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#41
Here is a tut on how to read the results of a chkdsk. It would be good if you could post the results here (a screenshot or two would be fine).
Chkdsk Log in Event Viewer - Read in Windows 10 - Windows 10 Forums
Depending on what your results were, we might want to run this again.
Differential backups are dependent on the parent backup. I don't know all that much about Macrium either. Here's a really good tut for you on the different types of backups it makes:
Macrium Reflect - Backup Restore - Windows 10 Forums
@DavidY has some suggestions, I hope he will be posting here shortly...