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New 3930k PC shutting down and giving kernel power event 41 error
01-09-2013, 09:49 PM, (This post was last modified: 01-09-2013, 10:10 PM by mwhals.)
#1
New 3930k PC shutting down and giving kernel power event 41 error
My power is being lost on the PC causing it to just go off like the power went off. We have a backup power unit, so I wonder if it is losing power. I think I will plug a light into it to see if it flickers when the power goes off. If that is ruled out then I wonder if I got a bad PSU.

It just kicked off while in bios, so it is definitely a hardware problem or backup battery problem. The light is now plugged into the backup unit.

CPU is only at 40 Celcius, so it is not a thermal problem.

Just reset CPU to stock speeds as I noticed that the motherboard had tweaked the overclocking. I turned off the Asus auto overclocking. It could have been an unstable setup, so we will see how it goes for a while at stock speeds.

PSU is only pulling 207 watts, so it isn't due to being underpowered.
Case: Fractal Design Define R4 CPU: Intel Core i7 3930K CPU Cooler: Noctua NH-D14 SE2011 GPU: EVGA GTX 650 2GB SSD: Samsung 840 Pro 256GB HDDs: Western Digital Caviar Black 1TB and Western Digital VelociRaptor 500 GB Motherboard: Asus P9X79 Pro RAM: 8x8GB (64GB) G. Skill Ripjaws Z 1600MHz Optical Drives: two Asus DRWB1ST PSU: Seasonic X650 80+ Gold Keyboard: Das Keyboard Professional S Mouse: Logitech Performance MX Tablet: Logitech T650 Monitors: NEC P241W and NEC PA241W Speakers: Bose Companion 3 Operating System: Windows 8 Pro 64 bit
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01-09-2013, 10:36 PM, (This post was last modified: 01-09-2013, 10:36 PM by MathieuB.)
#2
RE: New 3930k PC shutting down and giving kernel power event 41 error
I'd check the wiring inside your PC to insure that no power connection is loose, especially the 24-pin and 4/8 pin connections to the mottherboard.

Double-check the power cord connected to the wall (or UPS in this case) and power supply, on both ends. Double-check the power cables on the PSU end, since you have a modular PSU.

Overclocking usually doesn't result in shutdowns, but BSODs and system freeze, so I don't think it's that.
Laptop: MSI GS30 Shadow-045 Dimensions: 12.6" x 8.9" x 0.8" 2.65lbs CPU: Intel Core i7-4870HQ Quad-Core + Hyper-Threading OC 2.5-3.9GHz RAM: 16GB DDR3 1600MHz Video Card: Intel Iris Pro 5200 Storage: 2x128GB SDD RAID0 Audio: ASUS Xonar U3 USB Sound Card + Audio-Technica ATH-M50 headphones Screen: 13.3" - 1920 x 1080 IPS + 27" Dell P2715Q IPS 3840 x 2160 Keyboard: Filco Majestouch MX Cherry Blue Mouse: Logitech MX518
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01-09-2013, 10:49 PM, (This post was last modified: 01-09-2013, 10:51 PM by mwhals.)
#3
New 3930k PC shutting down and giving kernel power event 41 error
Hitting it with Prime95 now and it seems to be doing great. As a result, I think it was the Asus tweak. I will manually set the overclock as the AI settings were unstable apparently.

