Canon Community

I got an EOS Rebel T7 last year at Target. I tried to register it online but I keep getting this message:"The serial number you have entered is invalid for one or more of the following reasons:1) The serial number does not match the product you have ...

I took my SD card out of my camera to upload some photos to my laptop. Now that I've reinserted the same SD card — one I've had no issues with — my camera (Canon EOS Rebel T7) is saying it cannot read the SD card. I'm not sure what to do as there is ...