Dell Vostro 5501 Service Manual page 5

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
6 Troubleshooting......................................................................................................................... 81
Built-in self-test (BIST)....................................................................................................................................................... 81
System board built-in self-test (M-BIST)......................................................................................................................... 81
Display panel power rail built-in self-test (L-BIST)......................................................................................................... 82
Display panel built-in self-test (LCD-BIST)...................................................................................................................... 82
Outcome............................................................................................................................................................................... 83
SupportAssist diagnostics.................................................................................................................................................. 83
Running the SupportAssist diagnostics............................................................................................................................ 83
System diagnostic lights..................................................................................................................................................... 83
Recovering the operating system..................................................................................................................................... 85
Flashing the BIOS................................................................................................................................................................ 85
Flashing BIOS (USB key)....................................................................................................................................................85
Backup media and recovery options................................................................................................................................. 85
WiFi power cycle................................................................................................................................................................. 86
7 Getting help............................................................................................................................... 87
Contacting Dell.....................................................................................................................................................................87
Contents 5