Dell Latitude 7220 Service Manual page 4

Installing the WWAN card............................................................................................................................................ 36
Microphone...........................................................................................................................................................................37
Removing the microphone............................................................................................................................................37
Installing the microphone.............................................................................................................................................. 37
Front camera........................................................................................................................................................................38
Removing the front camera......................................................................................................................................... 38
Installing the front camera............................................................................................................................................40
Coin-cell battery.................................................................................................................................................................. 42
Removing the coin-cell battery....................................................................................................................................42
Installing the coin-cell battery...................................................................................................................................... 43
System board....................................................................................................................................................................... 44
Removing the system board........................................................................................................................................ 44
Installing the system board...........................................................................................................................................49
Rear Camera........................................................................................................................................................................ 52
Removing the rear camera........................................................................................................................................... 52
Installing the rear camera............................................................................................................................................. 53
Micro serial port and power connector port.................................................................................................................... 54
Removing micro serial port and power connector port............................................................................................54
Installing micro serial port and power connector port.............................................................................................. 55
Docking Board......................................................................................................................................................................57
Removing the docking board....................................................................................................................................... 57
Installing the docking board..........................................................................................................................................58
Smart card reader and wireless passthrough daughterboard....................................................................................... 59
Removing the smart card reader and wireless passthrough daughterboard.........................................................59
Installing the smart card reader and wireless passthrough daughterboard............................................................61
3 System setup.............................................................................................................................64
Boot menu............................................................................................................................................................................ 64
Navigation keys....................................................................................................................................................................64
Boot Sequence.................................................................................................................................................................... 65
System setup options......................................................................................................................................................... 65
General options..............................................................................................................................................................65
System information....................................................................................................................................................... 66
Video............................................................................................................................................................................... 68
Security...........................................................................................................................................................................68
Secure boot....................................................................................................................................................................69
Intel Software Guard Extensions................................................................................................................................. 70
Performance...................................................................................................................................................................70
Power management....................................................................................................................................................... 71
POST behavior............................................................................................................................................................... 72
Manageability..................................................................................................................................................................73
Virtualization support.................................................................................................................................................... 73
Wireless........................................................................................................................................................................... 74
Maintenance screen...................................................................................................................................................... 74
System logs.................................................................................................................................................................... 74
SupportAssist System Resolution................................................................................................................................74
About...............................................................................................................................................................................75
Updating the BIOS in Windows ........................................................................................................................................ 75
Updating BIOS on systems with BitLocker enabled..................................................................................................75
Updating your system BIOS using a USB flash drive................................................................................................ 76
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