Comment 26 for bug 200451

I am also having sound trouble i get sound when I log in but no sound once i am logged on i am using a Toshiba A200 laptop I just installed Ubuntu for the first time so i am a noob , i am getting this error code when i try testing the sound on the sound window:

audiotestsrc wave=sine freq=512 ! audioconvert ! audioresample ! gconfaudiosink: Failed to connect stream: Invalid argument

if you know how to fix this please reply

~Bob