Dell Vostro 14 3430 Owner's Manual page 6

Chapter 8: BIOS setup................................................................................................................131
Entering BIOS setup program........................................................................................................................................131
Navigation keys.................................................................................................................................................................131
One time boot menu........................................................................................................................................................ 131
System setup options..................................................................................................................................................... 132
Updating the BIOS...........................................................................................................................................................137
Updating the BIOS in Windows.............................................................................................................................. 137
Updating the BIOS in Linux and Ubuntu.............................................................................................................. 138
Updating the BIOS using the USB drive in Windows........................................................................................ 138
Updating the BIOS from the F12 One-Time boot menu................................................................................... 138
System and setup password......................................................................................................................................... 139
Assigning a system setup password......................................................................................................................139
Deleting or changing an existing system setup password............................................................................... 140
Clearing BIOS (System Setup) and System passwords.........................................................................................140
Chapter 9: Troubleshooting........................................................................................................ 141
Handling swollen Lithium-ion batteries....................................................................................................................... 141
Locate the Service Tag or Express Service Code of your Dell computer .............................................141
Dell SupportAssist Pre-boot System Performance Check diagnostics.............................................................. 142
Running the SupportAssist Pre-Boot System Performance Check.............................................................. 142
Built-in self-test (BIST)..................................................................................................................................................142
M-BIST......................................................................................................................................................................... 142
LCD Power rail test (L-BIST)..................................................................................................................................143
LCD Built-in Self Test (BIST)..................................................................................................................................143
System-diagnostic lights................................................................................................................................................144
Recovering the operating system................................................................................................................................145
Real-Time Clock (RTC Reset)...................................................................................................................................... 145
Backup media and recovery options........................................................................................................................... 146
Wi-Fi power cycle............................................................................................................................................................ 146
Drain residual flea power (perform hard reset)........................................................................................................146
Chapter 10: Getting help and contacting Dell............................................................................. 147
6 Contents