Acer Aspire V3-571G with GT630m

Motherboard Manufacturer and Model : Aspire V3-571G
-Bios Revision : 2.15 (was 2.08)
-Bios Type : Insyde Bios
-Bios SLIC: v2.1
-Bios Link : http://global-download.acer.com/GDFiles/...SC=EMEA_27

Issues
I ripped out the win 8 install that came with the laptop with gparted and then installed win7 pro.
I am not sure if this will work as I am booting using Legacy.

I want to be able access additional bios options. Any advice or a modded bios would be great.

Thanks 8-)