When there are unexpected shutdowns and restarts they may or may not create dump files.
Steps can be made to increase the likelihood of creating dump files.
These were BSOD that failed to create dump files:
Code:
Event[16]:
Log Name: System
Source: volmgr
Date: 2020-01-25T19:42:43.745
Event ID: 46
Task: N/A
Level: Error
Opcode: N/A
Keyword: Classic
User: N/A
User Name: N/A
Computer: user-PC
Description:
Crash dump initialization failed!
Code:
Event[102]:
Log Name: System
Source: volmgr
Date: 2020-01-25T19:50:12.698
Event ID: 46
Task: N/A
Level: Error
Opcode: N/A
Keyword: Classic
User: N/A
User Name: N/A
Computer: user-PC
Description:
Crash dump initialization failed!
Code:
Event[210]:
Log Name: System
Source: volmgr
Date: 2020-01-26T13:25:45.261
Event ID: 46
Task: N/A
Level: Error
Opcode: N/A
Keyword: Classic
User: N/A
User Name: N/A
Computer: user-PC
Description:
Crash dump initialization failed!
Code:
Event[7832]:
Log Name: System
Source: volmgr
Date: 2020-02-16T22:47:39.667
Event ID: 46
Task: N/A
Level: Error
Opcode: N/A
Keyword: Classic
User: N/A
User Name: N/A
Computer: user-PC
Description:
Crash dump initialization failed!
These were also displayed in the logs:
Code:
Event[2464]:
Log Name: System
Source: Microsoft-Windows-Kernel-Power
Date: 2020-01-30T01:23:04.516
Event ID: 41
Task: N/A
Level: Critical
Opcode: Info
Keyword: N/A
User: S-1-5-18
User Name: NT AUTHORITY\SYSTEM
Computer: user-PC
Description:
The system has rebooted without cleanly shutting down first. This error could be caused if the system stopped responding, crashed, or lost power unexpectedly.
Code:
Event[9640]:
Log Name: System
Source: Microsoft-Windows-Kernel-Power
Date: 2020-02-24T03:43:01.895
Event ID: 41
Task: N/A
Level: Critical
Opcode: Info
Keyword: N/A
User: S-1-5-18
User Name: NT AUTHORITY\SYSTEM
Computer: user-PC
Description:
The system has rebooted without cleanly shutting down first. This error could be caused if the system stopped responding, crashed, or lost power unexpectedly.
Code:
Event[2452]:
Log Name: System
Source: EventLog
Date: 2020-01-30T01:23:25.278
Event ID: 6008
Task: N/A
Level: Error
Opcode: N/A
Keyword: Classic
User: N/A
User Name: N/A
Computer: user-PC
Description:
The previous system shutdown at 1:20:16 AM on ?1/?30/?2020 was unexpected.