Dell Pro 16 Plus - Page 6

Updating the BIOS...........................................................................................................................................................139
Updating the BIOS in Windows.............................................................................................................................. 139
Updating the BIOS in Linux and Ubuntu.............................................................................................................. 140
Updating the BIOS using the USB drive in Windows........................................................................................ 140
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....................................................... 142
Clearing system and setup passwords....................................................................................................................... 142
Chapter 9: Troubleshooting....................................................................................................... 143
Handling swollen rechargeable Li-ion batteries........................................................................................................ 143
Locating the Service Tag or Express Service Code of your Dell computer ..................................................... 143
Dell SupportAssist Pre-boot System Performance Check diagnostics.............................................................. 144
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................................................................................................................................................146
Recovering the operating system................................................................................................................................ 147
Real-Time Clock (RTC Reset)...................................................................................................................................... 147
Backup media and recovery options........................................................................................................................... 148
Network power cycle......................................................................................................................................................148
Drain flea power (perform hard reset)....................................................................................................................... 148
Chapter 10: Getting help and contacting Dell............................................................................. 150
6
Contents