Dell Inspiron 5447

Please enter setup menu to load default setting manually after BIOS upgrade, if you're updating BIOS before A05.

Download
1. Click Download File, to download the file.
2. When the File Download window appears, click Save to save the file to your hard drive.

Run the BIOS/EC update utility from Windows environment
1. Browse to the location where you downloaded the file and double-click the new file.
2. Press "Yes" to confirm the BIOS/EC version you want to update and start BIOS/EC Update process.
3. After BIOS/EC update finished, press Yes and then system will shut down, then power on the system to take effect.
4. If only update BIOS, after BIOS update finished, press "Yes" and then system will restart to take effect

Run the BIOS/EC update utility from DOS environment, if Legacy Boot mode (Non-Windows users)
1. Copy the downloaded file to a bootable DOS USB key.
2. Power on the system, then Press F12 key and Select "USB Storage Device" and Boot to DOS prompt.
3. Run the file by typing copied file name where the executable is located.
4. After BIOS/EC update finished, press the power button to shut down, then power on the system to take effect.
5. If only update BIOS, after BIOS update finished, press "Yes" and then system will restart to take effect.

Run the BIOS update utility from DOS environment, if UEFI Boot mode with Load Legacy Option disabled (Non-Windows users)
1. Copy the downloaded file to a bootable DOS USB key.
2. Power on the system, then go to BIOS Setup by pressing F2 and go to "Boot > Boot Mode" Option
3. Change "UEFI" to"Legacy" Boot Mode
4. Go to "Exit > Save Changes and Reset" and then reboot system.
5. Press F12, then Select "USB Storage Device" and Boot to DOS prompt.
6. Run the file by typing copied file name where the executable is located.
7. After BIOS/EC update finished, press the power button to shut down, then power on the system to take effect.
8. If only update BIOS, after BIOS update finished, press Yes and then system will restart to take effect.
9. Go to BIOS Setup by pressing F2 and go to "Boot > Boot Mode" to change Boot Mode from "Legacy" to "UEFI".
10. Go to "Boot > Secure Boot Control" to change Secure Boot from "Disabled" to "Enabled".
11. Go to "Exit > Save Changes and Reset" and then reboot system.

Reboot will be required