topic Re: Canon 77D randomly stops working in EOS DSLR & Mirrorless Cameras

Canon 77D randomly stops working

PicThis — Mon, 15 May 2023 16:52:00 GMT

Hello -

I have been using my EOS 77D mostly for sports for the last three years. The camera began to stop functioning while taking pictures. I have read about cleaning the contacts on both body and lens and keeping a fully charged battery but that does not resolve the problem permanently. During a shooting session, I have to remove the battery and re-insert it. That usually helps, for a short while. Also, when I remove the battery without turning the camera off first, the LCD screen still stays lit. I have only gotten two error messages in the three years and I do not remember the error code. I recall it being something related to "not reading the lens".
Does anyone have suggestions as to what is causing this issue and how to resolve it?

Re: Canon 77D randomly stops working

BurnUnit — Mon, 15 May 2023 19:38:34 GMT

Are you using a genuine Canon or a third-party battery or battery grip? Do you use a full-size SD card or a micro SD card with an adapter? Have you formatted the SD card recently, in the camera? Have you tried using a different battery, SD card or lens on the camera? Have you done a full reset on the camera?

Re: Canon 77D randomly stops working

PicThis — Tue, 16 May 2023 17:51:14 GMT

Yes genuine Canon batteries and lenses. Full size SD.

I need to try a format from the camera and a full reset. How is a full reset done?

Re: Canon 77D randomly stops working

BurnUnit — Wed, 17 May 2023 05:14:01 GMT

Check page 156 of your user's manual, or click the following link to download a copy from the Canon website.

https://www.usa.canon.com/support/p/eos-77d