Dell P44E Service Manual page 4

Installing the SIM card................................................................................................................................................39
WLAN card..........................................................................................................................................................................40
Removing the WLAN card.........................................................................................................................................40
Installing the WLAN card............................................................................................................................................41
WWAN card........................................................................................................................................................................ 42
Removing the WWAN card....................................................................................................................................... 42
Installing the WWAN card......................................................................................................................................... 43
Keyboard lattice.................................................................................................................................................................44
Removing the keyboard lattice................................................................................................................................ 44
Installing the keyboard lattice...................................................................................................................................45
Keyboard............................................................................................................................................................................. 46
Removing the keyboard............................................................................................................................................. 46
Installing the keyboard................................................................................................................................................47
Primary memory module.................................................................................................................................................. 49
Removing the primary memory module................................................................................................................. 49
Installing the primary memory module................................................................................................................... 50
Heat sink ............................................................................................................................................................................. 51
Removing the heat-sink assembly........................................................................................................................... 51
Installing the heat sink assembly............................................................................................................................. 52
Power-adapter port.......................................................................................................................................................... 53
Removing the power-adapter port......................................................................................................................... 53
Installing the power-adapter port............................................................................................................................53
Power button board..........................................................................................................................................................54
Removing the power button board......................................................................................................................... 54
Installing the power button board........................................................................................................................... 55
Power button board with fingerprint reader.............................................................................................................. 55
Removing the power button assembly with fingerprint reader....................................................................... 55
Installing the power button assembly with fingerprint reader..........................................................................56
Inner frame..........................................................................................................................................................................57
Removing the inner frame......................................................................................................................................... 57
Installing the inner frame........................................................................................................................................... 58
Smart-card reader............................................................................................................................................................ 59
Removing the smart-card reader............................................................................................................................ 59
Installing the smart-card reader.............................................................................................................................. 60
Touchpad button................................................................................................................................................................61
Removing the Touchpad buttons............................................................................................................................. 61
Installing the Touchpad buttons.............................................................................................................................. 62
SD card reader................................................................................................................................................................... 63
Removing SD card reader..........................................................................................................................................63
Installing SD card reader............................................................................................................................................64
Power button..................................................................................................................................................................... 65
Removing the power button.....................................................................................................................................65
Installing the power button....................................................................................................................................... 66
Power button assembly with fingerprint reader........................................................................................................ 67
Removing the power button assembly with fingerprint reader........................................................................67
Installing the power button assembly with fingerprint reader..........................................................................68
GPU power cable.............................................................................................................................................................. 69
Removing the GPU power cable..............................................................................................................................69
Installing the GPU power cable................................................................................................................................ 70
System board...................................................................................................................................................................... 71
4 Contents