Dell P127F - Page 6

Installing the sensor board....................................................................................................................................... 119
Smart Card Reader..........................................................................................................................................................120
Removing the smart-card reader...........................................................................................................................120
Installing the smart-card reader..............................................................................................................................121
Dummy SIM-card slot filler............................................................................................................................................122
Removing the dummy SIM-card slot filler........................................................................................................... 122
Installing the dummy SIM-card slot filler..............................................................................................................123
Palm-rest assembly......................................................................................................................................................... 124
Removing the palm-rest assembly.........................................................................................................................124
Installing the palm-rest assembly...........................................................................................................................126
Chapter 7: Software...................................................................................................................128
Operating system.............................................................................................................................................................128
Drivers and downloads................................................................................................................................................... 128
Chapter 8: Technology and components.....................................................................................129
Chapter 9: BIOS setup............................................................................................................... 130
Entering BIOS setup program.......................................................................................................................................130
Navigation keys................................................................................................................................................................130
One time boot menu....................................................................................................................................................... 130
One Time Boot menu.......................................................................................................................................................131
System setup options......................................................................................................................................................131
Updating the BIOS...........................................................................................................................................................142
Updating the BIOS in Windows.............................................................................................................................. 142
Updating the BIOS in Linux and Ubuntu...............................................................................................................142
Updating the BIOS using the USB drive in Windows........................................................................................ 143
Updating the BIOS from the F12 One-Time boot menu................................................................................... 143
System and setup password......................................................................................................................................... 144
Assigning a system setup password......................................................................................................................144
Deleting or changing an existing system setup password............................................................................... 145
Clearing CMOS settings.................................................................................................................................................145
Clearing BIOS (System Setup) and System passwords.........................................................................................145
Chapter 10: Troubleshooting...................................................................................................... 146
Handling swollen rechargeable Li-ion batteries........................................................................................................146
Locate the Service Tag or Express Service Code of your Dell computer ............................................ 146
Dell SupportAssist Pre-boot System Performance Check diagnostics.............................................................. 147
Running the SupportAssist Pre-Boot System Performance Check.............................................................. 147
Built-in self-test (BIST)..................................................................................................................................................147
M-BIST......................................................................................................................................................................... 147
LCD Power rail test (L-BIST)..................................................................................................................................148
LCD Built-in Self Test (BIST)..................................................................................................................................148
System-diagnostic lights................................................................................................................................................149
Recovering the operating system................................................................................................................................150
Real-Time Clock (RTC Reset)...................................................................................................................................... 150
Backup media and recovery options............................................................................................................................151
Wi-Fi power cycle.............................................................................................................................................................151
Drain residual flea power (perform hard reset)........................................................................................................ 151
6
Contents