product number is LM726AV
OS window 7 ultimate 64-bit service pack 1
I didn't install any new software, I did awindow update before all of this happen, I did restore to before the update and still have the problems,
fisrt I noticed my SD cardreader stopped working, I then updated the driver, but that didn't help, I did virus scan , none was found, I did a maleware scane, none was found