If not my guess would be the replaced fan is causing a short circuit. Try to remove it and mount the original one back. If at this point the MacBook will boot, the guess was correct.
Réputation au fil du temps
Il semble que cet utilisateur n'a pas encore reçu de points de réputation.
Lorsqu'il en aura reçu, il pourra afficher un graphique de sa réputation au fil du temps.
Voici un aperçu de ce à quoi ressemble ce graphique :
Anyone found a solution here?
If not my guess would be the replaced fan is causing a short circuit. Try to remove it and mount the original one back. If at this point the MacBook will boot, the guess was correct.