Sd card error on my hero 8. After a long time formatting camera shuts down. So Won’t work

[davidf72507]

Have tried to format card on my iMac also, but camera won't accept it. Just keep getting card error. Card works fine in other devices.

[aenriquez]

@davidf72507, there are some suggested troubleshooting steps here that will help: NO SD or SD ERR on Camera's LCD

[fishycomics]

format the card in the other device then full format on a computer,

[davidf72507]

Thanks, It turned out that the Sandisk Extreme Pro 128gb card was the problem. Now have Sandisk Extreme and all is well. May well be a card fault.