It may have a extra partition on the Hard drive that contains the initial install OS. Any spyware or virus should not be able to access that. Not sure if Acer does that or not. My Sony Laptops did, if it does you can rebuild from that. Search the web, there will probably be a step by step guide for your particular model.
2014 VIPFFL Team
Dominick Cruz • Nate Diaz • Chad Mendes • Donald Cerrone • Tim Kennedy