You do not say the make or model of your mixer - it may be possible for a confident person to repair it but a professional repair might not be cost effective - you would do well to resign yourself to having to buy a new one - unless you know a handyman with time on his hands.
Good Luck...
October 2016
Automatic Answer
We may have found other answers which could help you.
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix blenders/mixers.