My card appears to be faulty, It has not worked since purchase. I am not PC competent therefore I rung my nephew who is, he talked me through various checks over the phone and it appeared that the card capacity was not correct. I phoned your company and spoke to Paul who was very helpful and assured it was very unlikely that card would be at fault and suggested that I spoke to Next Base about my Dash Cam operation. I looked up on web site for their tel no and the number listed does not answer or is permanently engaged. Therefore I am no better off regarding problem I have two other cards that work perfectly okay on my Camera and when put in card reader in PC. When card is put in card reader on PC comes up with Error faults : File reading failed. Your input can't be opened