WARNING!!!!!! THIS FLOW CHART IS NOT TO NE USED IN PLACE OF DSN, ITS ONLY TO BE USED AS A HELPFUL GUIDE TO TROUBLESHOOT WHEN DSN IS DOWN, IN NO WAY WILL THIS GIVE YOU AN APPROVAL FOR PART REPLACEMENT BUT IT MAY HELP YOU TO UNDERSTAND HOW TO FIX THE ISSUE AT HAND. ENJOY AND USE IT WISELY!!