Updating the BIOS...........................................................................................................................................................139
Updating the BIOS in Windows.............................................................................................................................. 139
Updating the BIOS in Linux and Ubuntu.............................................................................................................. 139
Updating the BIOS using the USB drive in Windows........................................................................................ 139
Updating the BIOS from the One-Time boot menu.......................................................................................... 140
System and setup password..........................................................................................................................................141
Assigning a System Setup password..................................................................................................................... 141
Deleting or changing an existing system password or setup password........................................................ 141
Clearing system and setup passwords....................................................................................................................... 142
Chapter 10: Troubleshooting...................................................................................................... 143
Handling swollen rechargeable Li-ion batteries........................................................................................................143
Dell SupportAssist Pre-boot System Performance Check diagnostics.............................................................. 143
Running the SupportAssist Pre-Boot System Performance Check.............................................................. 144
Built-in self-test (BIST)..................................................................................................................................................144
(Motherboard Built-In Self-Test) M-BIST........................................................................................................... 144
Logical Built-in Self-test (L-BIST).........................................................................................................................145
LCD Built-in Self-Test (LCD-BIST)....................................................................................................................... 145
System-diagnostic lights................................................................................................................................................145
Recovering the operating system................................................................................................................................146
Real-Time Clock (RTC Reset)...................................................................................................................................... 147
Backup media and recovery options........................................................................................................................... 147
Network power cycle...................................................................................................................................................... 147
Drain flea power (perform hard reset)....................................................................................................................... 147
Chapter 11: Getting help and contacting Dell.............................................................................. 149
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Contents