I've also used a blast of air a couple times to restore function but it only lasted for one use of the camera each time. The latest attempt with the air was unsuccessful. I see that you say it has restored function to your switch "several times" so I...
I am having the same problem with my Vixia HF-100. I contacted Canon Service and Repair and was told that since my camera was over 7 years old it is no longer supported but they would be happy to get me a good deal on a new camcorder. I only use this...
I have been having the same issue lately. I called Canon a couple days ago and was told that my VIxia is no longer supported so I don't even have th option of sending it in for service. The young service rep on the phone said that they would be happy...