Someone much smarter than me has some great advice for you. Please listen to SQL MVP Paul Randal when he says RTFM. No seriously, R.T.F.M. Then ask your question.
In Recovery… | RTFM. No seriously, R.T.F.M. Then ask your question.
Archived post from 2011. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.