Basically, the AE suddenly stops working and won't turn on anymore.
A quick review of the serial numbers of defective AE showed no clue whatsoever.
Une première étude des numéros de séries ne nous permet pas d'y trouver un quelconque signe de série défectueuse.
If the problem does happen during the standard Applecare period, it seems it is more common on the 13th month...
One of our readers (Dieru), managed to resurrect his AE by opening it and replacing the fuse. Here is a picture of the culprit:
This is a 500mA 250V fuse, located under the adhesive tape (which can be yellow or blue). If you try and replace it, be careful to use a fuse with similar characteristics and when you turn the AE back on, do it from a distance to avoid any electrical shock risk.
Do notice that some other readers replaced the fuse without managing to make the AE work again. And one even managed to get it to work on batteries :)
Everything points to faulty power supplies [this becoming a trademark for Apple.]
Will we have to wait for a class action for Apple to start an extended repair program?
