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Unexpected Restart

32K views 7 replies 4 participants last post by  storm5510 
#1 ·
When I got up this morning I found that my system had restarted itself. I thought it was because of an update. I didn't find anything to indicate an update had been installed.

I decided to check the system event logs to see if there was anything there. There was. Critical error, Event 41. This is power related. I have the BIOS setting for a power interruption set to "Stay Off." However, this was not external.

This is the second time since I installed Windows 10. Windows 7 never did this. Both times I was running a number crunching console application which makes heavy use of the GPU. The CPU drops to around 1.5 GHz when there is no load and this process doesn't use it.

So, I am wondering what the deal is. There is no way to monitor the internal output of the PSU. I can monitor the input line voltage/amperage going into the PSU with a device I have. The input load only rises 20 watts when I am running this process. In a normal transformer system, wattage is a constant. However, a PSU is probably a different story.

I am looking for ideas as to where to start searching for an issue which might cause this.
 

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#4 ·
My install of Windows 10 was on December 21. Now that I've had a work day to think about it, there was a restart about a week later. I believe that one was an update reboot. I didn't know about the restart request notifications at the time so it caught me off-guard. I have them on now. So, this would be the first unexpected reboot without an update.

jenae said:
...if it occurs in conjunction with system errors and your machine blue screens, that's the time to worry...
There was no blue-screen. It was waiting for me to log back in. I looked at the system log during the time before this happened. The only thing there was Error 46: volmgr.

There is something immediately after: "Information Event ID 172, Kernel-Power, Connectivity state in standby: Disconnected, Reason: NIC compliance." The critical error also contains "Kernel-Power."
 
#3 ·
Hi, event 41 simply tells you what you already know , your computer has turned itself off, it is not a diagnostic event (critical means the system stopped functioning, no cause can be gleaned from 41 events). It could simply mean a power outage, if it occurs in conjunction with system errors and your machine blue screens, that's the time to worry... just keep an eye on it.
 
#6 ·
...Windows 10 is a joke.
It's worked pretty well for me, so far.

I found something interesting by doing a Google search. The most common reason for this error is having duplicate audio drivers. There are others. In my case, I actually had three drivers. An original, and two from nVidia. I disabled the nVidia drivers and left the one from the base install active.

It seemed odd to me that nVidia would be making audio drivers when their main products are video. Live and learn.
 
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