#Dell optiplex 780 cpu fan failure fix jump way

 I replace the fan in it and everything's been fine until the past week the fan speeds up and now says the fan failure whenever I boot it up what can I do about this

                                                      Solution

የበለጠ ለመረዳትና ረፈር ለማድረግ ከስር ያሉትን ይመልከቱ

Dell Fan WIRING

                                               Dell Fan Connector

                                                  Dell Fan Conversion