Dell OptiPlex 7090 Service Manual page 5

Updating BIOS on systems with BitLocker enabled............................................................................................83
Updating your system BIOS using a USB flash drive..........................................................................................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
Dell SupportAssist Pre-boot System Performance Check diagnostics................................................................86
Running the SupportAssist Pre-Boot System Performance Check................................................................86
System diagnostic lights..................................................................................................................................................86
Real-Time Clock (RTC Reset)........................................................................................................................................88
Flashing the BIOS..............................................................................................................................................................88
Flashing BIOS (USB key).................................................................................................................................................89
WiFi power cycle............................................................................................................................................................... 89
Chapter 6: Getting help and contacting Dell................................................................................ 90
Contents 5