Table Of Contents - Dell Latitude 3400 Service Manual

1 Working on your computer............................................................................................................................. 5
Safety instructions............................................................................................................................................................. 5
Turning off your computer - Windows 10.....................................................................................................................5
Before working inside your computer..............................................................................................................................6
After working inside your computer.................................................................................................................................6
2 Technology and components..........................................................................................................................7
DDR4....................................................................................................................................................................................7
DDR4 Details................................................................................................................................................................. 7
Memory Errors..............................................................................................................................................................8
USB features.......................................................................................................................................................................8
USB 3.0/USB 3.1 Gen 1 (SuperSpeed USB)............................................................................................................. 8
Speed.............................................................................................................................................................................9
Applications...................................................................................................................................................................9
Compatibility................................................................................................................................................................10
USB Type-C.......................................................................................................................................................................10
Alternate Mode........................................................................................................................................................... 10
USB Power Delivery................................................................................................................................................... 10
USB Type-C and USB 3.1........................................................................................................................................... 10
Intel Optane memory.........................................................................................................................................................11
Enabling Intel Optane memory...................................................................................................................................11
Disabling Intel Optane memory.................................................................................................................................. 11
Intel UHD Graphics 620................................................................................................................................................... 12
Nvidia GeForce MX130 equivalent................................................................................................................................. 12
3 Removing and installing components............................................................................................................13
Recommended tools.........................................................................................................................................................13
Secure Digital Card..................................................................................................................................................... 13
Base cover................................................................................................................................................................... 14
Battery......................................................................................................................................................................... 19
Hard drive....................................................................................................................................................................23
IO board....................................................................................................................................................................... 27
Touchpad..................................................................................................................................................................... 31
Memory modules........................................................................................................................................................37
WLAN card................................................................................................................................................................. 39
Solid-state drive/Intel Optane memory module......................................................................................................41
Speakers...................................................................................................................................................................... 51
System fan..................................................................................................................................................................54
Heat sink..................................................................................................................................................................... 60
VGA daughterboard...................................................................................................................................................63
Power-button board...................................................................................................................................................67
System board.............................................................................................................................................................. 71
Display assembly.........................................................................................................................................................77
Contents
Contents 3