formatting sd cards

Today I used the dashcam for the first time since autumn. I plugged it in and weirdly wasn't greeted with the usual startup noise and screen, but the lights were on. I unplugged it and plugged it back in, and then it did the normal startup, but I was then greeted by a message telling me to...

I recently got a A119 and when I try to view the sd card files on my PC, it doesn't show anything on the folder. Even though when I check the storage of the card, I see that a bit of space is being taken by something, presumably the video files but they are not visible. I have tried The SD card...

I have read mixed comments about the formatting of Micro SD cards on dash cams. Some critics say they should never be formatted, (outside the initial format) unless they are showing signs of going bad. Some say that the card should be formatted every month. Some even say it should be...