Dell Vostro 5502 Service Manual - Page 5

Troubleshooting, Getting help

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Virtualization support...76 Performance...76 System logs...77 Updating the BIOS in Windows ...77 Updating BIOS on systems with BitLocker enabled 78 Updating the Dell BIOS in Linux and Ubuntu environments 78 Flashing the BIOS from the F12 One-Time boot menu 78 System and setup password...83 Assigning a system setup password...84 Deleting or changing an existing system setup password 84 Chapter 6: Troubleshooting...85 Built-in self-test (BIST)...85 System board built-in self-test (M-BIST)...86 Display panel power rail built-in self-test (L-BIST 86 Display panel built-in self-test (LCD-BIST)...87 Outcome...87 SupportAssist diagnostics...87 Running the SupportAssist diagnostics...88 System diagnostic lights...88 Recovering the operating system...89 Flashing the BIOS...89 Flashing BIOS (USB key)...90 Backup media and recovery options...90 WiFi power cycle...90 Releasing Ethernet (RJ-45) cable...91 Chapter 7: Getting help...92 Contacting Dell...92 Contents 5

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Virtualization support
..................................................................................................................................................
76
Performance
.................................................................................................................................................................
76
System logs
...................................................................................................................................................................
77
Updating the BIOS in Windows
.....................................................................................................................................
77
Updating BIOS on systems with BitLocker enabled
............................................................................................
78
Updating the Dell BIOS in Linux and Ubuntu environments
..............................................................................
78
Flashing the BIOS from the F12 One-Time boot menu
......................................................................................
78
System and setup password
...........................................................................................................................................
83
Assigning a system setup password
.......................................................................................................................
84
Deleting or changing an existing system setup password
.................................................................................
84
Chapter 6: Troubleshooting
.........................................................................................................
85
Built-in self-test (BIST)
...................................................................................................................................................
85
System board built-in self-test (M-BIST)
...................................................................................................................
86
Display panel power rail built-in self-test (L-BIST)
...................................................................................................
86
Display panel built-in self-test (LCD-BIST)
.................................................................................................................
87
Outcome
..............................................................................................................................................................................
87
SupportAssist diagnostics
...............................................................................................................................................
87
Running the SupportAssist diagnostics
.......................................................................................................................
88
System diagnostic lights
..................................................................................................................................................
88
Recovering the operating system
.................................................................................................................................
89
Flashing the BIOS
..............................................................................................................................................................
89
Flashing BIOS (USB key)
.................................................................................................................................................
90
Backup media and recovery options
.............................................................................................................................
90
WiFi power cycle
...............................................................................................................................................................
90
Releasing Ethernet (RJ-45) cable
.................................................................................................................................
91
Chapter 7: Getting help
...............................................................................................................
92
Contacting Dell
..................................................................................................................................................................
92
Contents
5