samething happened to me
it just stopped working one day
tried reinstall driver few times.. no go..
not a big deal.. so i used USB to my phones, camera, and PDA
i had to reinstall windows, so i did
it works now
but one thing..
whenever i install this 9291, LCD did not display anything from 'welcome' screen first 2~3 times when i reboot
had to use windows key and 'u' 'u' to turn off my laptop on black screen
other than that.. nothing so...