Dell Inspiron 5391 Service Manual - Page 5

Clearing BIOS System Setup and System passwords, Enhanced Pre-Boot System Assessment ePSA diagnostics

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Entering BIOS setup program...66 Navigation keys...66 Boot Sequence...67 System setup options...67 Clearing CMOS settings...75 Clearing BIOS (System Setup) and System passwords 75 5 Troubleshooting...76 Enhanced Pre-Boot System Assessment (ePSA) diagnostics 76 Running the ePSA diagnostics...76 System diagnostic lights...76 Diagnostics...77 M-BIST...78 LCD Built-In Self-Test (BIST)...78 Recovering the operating system...78 Flashing BIOS (USB key)...79 Flashing the BIOS...79 Flea power release...79 Wi-Fi power cycle...80 6 Getting help and contacting Dell 81 Contents 5

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Entering BIOS setup program
............................................................................................................................................
66
Navigation keys
....................................................................................................................................................................
66
Boot Sequence
.....................................................................................................................................................................
67
System setup options
.........................................................................................................................................................
67
Clearing CMOS settings
.....................................................................................................................................................
75
Clearing BIOS (System Setup) and System passwords
.................................................................................................
75
5 Troubleshooting
.........................................................................................................................
76
Enhanced Pre-Boot System Assessment (ePSA) diagnostics
......................................................................................
76
Running the ePSA diagnostics
.....................................................................................................................................
76
System diagnostic lights
.....................................................................................................................................................
76
Diagnostics
............................................................................................................................................................................
77
M-BIST
............................................................................................................................................................................
78
LCD Built-In Self-Test (BIST)
......................................................................................................................................
78
Recovering the operating system
......................................................................................................................................
78
Flashing BIOS (USB key)
....................................................................................................................................................
79
Flashing the BIOS
................................................................................................................................................................
79
Flea power release
...............................................................................................................................................................
79
Wi-Fi power cycle
................................................................................................................................................................
80
6 Getting help and contacting Dell
..................................................................................................
81
Contents
5