is my xbox 360 messed up

[gcuthbert76]

up untill last night when i get a achievament it makes the noise and pops up now for some reason they dont pop up now with the sound but when i go to the dashboard there are there is there anyway i can get them popping up again

[kill_bill]

Delete your profile and then recover it from xbox live (as long as you can remember your email / password for it of course)