Dell Inspiron 7490 P115G - Default Chapter; Table of Contents

1 Working inside your computer....................................................................................................... 6
Safety instructions.................................................................................................................................................................6
Before working inside your computer................................................................................................................................. 6
Before you begin .............................................................................................................................................................6
Electrostatic discharge—ESD protection.......................................................................................................................... 7
ESD field service kit ..............................................................................................................................................................7
Transporting sensitive components.................................................................................................................................... 8
After working inside your computer....................................................................................................................................8
2 Removing and installing components............................................................................................. 9
Recommended tools..............................................................................................................................................................9
Screw list................................................................................................................................................................................ 9
Nano-SIM card tray............................................................................................................................................................. 10
Removing the Nano-SIM card tray..............................................................................................................................10
Installing the Nano-SIM card tray................................................................................................................................. 11
Base cover.............................................................................................................................................................................12
Removing the base cover..............................................................................................................................................12
Installing the base cover................................................................................................................................................ 13
Solid-state drive/Intel Optane............................................................................................................................................15
Removing the M.2 2280 solid-state drive/Intel Optane........................................................................................... 15
Installing the M.2 2280 solid-state drive/Intel Optane..............................................................................................16
Solid-state drive................................................................................................................................................................... 18
Removing the M.2 2230 solid-state drive...................................................................................................................18
Installing the M.2 2230 solid-state drive..................................................................................................................... 19
Battery.................................................................................................................................................................................. 20
Lithium-ion battery precautions...................................................................................................................................20
Removing the battery................................................................................................................................................... 20
Installing the battery...................................................................................................................................................... 21
Coin-cell battery.................................................................................................................................................................. 22
Removing the coin-cell battery....................................................................................................................................22
Installing the coin-cell battery...................................................................................................................................... 23
WWAN card......................................................................................................................................................................... 24
Removing the WWAN card.......................................................................................................................................... 24
Installing the WWAN card............................................................................................................................................ 25
Heat sink............................................................................................................................................................................... 27
Removing the heatsink (on computers shipped with discrete graphics card)...................................................... 27
Installing the heat sink (on computers shipped with discrete graphics card)........................................................27
Removing the heatsink (on computers shipped with integrated graphics card).................................................. 28
Installing the heat sink (on computers shipped with integrated graphics card)................................................... 29
Fan..........................................................................................................................................................................................31
Removing the fan (on computers shipped with discrete graphics card)................................................................31
Installing the fan (on computers shipped with discrete graphics card)................................................................. 32
Removing the fan (on computers shipped with integrated graphics card)........................................................... 33
Installing the fan (on computers shipped with integrated graphics card)............................................................. 33
Contents
Contents 3