After purchase of new Acer Aspire after  10 days the sound card went out NO volume talked  to Aces tech no support LOTS of Were Sorry Sorry Sorry told me to go to factory reset to remove everything WITH NO GURANTEE IT WOULD HELP which it took me 3 days to do a new install. difficult to understand poor support DO NOT EVER BUY THIS PIECE OF JUNK THAT LASTED 10 DAYS MADE IN Thailand  Save your money and buy another computer I will probably buy a new sound card as they will not send me one.I learned my lesson  Robert