Hey guys I have a big problem ; I changed my primary video settings from bios after black screen of course. I downloaded y580 bios mod from here for use restore bios. I changed rom name and fn+r and flashed bip sound finished but didn't restart still I waited some after I shut it off. I wanted try again but laptop bricked I press to power button but no reaction. I think bios rom has a problem.. So what can I do?