Here are the results from "reg query HKLM\SOFTWARE\Microsoft\chkdsk /s":
Microsoft Windows [Version 10.0.19044.1889]
(c) Microsoft Corporation. All rights reserved.
C:\WINDOWS\system32>reg query HKLM\SOFTWARE\Microsoft\chkdsk /s
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\chkdsk\Scan
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\chkdsk\Verify
Did the "fsutil dirty set C:" and chkdsk did start after a reboot...got the scanning and repairing drive (c:) for a few seconds... but no chkdsk messages.