[REQUEST] Lenovo Z510 Whitelist Removal

Hi,
I've got "unauthorized network card is plugged in " problem on my Lenovo z510 trying to replaced basic [Intel Wireless N7260] to [Intel Dual Band Wireless AC 7260] cause of 5GHz band I need so badly. I've searched the whole internet and I found out that some people have done it. You guys are Pro, please help me.

Lenovo Z510
1. Intel Wireless-N 7260
2. Intel Dual Band Wireless AC 7260
Windows 8.1 PRO
Insyde BIOS /ACPI 2.0
VER.: 8DCN39WW
my BIOS backup: http://www3.zippyshare.com/v/69735692/file.html