It took about a minute to open up the start menu when I opened the Task Manager, my disk 1 (C:) is at 100% utilization.
When I load into Windows, I could move the mouse, but nothing else was responsive. See a Windows 10 user thread from : Q: Disk Usage at 100% on Windows 10 Recently, more and more Windows 10 users report that they have come across 100 disk usage Windows 10 issue and they are seeking for a way to lower disk usage.