It has been 4 months since they did the product advisory fix for the mirror box lubrication- the sensor was nice and clean for about 3 months, then the typical spots began showing up again all over the sensor making shots with sky in them a nightmare to 'fix' via spot removal-
Yes, using same batteries- both are fully charged- but nothing happens when I turn camera on- no life in the camera at all.
And the two batteries are originals from Canon? Have you calibrated them?
Does sound very unusual. Did you buy the camera new, second hand? Grey market?