Dell Latitude 7220 Rugged Extreme Tablet Service Manual - Page 4

WWAN card...38 Removing the WWAN card...38 Installing the WWAN card...39 Microphone...40 Removing the microphone...40 Installing the microphone...40 Front camera...41 Removing the front camera...41 Installing the front camera...43 Coin-cell battery...45 Removing the coin-cell battery...45 Installing the coin-cell battery...46 System board...47 Removing the system board...47 Installing the system board...52 Rear Camera...55 Removing the rear camera...55 Installing the rear camera...56 Micro serial port and power connector port...57 Removing micro serial port and power connector port 57 Installing micro serial port and power connector port 58 Docking Board...60 Removing the docking board...60 Installing the docking board...61 Smart card reader and wireless passthrough daughterboard 62 Removing the smart card reader and wireless passthrough daughterboard 62 Installing the smart card reader and wireless passthrough daughterboard 64 4 System setup...67 Boot menu...67 Navigation keys...67 Boot Sequence...68 System setup options...68 General options...68 System information...69 Video...71 Security...71 Secure boot...72 Intel Software Guard Extensions...73 Performance...73 Power management...74 POST behavior...75 Manageability...76 Virtualization support...76 Wireless...77 Maintenance screen...77 System logs...77 SupportAssist System Resolution...77 About...78 Updating the BIOS in Windows ...78 4 Contents