1. How to Update S210 BIOS/EC

2. Update 80CN15WW.exe under DOS
Step1: Make sure AC and DC is present. And capacity of DC is more than 30%.
Step2: Prepare a USB key and make sure the USB key is available for DOS boot . Copy 80CN15WW.exe to the root directory of USB key.
Step3: Plug the USB key to USB port and power on the system. Before the logo of “Lenovo” pop up on the screen, press the Key “Fn+F2” to enter BIOS setup.

3. Update 80CN15WW.exe under DOS
Step4: Select Boot form and change boot mode item from UEFI to Legacy Support.

4. Update 80CN15WW.exe under DOS
Step5: Press Fn+F10 to save and exit.

5. Update 80CN15WW.exe under DOS
Step6: Before the logo of “Lenovo” pop up on the screen, press the Key “Fn+F12” to enter Boot Manager. Select USB key device and boot to DOS.

6. Update 80CN15WW.exe under DOS
Step 7: Run 80CN15WW.exe. The system will reboot automatically and begin to update. After the update process finished, The system will reboot automatically.

7. Update 80CN15WW.exe under DOS
Step8: Before the logo of “Lenovo” pop up on the screen, press the Key “Fn+F2” to enter BIOS setup again.
Step9: Select Boot form and change boot mode item from Legacy Support to UEFI. (Similar as Step4)
Step10: Press Fn+F10 to save and exit. (Similar as Step5)

8. Update 80CN15WW.exe under Windows 8
Step1: Make sure AC and DC is present. And capacity of DC is more than 30%.
Step2: Copy 80CN15WW.exe to the root directory of USB key.

9. Update 80CN15WW.exe under Windows 8
Step3: Boot system to Windows 8 and enter desktop metro.

10. Update 80CN15WW.exe under Windows 8
Step4: Plug the USB key to USB port and find the USB key. Right click 80CN15WW.exe and select “run as administrator”.

11. Update 80CN15WW.exe under Windows 8
Step5:The system will pop up the prompt box as below picture. Please click OK button. The system will reboot automatically and will update BIOS/EC during boot stage.

12. Update 80CN15WW.exe under Windows 8
Step6: The system is updating BIOS/EC. Please don’t do anything until the update process finished. After that, the system will reboot automatically.