Return of used data

It should have Unrecoverable error then, something should crash it.
Please search for it:

sls error "$env:ProgramFiles\Storj\Storage Node\storagenode.log" | sls "fatal|unrecoverable" | select -last 10

Your dashboard wouldn’t have correct values, until all “used-space-filewalker” would successfully finish the scan for all trusted satellites and would update the database without any errors.
If you do not have FATAL or Unrecoverable errors, then dashboard should be available.
If you have only filewalkers errors so far, then you need to disable the lazy mode,

save the config and restart the node.
The progress you may track on the debug port with method /mon/ps or by a Resources Monitor checking which folder in blobs is currently processing.