Dell Latitude 5401 Service Manual page 4

Removing the heatsink assembly-discrete.................................................................................................................36
Installing the heatsink assembly-discrete................................................................................................................... 38
Heatsink assembly-UMA.................................................................................................................................................. 41
Removing the heatsink assembly-UMA.......................................................................................................................41
Installing the heatsink assembly-UMA........................................................................................................................ 42
DC-in port.............................................................................................................................................................................45
Removing the DC-in......................................................................................................................................................45
Installing the DC-in........................................................................................................................................................ 46
SmartCard reader................................................................................................................................................................ 47
Removing the smartcard reader board....................................................................................................................... 47
Installing the smartcard reader board......................................................................................................................... 48
Touchpad buttons............................................................................................................................................................... 49
Removing the touchpad button board........................................................................................................................49
Installing the touchpad button board..........................................................................................................................50
LED board............................................................................................................................................................................. 51
Removing the LED board.............................................................................................................................................. 51
Installing the LED board................................................................................................................................................52
Speakers............................................................................................................................................................................... 54
Removing the speakers................................................................................................................................................ 54
Installing the speakers...................................................................................................................................................55
System board.......................................................................................................................................................................56
Removing the system board........................................................................................................................................ 56
Installing the system board...........................................................................................................................................58
Keyboard............................................................................................................................................................................... 61
Removing the keyboard.................................................................................................................................................61
Installing the keyboard.................................................................................................................................................. 63
Power button.......................................................................................................................................................................65
Removing the power button with fingerprint reader................................................................................................65
Installing the power button with fingerprint reader.................................................................................................. 65
Display assembly..................................................................................................................................................................66
Removing the display assembly................................................................................................................................... 66
Installing the display assembly..................................................................................................................................... 69
Display bezel......................................................................................................................................................................... 74
Removing the display bezel.......................................................................................................................................... 74
Installing the display bezel............................................................................................................................................ 75
Hinge caps............................................................................................................................................................................ 76
Removing the hinge caps............................................................................................................................................. 76
Installing the hinge caps................................................................................................................................................ 77
Display panel.........................................................................................................................................................................78
Removing the display panel.......................................................................................................................................... 78
Installing the display panel............................................................................................................................................ 80
Camera..................................................................................................................................................................................83
Removing camera.......................................................................................................................................................... 83
Installing camera............................................................................................................................................................ 83
Display hinges.......................................................................................................................................................................84
Removing display hinge.................................................................................................................................................84
Installing display hinge...................................................................................................................................................85
Display (eDP) cable............................................................................................................................................................. 86
Removing display cable.................................................................................................................................................86
Installing display cable................................................................................................................................................... 87
4 Contents