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Windows 7: PC randomly turns off without closing windows.

22 Dec 2012   #11
DocBrown

Win7 Enterprise, Win7 x86 (Ult 7600), Win7 x64 Ult 7600, TechNet RTM on AMD x64 (2.8Ghz)
 
 

Here is another way to see your system info specs

SIW | System Information for Windows by Gabriel Topala


My System SpecsSystem Spec
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22 Dec 2012   #12
bobcat19

Windows 7 Ultimate 64bit
 
 

Quote   Quote: Originally Posted by DavidW7ncus View Post
Quote   Quote: Originally Posted by bobcat19 View Post
How likely is it that both my PSU's have exactly the same fault causing exactly the same problem?
Probably not likely if they are quality PSU's that can deliver enough power.
What make, model, and power rating are your PSU's?

Do you have "Automatically Restart" turned off?
My old PSU was a no name 370watt thing, the one I just installed is a seasonic X650 Gold, almost new.

I'm not sure I understand what the automatic restart has to do with it. When it happens I don't get a blue screen or anything, it just turns off as if I've held down the power button.
My System SpecsSystem Spec
22 Dec 2012   #13
bobcat19

Windows 7 Ultimate 64bit
 
 

Here's a snapshot from speccy


Attached Images
PC randomly turns off without closing windows.-speccy.png 
My System SpecsSystem Spec
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22 Dec 2012   #14
DavidE

Multi-Boot W7_Pro_x64 W8.1_Pro_x64 W10_Pro_x64
 
 

Quote   Quote: Originally Posted by bobcat19 View Post
I'm not sure I understand what the automatic restart has to do with it. When it happens I don't get a blue screen or anything, it just turns off as if I've held down the power button.
You won't see the blue screen if there is a BSOD and you have "Automatically Restart" set.
My System SpecsSystem Spec
22 Dec 2012   #15
bobcat19

Windows 7 Ultimate 64bit
 
 

Oh ok, I've stopped the automatic restart. It hasn't happen again yet, but when it does, do I write down an error code or something?
My System SpecsSystem Spec
22 Dec 2012   #16
DavidE

Multi-Boot W7_Pro_x64 W8.1_Pro_x64 W10_Pro_x64
 
 

The next time it happens let us know if you do see a BSOD blue screen, and we'll go from there.

This setting change is just trying to determine if you are getting a BSOD and don't know it.
My System SpecsSystem Spec
22 Dec 2012   #17
bobcat19

Windows 7 Ultimate 64bit
 
 

Quote   Quote: Originally Posted by DavidW7ncus View Post
The next time it happens let us know if you do see a BSOD blue screen, and we'll go from there.

This setting change is just trying to determine if you are getting a BSOD and don't know it.
Ok, ill post a reply as soon as it happens again, but like i said its quite random, it may happen multiple times in one day or it may not happen for weeks.
My System SpecsSystem Spec
22 Dec 2012   #18
pincushion

Windows 7 x64 SP1
 
 

Probably nothing to do with this issue but have you altered the pagefile settings? I once had mine logging off when I had a fixed pagefile that was too small apparently - didn't occur when made larger (still fixed) and this had never happened before I played about with pagefile sizes. Logging off and shutting down are probably separate issues though. Just a thought.

My System SpecsSystem Spec
22 Dec 2012   #19
DavidE

Multi-Boot W7_Pro_x64 W8.1_Pro_x64 W10_Pro_x64
 
 

Quote   Quote: Originally Posted by bobcat19 View Post
Ok, ill post a reply as soon as it happens again, but like i said its quite random, it may happen multiple times in one day or it may not happen for weeks.
Understood, but as it may not happen for weeks I'll add this...

If you do get a BSOD, you will need the Dump (DMP) file for troubleshooting.
Check your settings to see if you will get a DMP file.
You can look at my settings in Post #4 screen print under "Write debugging information".

This is my understanding/belief, and hopefully someone will correct me if I'm wrong:
- To capture a DMP file, a pagefile is needed on the C: (Windows OS) partition.
- A minimum 200 MB pagefile is needed for a mini dump.
- A minimum 1024 MB pagefile is needed for a full dump.

I'm no BSOD expert, but there is a BSOD Team in SF if needed.
If you do get a BSOD, here are posting instructions:
http://www.sevenforums.com/crashes-d...tructions.html

I didn't want to overly complicate or confuse your issue with all this...
But, now i have

Hope this helps,
David
My System SpecsSystem Spec
22 Dec 2012   #20
bej

Windows 7 Home Premium SP1 64bit
 
 

Google the Kernel Power Event ID 41 and you'll see it's a continuing problem in
Win 7 and there has been no solution found.
Matter of fact it happened to me yesterday. First time in over a year. I touched the side of
the case and the system rebooted. Looked at the details for the event and
the debugging information was all ZEROS. Windows doesn't know why it rebooted.
Something I do know is, for several months, everytime I would insert a USB stick my
system would reboot regardless of which port I tried. So, the usual thought about wiring, the ports are defective, et al. I can't remember how I stumbled on the "fix", but it turned out to be static electricity.
Now, when wanting to use the USB stick, I wipe the metal portion of the stick across the
metal leg of the computer desk a couple of times, then insert it. Haven't had a reboot since.
That worked for me. YMMV.
My System SpecsSystem Spec
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 PC randomly turns off without closing windows.




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