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Windows 7: Frequent random restarts, Critical Kernel-Power, Event ID 41

01 Feb 2015   #1
Somethingtechy

Windows 7 64 bit Professional
 
 
Frequent random restarts, Critical Kernel-Power, Event ID 41

I have been having my computer randomly restart for about half a year now, and have given up on it fixing itself. It all started back in July, and there is seemingly no pattern to it.

There are 2 problems I have going on.

1. Random reboots/restarts which is tied to the Kernel Power

2. My monitor will randomly lose its connection to the video card, and the screen will turn off. A power cycle fixes everything.

I'm not sure if these problems are related, or unrelated at all. My PSU should be much more than I need, even after degradation of efficiency over 4 years of use. Additionally, I have no problems playing games such as Guild Wars 2, Titanfall, Skyrim, Planetside 2, and Civilization: Beyond Earth at maximum graphics, and don't get any crashing...with the exception of just 1 time where the screen went black and I had to restart, but that was in November or December, and hasn't happened during a gaming session since.

I have included the log from the event viewer below showing the times/patterns, and the random shutdowns from Problem 1 mostly occurs at night when I'm asleep, and the computer is being left alone for a period of time. At this point, I only have Malwarebytes and Kaspersky Pure 3.0 running (not a forced scan, just realtime protection).

I also doubt this is a RAM or CPU problem since I've played games on Planetary Annihilation that eat up a ton or RAM without crashing over a 3 hour long game.

*EDIT: I should also note that my power settings are set to be always on, no hibernation, sleep, etc. including for hard drives.

Thank you for your help, and I have included my log below, and attached a dxdiag.

My log is below:


Level Date Time
Source Event ID Task Category February Critical 2/1/2015 4:45:00 AM Kernel-Power 41 -63
Critical 1/28/2015 6:22:52 AM Kernel-Power 41 -63
Critical 1/18/2015 11:29:20 AM Kernel-Power 41 -63
Critical 1/16/2015 5:59:57 PM Kernel-Power 41 -63
Critical 1/11/2015 8:24:12 AM Kernel-Power 41 -63
Critical 1/7/2015 12:54:50 PM Kernel-Power 41 -63
Critical 12/28/2014 1:29:32 PM Kernel-Power 41 -63
Critical 12/13/2014 1:47:26 AM Kernel-Power 41 -63
Critical 12/12/2014 10:53:19 AM Kernel-Power 41 -63
Critical 12/12/2014 2:03:15 PM Kernel-Power 41 -63
Critical 9/29/2014 4:24:28 PM Kernel-Power 41 -63
Critical 9/13/2014 8:43:06 AM Kernel-Power 41 -63
Critical 9/13/2014 10:56:52 PM Kernel-Power 41 -63
Critical 9/6/2014 9:06:31 PM Kernel-Power 41 -63
Critical 9/6/2014 8:50:20 PM Kernel-Power 41 -63
Critical 9/6/2014 8:36:13 PM Kernel-Power 41 -63
Critical 9/4/2014 4:29:45 PM Kernel-Power 41 -63
Critical 8/17/2014 3:45:49 PM Kernel-Power 41 -63
Critical 8/12/2014 10:05:20 AM Kernel-Power 41 -63
Critical 7/29/2014 12:46:25 PM Kernel-Power 41 -63


My System SpecsSystem Spec
.
01 Feb 2015   #2
Somethingtechy

Windows 7 64 bit Professional
 
 

Update: My computer just restarted again a few minutes ago! Was playing Guild Wars 2, when all of a sudden, the computer turned off, the fan led's were still on in the back, and the computer was making a lot of beeping, then it rebooted with the keyboard not working. By forcing a power cycle, it's up and running again. I'm pretty scared right now as I only have this computer.

I'm guessing the video card needs to be replaced, due to Problem 2, as many people with this exact same card, same brand (HIS) have mentioned similar issues happening, with the screen randomly going black, etc., and having no choice but to power cycle to 'fix' it, prior to dying a few months later.

Reference 1: Rather disapointing HIS warranty/Support. | Hardware Heaven Forums

Reference 2: HIS IceQ Boost Clock H795QC3G2M Radeon HD 7950 3GB 384-bit GDDR5 PCI Express 3.0 x16 HDCP Ready CrossFireX Support Video Card - Newegg.com

Key note: I also decided to check the back of the video card, and didn't notice much air moving! This should be anything but the case, as the air should be pumping out the back due to the duel slot cooler design. The card 'appears' to be staying relatively cool, below 70 degrees C, but the cooler doesn't seem to be working properly. When I increase the fan speed significantly, from 1750 rpm's to about 3000 rpm's, it gets really loud, sounds a little off center/wobbly, and doesn't seem to be pushing much air out the back at all still, though you can actually start to feel it. I was literally able to put my finger on the outside metal grill comfortably, meaning the hot air is going out the wrong way. My old duel slot Radeon 4850 pushed air out the back of the case great, but this monster, which forced me to rearrange all my hard drives to make room, is just sad.

Anyone want to reply to this? I'm about ready to purchase a new video card, but go with a MUCH more reputable brand...probably ASUS, since I already have an ASUS motherboard and monitor, and have gone through their warranty process before. XFX is another possibility, though I know I'd need to register for the warranty within 30 days or so after purchase or it's void.

That said, Problem 1 is still a concern.
My System SpecsSystem Spec
01 Feb 2015   #3
OvenMaster

Win7 Pro 32bit; Zorin OS 9 Core (in VM)
 
 

My very first thought is that your power supply is defective and/or dying. It's not listed in your specs.
What are you using? How old is it? How many watts?
Got another known-good one you can swap in to test your rig?
My System SpecsSystem Spec
.

02 Feb 2015   #4
Somethingtechy

Windows 7 64 bit Professional
 
 

Thanks for the reply. I have a Corsair 750TX. It's as old as my computer, which I built in 2009, so about 5 1/2 years old. And no, I do not have a spare PSU lying around. I don't have any spare components for that matter of any type.

If the PSU was the problem though, then wouldn't I be completely unable to play intensive games due to the power draw being maxed out? I hope it's not the motherboard of all things...
My System SpecsSystem Spec
03 Feb 2015   #5
OvenMaster

Win7 Pro 32bit; Zorin OS 9 Core (in VM)
 
 

5 and a half years? I'd say your PSU a candidate for replacement.

Dying PSUs don't just quit and not let you start up your PC. Weird things can happen, like little glitches when you least expect them, random reboots, or behavior such as you are seeing on your own machine. Whenever my computers have started to randomly restart and throw Kernel Power errors, I make sure it's not the power coming out of the wall, and replace the PSU. That has always solved the problem for me.
My System SpecsSystem Spec
26 Jul 2015   #6
Somethingtechy

Windows 7 64 bit Professional
 
 

I just thought it would be good for me to respond to this post after a while of being silent. I replaced the PSU with an EVGA 850W PSU, and haven't had a single system crash since doing that about 6 months ago. So, thank you everyone for your help, the PSU was the culprit.
My System SpecsSystem Spec
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