Note: These directions should only be performed by a professional. Make sure to have your AC adapter connected to ensure no loss of power during flashing. Flashing the BIOS has the potential to result in irreparable damage to your system if not performed correctly. Flashing using these directions is at your own risk.
Step 1:
Down the Adelie BIOS.
Step 2:
Identify flash drive to write bootable freedos image to containing BIOS image
sudo fdisk -l
Step 3:
Extract image using archive manager or similar program
Step 4:
cd to the folder containing your extract image and use dd to write to a flash drive.
sudo dd if=FreeDOS-1.1-memstick-2-2048M.img of=/dev/sdX
Replace sdX with whatever your flash drive is (see output from fdisk -l above)
Step 5:
On startup enter BIOS (F2)
Step 6:
Disable UEFI
Step 7:
Save and reboot
Step 8:
On reboot bring up boot menu (F7)
Step 9:
Select flash drive
Step 10:
Select load freedos without drivers from Freedos menu
Step 11:
Hit enter twice when prompted for date/time.. setting the date/time does not matter for flashing
Step 12:
Enter the command to get into the all directory:
cd all
Step 13:
run flashme.bat command (system will shut down when done):
flashme.bat
Step 14:
Unplug the AC for 5-10 seconds
Step 15:
Power on the system and let it reboot once
Step 16:
Go into the BIOS (F2) and load the defaults
Step 17:
Disable UEFI again and select load freedos without drivers
Step 18:
Run ecflash.bat in ec folder