Chosen Solution

the activity flashes but never becomes accessible to windows 10

  1. Right click “PC (or My Computer)” and select “Manage”.
  2. Go to “Disk Management” See if it shows up there. If so, make sure it has a drive letter assigned to it. If it does not show up or you cannot assign a drive letter, try another USB port or another computer. If none of these resolve your issue, the Passport is non recoverable.