Removing the sensor board..................................................................................................................................... 118

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

F12 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

Contents

Table of Contents