On my dads (acer espire x1700) just stopped responding last night....just froze. Anything he has problems with, i always fix it with no prob...however i cant fix this. now he had AVG, on his pc..and i know hes always on there and just keeps clicking from site to site...so i know there viruses on there..anyways, i restarted it and within 2 min. same thing (freezes) after 7 restarts. Now i did a system restore (factory settings) same thing...I cant figure this out..plz help.