Updating your system BIOS using a USB flash drive
About this task
If the system cannot load into Windows, but there is still a need to update the BIOS, download the BIOS file using another
system and save it to a bootable USB Flash Drive.
NOTE:
You will need to use a bootable USB flash drive. Please refer to the following article for further details
Create a Bootable USB Flash Drive using Dell Diagnostic Deployment Package (DDDP)
Steps
1. Download the BIOS update .EXE file to another system.
2. Copy the file e.g. O9010A12.EXE onto the bootable USB flash drive.
3. Insert the USB flash drive into the system that requires the BIOS update.
4. Restart the system and press F12 when the Dell splash logo appears to display the One Time Boot Menu.
5. Using arrow keys, select
USB Storage Device
and click
Enter
.
6. The system will boot to a Diag C:\> prompt.
7. Run the file by typing the full filename, for example, O9010A12.exe and press
Enter
.
8. The BIOS Update Utility will load. Follow the instructions on screen.
Figure 1. DOS BIOS Update Screen
Drain residual flea power (perform hard reset)
About this task
Flea power is the residual static electricity that remains in the computer even after it has been powered off and the battery is
removed.
For your safety, and to protect the sensitive electronic components in your computer, you are requested to drain residual flea
power before removing or replacing any components in your computer.
Draining residual flea power, also known as a performing a "hard reset", is also a common troubleshooting step if your computer
does not power on or boot into the operating system.
To drain residual flea power (perform a hard reset)
Troubleshooting
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