https://community.arlo.com/t5/Arlo-Pro-3/Connected-a-1TB-Fat32-formatted-USB-drive-to-the-hub-It-says-I/m-p/1775514#M2998 <P>My guess is that there's a hidden first partition on the drive. Use a utility to remove ALL partitions first and then format the whole drive a FAT32.</P> <P>&nbsp;</P> <P>I'd also suggest a thumb drive instead of a hard drive since it's much smaller and easier to place and remove as needed. A 32-64GB thumb drive is likely all you need for a a long time.</P> Tue, 02 Jun 2020 14:24:31 GMT jguerdat 2020-06-02T14:24:31Z https://community.arlo.com/t5/Arlo-Pro-3/Connected-a-1TB-Fat32-formatted-USB-drive-to-the-hub-It-says-I/m-p/1775416#M2990 <P>Firmware is up to date. &nbsp;Drive has been formatted as FAT32m on a Mac.</P> Tue, 02 Jun 2020 00:10:45 GMT https://community.arlo.com/t5/Arlo-Pro-3/Connected-a-1TB-Fat32-formatted-USB-drive-to-the-hub-It-says-I/m-p/1775416#M2990 BigBad 2020-06-02T00:10:45Z https://community.arlo.com/t5/Arlo-Pro-3/Connected-a-1TB-Fat32-formatted-USB-drive-to-the-hub-It-says-I/m-p/1775514#M2998 <P>My guess is that there's a hidden first partition on the drive. Use a utility to remove ALL partitions first and then format the whole drive a FAT32.</P> <P>&nbsp;</P> <P>I'd also suggest a thumb drive instead of a hard drive since it's much smaller and easier to place and remove as needed. A 32-64GB thumb drive is likely all you need for a a long time.</P> Tue, 02 Jun 2020 14:24:31 GMT https://community.arlo.com/t5/Arlo-Pro-3/Connected-a-1TB-Fat32-formatted-USB-drive-to-the-hub-It-says-I/m-p/1775514#M2998 jguerdat 2020-06-02T14:24:31Z