Maintenance screen options........................................................................................................................................... 81
Updating the BIOS............................................................................................................................................................ 82
Updating the BIOS in Windows................................................................................................................................82
Updating the BIOS in Linux and Ubuntu................................................................................................................ 82
Updating the BIOS using the USB drive in Windows..........................................................................................82
Updating the BIOS from the F12 One-Time boot menu.....................................................................................83
System and setup password...........................................................................................................................................83
Assigning a system setup password....................................................................................................................... 84
Deleting or changing an existing system setup password.................................................................................84
Clearing CMOS settings.................................................................................................................................................. 84
Clearing BIOS (System Setup) and System passwords.......................................................................................... 85
Chapter 6: Software....................................................................................................................86
Operating system configurations.................................................................................................................................. 86
Drivers and downloads.....................................................................................................................................................86
Chapter 7: Troubleshooting......................................................................................................... 87
Handling swollen Lithium-ion batteries........................................................................................................................ 87
Enhanced Pre-Boot System Assessment ePSA diagnostics.................................................................................. 88
Running the ePSA Diagnostics.................................................................................................................................88
Built-in self-test (BIST)................................................................................................................................................... 89
M-BIST...........................................................................................................................................................................89
LCD Power rail test (L-BIST)................................................................................................................................... 89
LCD Built-in Self Test (BIST)................................................................................................................................... 90
System diagnostic lights..................................................................................................................................................90
Recovering the operating system.................................................................................................................................. 91
Real Time Clock reset....................................................................................................................................................... 91
Backup media and recovery options.............................................................................................................................92
WiFi power cycle............................................................................................................................................................... 92
Drain residual flea power (perform hard reset)......................................................................................................... 92
Chapter 8: Contacting Dell.......................................................................................................... 94
6
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