Table Of Contents - Dell Inspiron 7400 Service Manual

Chapter 1: Working inside your computer...................................................................................... 6
Before working inside your computer.............................................................................................................................6
Safety instructions.............................................................................................................................................................. 6
Electrostatic discharge-ESD protection......................................................................................................................7
ESD field service kit ........................................................................................................................................................... 7
Transporting sensitive components................................................................................................................................ 8
After working inside your computer................................................................................................................................8
Chapter 2: Removing and installing components........................................................................... 9
Recommended tools........................................................................................................................................................... 9
Screw list............................................................................................................................................................................... 9
Major components of Inspiron 7400..............................................................................................................................10
Base cover........................................................................................................................................................................... 12
Removing the base cover...........................................................................................................................................12
Installing the base cover.............................................................................................................................................14
Battery..................................................................................................................................................................................16
Lithium-ion battery precautions............................................................................................................................... 16
Removing the 4-cell battery...................................................................................................................................... 17
Installing the 4-cell battery........................................................................................................................................ 18
Removing the 6-cell battery......................................................................................................................................18
Installing the 6-cell battery....................................................................................................................................... 20
Solid-state drive................................................................................................................................................................. 21
Removing the M.2 2230 solid-state drive..............................................................................................................21
Installing the M.2 2230 solid-state drive............................................................................................................... 22
Removing the M.2 2280 solid-state drive/Intel Optane H10............................................................................24
Installing the M.2 2280 solid-state drive/Intel Optane H10..............................................................................25
Heat sink.............................................................................................................................................................................. 27
Removing the heat sink..............................................................................................................................................27
Installing the heat sink................................................................................................................................................28
Fan........................................................................................................................................................................................ 29
Removing the fan (4-cell battery).......................................................................................................................... 29
Installing the fan (4-cell battery).............................................................................................................................30
Removing the fan (6-cell battery)........................................................................................................................... 31
Installing the fan (6-cell battery).............................................................................................................................32
Speakers.............................................................................................................................................................................. 33
Removing the speakers..............................................................................................................................................33
Installing the speakers................................................................................................................................................ 34
Display assembly................................................................................................................................................................36
Removing the display assembly............................................................................................................................... 36
Installing the display assembly..................................................................................................................................37
Power-adapter port.......................................................................................................................................................... 40
Removing the power-adapter port......................................................................................................................... 40
Installing the power-adapter port.............................................................................................................................41
Coin-cell battery................................................................................................................................................................ 42
Contents
Contents 3