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improper formatting
incorrect file system or cache settings
use of drives on other file systems before recording (e.g. offloading media on a Mac)
formatting on a system other than Windows 7
improper removal of the drives after recording
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MBR volumes, partitioned on a Windows 7 or a newer system.
Formatted as NTFS or exFAT*
Formatted as a single volume
Freshly formatted before recording (especially if used with another system such as a Mac, or if improperly removed)
You should only use exFAT if you need to mount the drives on a Mac OS machine for offload. However, we strongly advise you to install NTFS read and possibly write capability.
If you are a Mac user, don’t panic. The Windows Explorer is very similar to Mac Finder. They both do exactly the same thing. The Windows Disk Management Console is similar to the Mac Disk Utility. They too do the same thing.
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