Dell D31M Owner's Manual page 6

Updating the BIOS in Linux and Ubuntu...............................................................................................................144
Updating the BIOS from the F12 One Time Boot menu................................................................................... 144
System and setup password......................................................................................................................................... 145
Assigning a system setup password......................................................................................................................145
Deleting or changing an existing system setup password............................................................................... 146
Clearing CMOS settings.................................................................................................................................................146
Clearing BIOS (System Setup) and System passwords.........................................................................................146
Chapter 10: Troubleshooting...................................................................................................... 147
Dell SupportAssist Pre-boot System Performance Check diagnostics.............................................................. 147
Running the SupportAssist Pre-Boot System Performance Check.............................................................. 147
Power-Supply Unit Built-in Self-Test ........................................................................................................................ 147
System-diagnostic lights................................................................................................................................................148
Recovering the operating system................................................................................................................................149
Real Time Clock-RTC reset........................................................................................................................................149
Backup media and recovery options........................................................................................................................... 150
Wi-Fi power cycle............................................................................................................................................................150
Chapter 11: Getting help and contacting Dell.............................................................................. 151
6 Contents