Audio issues when changing from internal to external speakers

[bigpoppamac31]

So it seems I'm having a much delayed reaction when it comes to volume. When I plug in and unplug headphones or speakers through the audio input the volume icon in the menu bar greys out for up to a minute and I cannot change the volume level with the function keys. When I open the sound preference pane in System Prefs and use the function keys to change the volume level the slider in the prefs pane and the menu icon should slide back and forth but they don't. At least not for a long time. Eventually I can do it but in the mean time it's like I have three separate volume controls. I know it's not specific to my new rMBP cause I had this issue on my previous cMBP. Does anyone know of a resolution for this? Thanks.