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Removing the sensor board..................................................................................................................................... 118
Installing the sensor board....................................................................................................................................... 119
Fingerprint reader (Optional)........................................................................................................................................120
Removing the fingerprint reader (Optional)........................................................................................................120
Installing the fingerprint reader (Optional)...........................................................................................................121
Smart-card reader........................................................................................................................................................... 123
Removing the smart-card reader...........................................................................................................................123
Installing the smart-card reader............................................................................................................................. 123
Dummy SIM-card slot filler............................................................................................................................................124
Removing the dummy SIM-card slot filler........................................................................................................... 124
Installing the dummy SIM-card slot filler..............................................................................................................125
Palm-rest assembly......................................................................................................................................................... 126
Removing the palm-rest assembly.........................................................................................................................126
Installing the palm-rest assembly...........................................................................................................................128
Chapter 7: Software...................................................................................................................130
Operating system............................................................................................................................................................ 130
Drivers and downloads................................................................................................................................................... 130
Chapter 8: BIOS Setup............................................................................................................... 131
Entering BIOS setup program........................................................................................................................................131
Navigation keys.................................................................................................................................................................131
F12 One Time Boot menu............................................................................................................................................... 131
System setup options..................................................................................................................................................... 132
Updating the BIOS...........................................................................................................................................................143
Updating the BIOS in Windows.............................................................................................................................. 143
Updating the BIOS in Linux and Ubuntu...............................................................................................................143
Updating the BIOS using the USB drive in Windows........................................................................................ 143
Updating the BIOS from the F12 One-Time boot menu................................................................................... 144
System and setup password......................................................................................................................................... 144
Assigning a System Setup password.................................................................................................................... 145
Deleting or changing an existing system setup password............................................................................... 145
Clearing CMOS settings.................................................................................................................................................146
Clearing BIOS (System Setup) and System passwords.........................................................................................146
Chapter 9: Troubleshooting........................................................................................................147
Handling swollen rechargeable Li-ion batteries........................................................................................................ 147
Locate the Service Tag or Express Service Code of your Dell computer ............................................ 147
Dell SupportAssist Pre-boot System Performance Check diagnostics.............................................................. 148
Running the SupportAssist Pre-Boot System Performance Check.............................................................. 148
Built-in self-test (BIST)..................................................................................................................................................148
M-BIST......................................................................................................................................................................... 148
LCD Power rail test (L-BIST)................................................................................................................................. 149
LCD Built-in Self Test (BIST)..................................................................................................................................149
System-diagnostic lights................................................................................................................................................150
Recovering the operating system................................................................................................................................ 151
Real-Time Clock (RTC Reset).......................................................................................................................................151
Backup media and recovery options............................................................................................................................ 151
Wi-Fi power cycle.............................................................................................................................................................151
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