Boot menu........................................................................................................................................................................... 79
Navigation keys..................................................................................................................................................................79
Boot Sequence...................................................................................................................................................................80
System setup options.......................................................................................................................................................80
Updating the BIOS............................................................................................................................................................ 84
Updating the BIOS in Windows................................................................................................................................84
Updating the BIOS in Linux and Ubuntu................................................................................................................ 84
Updating the BIOS using the USB drive in Windows..........................................................................................84
Updating the BIOS from the F12 One-Time boot menu.................................................................................... 85
System and setup password...........................................................................................................................................85
Assigning a system setup password....................................................................................................................... 86
Deleting or changing an existing system setup password.................................................................................86
Clearing BIOS (System Setup) and System passwords.....................................................................................87
Chapter 5: Troubleshooting.........................................................................................................88
Handling swollen Lithium-ion batteries........................................................................................................................ 88
Dell SupportAssist Pre-boot System Performance Check diagnostics................................................................88
Running the SupportAssist Pre-Boot System Performance Check................................................................89
Enhanced Pre-Boot System Assessment (ePSA) diagnostics...............................................................................89
Running SupportAssist diagnostics.........................................................................................................................89
System diagnostic lights..................................................................................................................................................90
Updating the BIOS in Windows...................................................................................................................................... 91
Updating the BIOS using the USB drive in Windows................................................................................................ 91
Backup media and recovery options.............................................................................................................................92
WiFi power cycle............................................................................................................................................................... 92
Drain residual flea power (perform hard reset)......................................................................................................... 92
Chapter 6: Getting help and contacting Dell................................................................................ 93
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