System logs
....................................................................................................................................................................
74
Updating the BIOS in Windows
........................................................................................................................................
75
Updating BIOS on systems with BitLocker enabled
..................................................................................................
75
Updating the Dell BIOS in Linux and Ubuntu environments
.....................................................................................
76
Flashing the BIOS from the F12 One-Time boot menu
.............................................................................................
76
System and setup password
..............................................................................................................................................
79
Assigning a system setup password
............................................................................................................................
79
Deleting or changing an existing system setup password
........................................................................................
79
Chapter 6: Troubleshooting
............................................................................................................
81
Built-in self-test (BIST)
.......................................................................................................................................................
81
System board built-in self-test (M-BIST)
........................................................................................................................
82
Display panel power rail built-in self-test (L-BIST)
.........................................................................................................
82
Display panel built-in self-test (LCD-BIST)
......................................................................................................................
83
Outcome
...............................................................................................................................................................................
83
SupportAssist diagnostics
..................................................................................................................................................
83
Running the SupportAssist diagnostics
............................................................................................................................
84
System diagnostic lights
.....................................................................................................................................................
84
Recovering the operating system
.....................................................................................................................................
85
Flashing the BIOS
................................................................................................................................................................
85
Flashing BIOS (USB key)
....................................................................................................................................................
86
Backup media and recovery options
.................................................................................................................................
86
WiFi power cycle
.................................................................................................................................................................
86
Releasing Ethernet (RJ-45) cable
.....................................................................................................................................
86
Chapter 7: Getting help
.................................................................................................................
88
Contacting Dell
....................................................................................................................................................................
88
Contents
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