Unable to access BIOS (F2) after installed Windows 10 Technical Preview

Acer Aspire V3-471G  – After trying out Windows 10 Technical Preview, i wanted to installed Windows 7. But System doesn’t response to F2 key at boot for me to change the boot sequence (to boot to DVD drive).

Windows 8 and Windows 10 using UEFI instead of BIOS.
1) In Windows, click on Windows key and type advanced settings and press enter

2) Click on Restart now button at the Advanced startup
System reboot.

3) Click on Troubleshoot

4) Click on Advanced options

5) Click on Startup Settings

6) Click on Restart button

7) System reboot.
Now i am able to press F2 to access BIOS.

Above steps also workable for Windows 8.

What is UEFI? – http://windows.microsoft.com/en-US/windows-8/what-uefi


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