: Insert the programmer tool into your diagnostic computer's USB drive. Open your programming software and click Detect . If the chip model name doesn't pop up immediately, re-seat your clip alignment.
Once your firmware is working cleanly, you can easily access the setup menu to configure legacy parameters: davm9nmb6d0 rev d bios
In the One-Time Boot Menu, select BIOS Flash Update . : Insert the programmer tool into your diagnostic
Remove the laptop battery and disconnect the AC power adapter. davm9nmb6d0 rev d bios
Turn on or restart the device. Immediately and repeatedly press the F2 key at the Dell logo screen.