[REQUEST] LENOVO G580-2689 whitelist removal

Hi I'd like to remove whitelist from lenovo g580.

I would like intel wireless ac 7260 to work please.

Model: LENOVO G580-2689
version of BIOS: 62CN97WW(V97)
link to the original BIOS: http://download.lenovo.com/consumer/mobi...7ww_64.exe
backup of BIOS: none - do I have to make a backup now. And plus doint know how to make a backup

If I need to make a backup are there any instructions on how to do it on an lenovo g580 2689.