Dell OptiPlex 3090 Small Form Factor Service Manual page 5

Wireless options...........................................................................................................................................................75
Maintenance................................................................................................................................................................. 75
System logs...................................................................................................................................................................76
Advanced configuration............................................................................................................................................. 76
SupportAssist System Resolution............................................................................................................................76
Updating the BIOS............................................................................................................................................................ 76
Updating the BIOS in Windows................................................................................................................................ 76
Updating the BIOS in Linux and Ubuntu................................................................................................................ 77
Updating the BIOS using the USB drive in Windows.......................................................................................... 77
Updating the BIOS from the F12 One-Time boot menu..................................................................................... 77
System and setup password...........................................................................................................................................78
Assigning a system setup password....................................................................................................................... 78
Deleting or changing an existing system setup password................................................................................. 79
Clearing BIOS (System Setup) and System passwords...........................................................................................79
Chapter 5: Troubleshooting.........................................................................................................80
Dell SupportAssist Pre-boot System Performance Check diagnostics................................................................80
Running the SupportAssist Pre-Boot System Performance Check................................................................80
Diagnostics..........................................................................................................................................................................80
Recovering the operating system................................................................................................................................. 82
WiFi power cycle............................................................................................................................................................... 83
Flea power release............................................................................................................................................................ 83
Real Time Clock-RTC reset......................................................................................................................................... 83
Chapter 6: Getting help and contacting Dell................................................................................ 85
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