Dell Inspiron 7405 2n1 - Safety and Best Practices; General Safety Information

1 Working inside your computer....................................................................................................... 5
Before working inside your computer................................................................................................................................. 5
Safety instructions................................................................................................................................................................ 5
Electrostatic discharge—ESD protection.......................................................................................................................... 6
ESD field service kit ..............................................................................................................................................................6
Transporting sensitive components.................................................................................................................................... 7
After working inside your computer.................................................................................................................................... 7
2 Removing and installing components............................................................................................. 8
Recommended tools..............................................................................................................................................................8
Screw list................................................................................................................................................................................ 8
Major components of Inspiron 7405 2n1............................................................................................................................ 9
Base cover............................................................................................................................................................................ 10
Removing the base cover..............................................................................................................................................10
Installing the base cover................................................................................................................................................ 13
Battery...................................................................................................................................................................................15
Lithium-ion battery precautions................................................................................................................................... 15
Removing the battery....................................................................................................................................................15
Installing the battery...................................................................................................................................................... 16
Coin-cell battery................................................................................................................................................................... 17
Removing the coin-cell battery.....................................................................................................................................17
Installing the coin-cell battery.......................................................................................................................................18
Memory modules..................................................................................................................................................................19
Removing the memory modules...................................................................................................................................19
Installing the memory modules.....................................................................................................................................20
Speakers............................................................................................................................................................................... 22
Removing the speakers.................................................................................................................................................22
Installing the speakers...................................................................................................................................................22
Heat sink...............................................................................................................................................................................23
Removing the heat sink................................................................................................................................................ 23
Installing the heat sink...................................................................................................................................................24
Power-adapter port............................................................................................................................................................ 25
Removing the power-adapter port............................................................................................................................. 25
Installing the power-adapter port................................................................................................................................26
Touchpad..............................................................................................................................................................................27
Removing the touchpad................................................................................................................................................27
Installing the touchpad..................................................................................................................................................28
Solid-state drive...................................................................................................................................................................29
Removing the M.2 2230 solid-state drive.................................................................................................................. 29
Installing the M.2 2230 solid-state drive.................................................................................................................... 30
Removing the M.2 2280 solid-state drive.................................................................................................................. 32
Installing the M.2 2280 solid-state drive.................................................................................................................... 33
Fan.........................................................................................................................................................................................35
Removing the fan.......................................................................................................................................................... 35
Contents
Contents 3