Hi
You can replace the Fan only, but first it should be verified in order to see if there is any block by dust. Also get the advice of your vendor in order to avoid lose the warranty if it is opened or if they could sell the piece or replace it.
Hope it is useful
:-)
>> Marcar como útil o contestado, si la respuesta resolvió la duda, esto ayuda a futuras consultas de otros miembros de la comunidad. <<