After selecting Line Out in preferences the next boot sends sound to internal speaker

Question

How can I get Line Out to to stay as default audio out preference?

Answer 1

I have a very similar problem that occurs to my computer where I will return to my computer after it has gone to sleep, and sound controls do not work. All systems tones come from the internal speaker, as well. After doing a Google search, I came up with an AppleScript to make it change to the internal speaker, then go back to the line out. The script works with the default listings in the sound preferences panel, but you should be able to change it to whatever is listed in your Sound preferences pretty easily. To do it, go to Applications, Utilities, AppleScript Editor. Once there, paste in the code below into the top box. Then do a file, save as. I would change the File Format to Application and save it on your desktop. You could create then a shortcut in your dock to launch it whenever sound is not working right. The script follows this (copy it all from the first tell to the quit):
tell application "System Preferences" to activate
tell application "System Events"
get properties
tell process "System Preferences"
click menu item "Sound" of menu "View" of menu bar 1
delay 2
set theRows to every row of table 1 of scroll area 1 of ¬
tab group 1 of window "sound"
set theOutputs to {} as list
repeat with aRow in theRows
if (value of text field 1 of aRow as text) ¬
is equal to "Internal Speakers" then
set selected of aRow to true
exit repeat
end if
end repeat
end tell
end tell
tell application "System Events"
get properties
tell process "System Preferences"
click menu item "Sound" of menu "View" of menu bar 1
delay 2
set theRows to every row of table 1 of scroll area 1 of ¬
tab group 1 of window "sound"
set theOutputs to {} as list
repeat with aRow in theRows
if (value of text field 1 of aRow as text) ¬
is equal to "Line Out" then
set selected of aRow to true
exit repeat
end if
end repeat
end tell
end tell
tell application "System Preferences" to quit