i bought a graphics card to make a outlay graphics card for my z480.but i have to remove the whitelist first.i tried it by myself but failed.who can help me?i need it very much.i am willing to donatethe site too.thank you very much.
my current bios:http://support.lenovo.com/us/en/products/laptops-and-netbooks/ideapad-z-series-laptops/ideapad-z480
my current bios:http://support.lenovo.com/us/en/products/laptops-and-netbooks/ideapad-z-series-laptops/ideapad-z480