Equalizer and enchancements are greyed out after 8.1 update

[avi701]

hi why did my equalizer stop working when i updated?

 

[roni09riku]

You need a compatible headset for that. Those options are disabled on my bluetooth headset but enabled when I use the stock headset that came with my 1520. After the update it works with the loudspeaker. If you're using a compatible headset, try soft reset.