@roberto1979 it makes more sense to update to Raspbian Stretch. Besides all the obvious advantages the newer Systemd service for managing all your services makes life a lot easier.
I have no doubt you could repair your HG Wheezy install but do you want to be running your system on an old Linux distribution.
It might be worth using something like Pi Clone to image your system for easy restore.
Did you have your Wheezy install on an SD card before you moved to the PI Drive