Dell OptiPlex 7090 Small Form Factor Service Manual page 5

Updating the BIOS in Windows................................................................................................................................82
Updating the BIOS in Linux and Ubuntu................................................................................................................ 83
Updating the BIOS using the USB drive in Windows..........................................................................................83
Updating the BIOS from the F12 One-Time boot menu.....................................................................................83
System and setup password...........................................................................................................................................84
Assigning a system setup password....................................................................................................................... 84
Deleting or changing an existing system setup password.................................................................................85
Chapter 5: Troubleshooting.........................................................................................................86
SupportAssist diagnostics............................................................................................................................................... 86
Diagnostic LED behavior..................................................................................................................................................86
Recovering the operating system..................................................................................................................................87
Flashing the BIOS..............................................................................................................................................................88
Flashing BIOS (USB key).................................................................................................................................................88
Backup media and recovery options.............................................................................................................................88
WiFi power cycle............................................................................................................................................................... 88
Drain residual flea power (perform hard reset)......................................................................................................... 89
Chapter 6: Getting help and contacting Dell................................................................................ 90
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