Want to restore my Acer aspire 4720z!

Ok so i have an Acer aspire 4720z. I want to restore to factory settings. I have done this a few times, then suddenly it stopped working! I have read and read for a week and i have come to the end of the line and beg for help. The alt+f10 dont work nor does and f +numbers. I still have the pqservice partition thingy. I have not system restore points, as i have deleted them trying to do the factory restore thing. I tried re installing empowering technoligies, still dont work. i enabled d2d in the bios. any help for me??? wifi not detected