Disassembly and reassembly........................................................................................................ 11
SD card...................................................................................................................................................................................11
Removing SD card.......................................................................................................................................................... 11
Installing SD card.............................................................................................................................................................11
Battery cover.........................................................................................................................................................................11
Removing the battery cover..........................................................................................................................................11
Installing the battery cover............................................................................................................................................12
Battery...................................................................................................................................................................................12
Lithium-ion battery precautions................................................................................................................................... 12
Removing the battery.................................................................................................................................................... 12
Installing the battery...................................................................................................................................................... 13
Hard drive..............................................................................................................................................................................13
Removing the hard drive............................................................................................................................................... 13
Installing the hard drive..................................................................................................................................................14
Hard drive cable connector.................................................................................................................................................15
Removing the hard drive cable connector..................................................................................................................15
Installing the hard drive cable connector.................................................................................................................... 15
Keyboard lattice and Keyboard.......................................................................................................................................... 16
Removing the keyboard.................................................................................................................................................16
Installing the keyboard................................................................................................................................................... 17
Memory modules.................................................................................................................................................................. 17
Removing the primary memory module.......................................................................................................................17
Installing the primary memory module......................................................................................................................... 18
Removing the secondary memory module..................................................................................................................18
Installing the secondary memory module.................................................................................................................... 19
Base cover............................................................................................................................................................................ 19
Removing the base cover..............................................................................................................................................19
Installing the base cover............................................................................................................................................... 20
WWAN card......................................................................................................................................................................... 20
Removing Wireless Wide Area Network - WWAN card........................................................................................... 20
Installing the WWAN card ............................................................................................................................................ 21
WLAN card............................................................................................................................................................................21
Removing the Wireless Local Area Network - WLAN card...................................................................................... 21
Installing the WLAN Card............................................................................................................................................. 22
Solid State Drive ................................................................................................................................................................. 22
Removing the M.2 Solid State Drive -SSD module...................................................................................................22
Installing the M.2 SSD module..................................................................................................................................... 23
Contents
Contents 3