T4i camera completely locking up in the ON position?

[bigguy841]

I have had my Canon T4i for about 4 months now, use ita few times a week as a hobby. Every couple weeks I will turn on the camera and adjust the Ap/Sh/ISO settings to prepare for a shoot and the camera will just freeze or lock up in the spot. None of the buttons or dials trigger any sort of response from the camera and I am not able to take a picture or do anything. Even turning th camera to the 'OFF' position does nothing and the camera remains on with the LCD still lit up but not responding. The only way I am able to get the camera working again is to remove the battery and then put it back in and power it up, at which point it usually works normally. The only time I've had this happen more than once in a day was over Thanksgiving when it happened about 3-4 times throughout the day.

I contacted Canon support and was told to first try resetting the camera to default settings, which I did, and if that doesn't work to remove the battery and memory cards and using a pencil eraser to clean off the contact surfaces of those items, which I have not done yet. If it continues to happen, I am supposed to send it in to let them inspect it and decide if if needs repair or replacement. Since it seems random and spread out, it's hard to say whether it's 'fixed' since it did it last week before I re-set the settings.

Has anyone had this problem? If so, did you do either of those methods to solve it? If you sent it in, were they able to determine the problem and handle it? I don't want to send it in and be without my camera for weeks only for them to tell me it worked fine for them and there is no problem, since it works fine 98% of the time as of now.

Any help would be great!

[bmw4ever]

I am on vacation - first day of vacation - and my Canon Rebel T4i froze completely. None of the buttons respond and when I connect the camera to my laptop, the camera is not recognized.

I tried taking out the card and battery and restarting it. Nothing works.

Please help!

I called the support line and they are closed on the weekends.

[bmw4ever]

Downloading a software update doesn't help when my camera is not responding to anything.

Please help!

[Moderator Note:  Removed email address per forum guidelines]

[junenward]

I guess I was fortunate as removing the battery and re-installing fixed it for me.  One other possibility may be to remove the lense and then remove the batter and re-install it again.  I had noticed earlier that my red light flashes on me with lense changes.  Probably not related but worth a try since removing the battery didn't work by itself.

[bobakman]

I would recommend updating your firmware, see below.

http://usa.canon.com/cusa/support/consumer?pageKeyCode=prdAdvDetail&docId=0901e0248090cddd

[luxopancas]

I'm having a similar problem. Try switching OFF and ON quickly, but dont so quickly. Turn it off and before the screen turns off, return to ON again. It works for me, but at each picture I take, the camera lock up again. What I do to can, at least, take some pictures, is change the Custom Function 6 (Shutter/AE lock button) to option 1:AE lock/AF and then I can focus using the AE lock button (*).

[kidkold]

I have that same exact issue.

[bobakman]

Have you the latest firmware update? If so I would recommend calling Canons customer support and begin the process of having your camera issue corrected, particularly if it is still under warranty. if it is not under the factory warranty and you purchased it with a major credit card you may have an extra year warranty through your credit card company. I have a VISA and when my SD1000 Point and shoot failed a week after my factory warranty expired I simply registered it with VISA sent it in to Canon for repair. I paid the bill and sent VISA the reciept and was reimuursed the full cost of the repair.

Bob

[kidkold]

Hmm I dont believe I do how can I go about updating it to see if that resolves the issue?

[bobakman]

Go here and follow the directions. Hope it works.
http://usa.canon.com/cusa/support/consumer?pageKeyCode=prdAdvDetail&docId=0901e0248090cddd

[kidkold]

I updated it but sadly no luck, I shall try contacting them like you mentioned to resolve the issue and see what can be done