Hii Friend, Toshiba satellite is very old version computer. If you are using xp or windows 7 os, U have to install updated driver.. First uninstall ur audio driver and download from this link
http://www.csd.toshiba.com/cgi-bin/tais/support/jsp/home.jsp?nav=download
..
If you are using Linux OS -- Linux Mint.. it is good and gives all soft and drivers inbuilt. Or use this link.. May this help..
http://tuxmobil.org/sound_linux.html