When I try to power my camera, on grey smoke begins pouring out of the camera housing. My camera is not powering on when...

Recently all of the photos and videos I have taken with my GoPro Hero4 Silver have appeared distorted. There are regions...

Check to make sure there is available space on your memory card. If your memory card is full it will prevent you from being able to record videos. I would also check to make sure you are using a compatible SD card. All GoPro cameras require a minimum of a Class 10 SD card. Keep in mind that video files are very large, especially 4K video. A lot of memory will be required for longer videos. for more information check out the GoPro Here4 Silver's troubleshooting page.