Kernal Power Event 41, PC randomly restart without BSOD and warning.

So, my motherboard is MSI Z170 Gaming M5, I have tried to change the power setting with EuP2013 disable. And I tried to Chang the power balance setting, some settings in MSIafterburner(update: I uninstalled already); disable the rest audio drives. But non of them works. I have checked my Ram, one of my Ram was fault, I took out the fault one, restart PC, after like 10minuts, PC automatically restart again. Here is the event detail:

Log Name: System
Source: Microsoft-Windows-Kernel-Power
Date: 2/14/2016 12:51:36 AM
Event ID: 41
Task Category: (63)
Level: Critical
Keywords: (2)
User: SYSTEM
Computer: Jeffrey-Lin-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.
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
<System>
<Provider Name="Microsoft-Windows-Kernel-Power" Guid="{331C3B3A-2005-44C2-AC5E-77220C37D6B4}" />
<EventID>41</EventID>
<Version>2</Version>
<Level>1</Level>
<Task>63</Task>
<Opcode>0</Opcode>
<Keywords>0x8000000000000002</Keywords>
<TimeCreated SystemTime="2016-02-14T05:51:36.732400000Z" />
<EventRecordID>29954</EventRecordID>
<Correlation />
<Execution ProcessID="4" ThreadID="8" />
<Channel>System</Channel>
<Computer>Jeffrey-Lin-PC</Computer>
<Security UserID="S-1-5-18" />
</System>
<EventData>
<Data Name="BugcheckCode">0</Data>
<Data Name="BugcheckParameter1">0x0</Data>
<Data Name="BugcheckParameter2">0x0</Data>
<Data Name="BugcheckParameter3">0x0</Data>
<Data Name="BugcheckParameter4">0x0</Data>
<Data Name="SleepInProgress">false</Data>
<Data Name="PowerButtonTimestamp">0</Data>
</EventData>
</Event>

Log Name: System
Source: Microsoft-Windows-Kernel-Power
Date: 2/14/2016 12:51:36 AM
Event ID: 41
Task Category: (63)
Level: Critical
Keywords: (2)
User: SYSTEM
Computer: Jeffrey-Lin-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.
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
<System>
<Provider Name="Microsoft-Windows-Kernel-Power" Guid="{331C3B3A-2005-44C2-AC5E-77220C37D6B4}" />
<EventID>41</EventID>
<Version>2</Version>
<Level>1</Level>
<Task>63</Task>
<Opcode>0</Opcode>
<Keywords>0x8000000000000002</Keywords>
<TimeCreated SystemTime="2016-02-14T05:51:36.732400000Z" />
<EventRecordID>29954</EventRecordID>
<Correlation />
<Execution ProcessID="4" ThreadID="8" />
<Channel>System</Channel>
<Computer>Jeffrey-Lin-PC</Computer>
<Security UserID="S-1-5-18" />
</System>
<EventData>
<Data Name="BugcheckCode">0</Data>
<Data Name="BugcheckParameter1">0x0</Data>
<Data Name="BugcheckParameter2">0x0</Data>
<Data Name="BugcheckParameter3">0x0</Data>
<Data Name="BugcheckParameter4">0x0</Data>
<Data Name="SleepInProgress">false</Data>
<Data Name="PowerButtonTimestamp">0</Data>
</EventData>
</Event>

Here is my PC configuration:

CPU: Intel Core i5-6600K 3.5GHz Quad-Core Processor
CPU Cooler: CRYORIG H5 Universal 65.0 CFM CPU Cooler
Motherboard: MSI Z170A GAMING M5 ATX LGA1151 Motherboard
Memory: G.Skill Ripjaws V Series 16GB (2 x 8GB) DDR4-2400 Memory
Storage: Samsung 850 EVO-Series 250GB 2.5" Solid State Drive
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive
Video Card: MSI GeForce GTX 970 4GB Twin Frozr V Video Card
Case: Fractal Design Define R5 w/Window (Black) ATX Mid Tower Case
Power Supply: EVGA SuperNOVA G2 550W 80+ Gold Certified Fully-Modular ATX Power Supply
Optical Drive: Asus DRW-24B1ST/BLK/B/AS DVD/CD Writer
Operating System: Microsoft Windows 7 Home Premium SP1 OEM (64-bit)
Monitor: Asus VG248QE 144Hz 24.0" Monitor

Sometime, even I just leave my computer alone, I don't touch it, it will automatically restart too. Sometime good for 5minuts, 10minuts or maybe 30minuts. I don't overclocking.

I used the Windows memory diagnostic tool to see which RAM is fault. I tested each one three times, one of them did not pass every single time, but another one can pass everytime. So after I found a bad RAM, I was happy because I think may be is the Bad RAM cause my Computer randomly restart. But no, My computer still restart after I took out the bad RAM.

For temp, I use HWMonitor. All the temps are fine. I also used Prime 95 to test my PC, while testing, the CPU around 35 c, GPU around 50 c in Torture test. But computer will crash after about 20-30minuts. Before computer crash, all temps looks fine.

I really don't remember what I have changed last week.

Unfortunately, I don't have a Back up program. And did set up a restore point.....

Actually, I found that in the event viewer, I had the first Kernal-power event 41 20 days ago. Also, before The event 41, there were two events always show up. One is Event 6008 (EventLog) and Event 56 (Application Popup). They shows up before Event 41 in Event Viewer every single time. Don't know is that the reason cause restart or not.I will get more research on this two events.

I uninstalled MSIafterburner.

I flashed BIOS to latest version but still get restart...

I have not try to reinstall Windows and replace components, but I will try them later day if there is no more options.


Thanks you for read this thread, any suggestion or advice would be appreciate.