All power connections are good as that is the first thing Of which I thought.
Case: Fractal Design Define R4 CPU: Intel Core i7 3930K CPU Cooler: Noctua NH-D14 SE2011 GPU: EVGA GTX 650 2GB SSD: Samsung 840 Pro 256GB HDDs: Western Digital Caviar Black 1TB and Western Digital VelociRaptor 500 GB Motherboard: Asus P9X79 Pro RAM: 8x8GB (64GB) G. Skill Ripjaws Z 1600MHz Optical Drives: two Asus DRWB1ST PSU: Seasonic X650 80+ Gold Keyboard: Das Keyboard Professional S Mouse: Logitech Performance MX Tablet: Logitech T650 Monitors: NEC P241W and NEC PA241W Speakers: Bose Companion 3 Operating System: Windows 8 Pro 64 bit
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01-10-2013, 01:23 AM,
#4
RE: New 3930k PC shutting down and giving kernel power event 41 error
Ah, I missed that bit about the auto overclocking. Yes, do stay away from that, they often tune in ridiculous settings that can be dangerous for your PC.
Laptop: MSI GS30 Shadow-045 Dimensions: 12.6" x 8.9" x 0.8" 2.65lbs CPU: Intel Core i7-4870HQ Quad-Core + Hyper-Threading OC 2.5-3.9GHz RAM: 16GB DDR3 1600MHz Video Card: Intel Iris Pro 5200 Storage: 2x128GB SDD RAID0 Audio: ASUS Xonar U3 USB Sound Card + Audio-Technica ATH-M50 headphones Screen: 13.3" - 1920 x 1080 IPS + 27" Dell P2715Q IPS 3840 x 2160 Keyboard: Filco Majestouch MX Cherry Blue Mouse: Logitech MX518
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01-10-2013, 05:55 PM, (This post was last modified: 01-10-2013, 06:32 PM by mwhals.)
#5
RE: New 3930k PC shutting down and giving kernel power event 41 error
Running at stock speeds, it powered off today less than 3 minutes after turning it on.

Critical 1/10/2013 5:15:15 PM Kernel-Power 41 (63)
Critical 1/9/2013 9:51:03 PM Kernel-Power 41 (63)
Critical 1/7/2013 7:33:26 PM Kernel-Power 41 (63)
Critical 1/7/2013 7:29:18 PM Kernel-Power 41 (63)
Critical 1/7/2013 7:26:02 PM Kernel-Power 41 (63)
Critical 1/6/2013 10:15:36 PM Kernel-Power 41 (63)
Critical 1/6/2013 4:43:06 PM Kernel-Power 41 (63)
Critical 1/6/2013 2:36:48 AM Kernel-Power 41 (63)
Critical 1/5/2013 8:01:26 PM Kernel-Power 41 (63)
Critical 1/5/2013 5:47:56 PM Kernel-Power 41 (63)
Critical 1/4/2013 11:46:54 PM Kernel-Power 41 (63)

These are the Windows 8 recorded times when it was showing lost power. When the power is lost on the computer, the fans stop spinning too. The fans are connected directly to the power supply.

I am wondering if my Seasonic PSU is the problem???? Since the power has gone off when in bios too, it shows that it isn't a software problem. It must be hardware related. Items plugged into my battery backup do not lose power when the computer loses power, so I do not believe it is the battery backup unit. I think it is internal to the computer case.

Darn! I can't find my PSU tester!

Seasonic is sending me a new PSU.

While talking to Seasonic, the PC shutoff. It then tried to restart several times, but immediately shutoff. I think the fans were basically just getting bumped it was so fast. It finally booted up. Seasonic believes the power supply is bad based on the information. The computer is going to remain off until I receive the new PSU.

When the computer is running, Prime95 runs for hours without problem.
Case: Fractal Design Define R4 CPU: Intel Core i7 3930K CPU Cooler: Noctua NH-D14 SE2011 GPU: EVGA GTX 650 2GB SSD: Samsung 840 Pro 256GB HDDs: Western Digital Caviar Black 1TB and Western Digital VelociRaptor 500 GB Motherboard: Asus P9X79 Pro RAM: 8x8GB (64GB) G. Skill Ripjaws Z 1600MHz Optical Drives: two Asus DRWB1ST PSU: Seasonic X650 80+ Gold Keyboard: Das Keyboard Professional S Mouse: Logitech Performance MX Tablet: Logitech T650 Monitors: NEC P241W and NEC PA241W Speakers: Bose Companion 3 Operating System: Windows 8 Pro 64 bit
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01-11-2013, 08:34 AM,
#6
New 3930k PC shutting down and giving kernel power event 41 error
Hopefully, the new PSU fixes it, but my next suspect would be the motherboard as I think a capacitor could cause this problem. I will take a good look at it this weekend.
Case: Fractal Design Define R4 CPU: Intel Core i7 3930K CPU Cooler: Noctua NH-D14 SE2011 GPU: EVGA GTX 650 2GB SSD: Samsung 840 Pro 256GB HDDs: Western Digital Caviar Black 1TB and Western Digital VelociRaptor 500 GB Motherboard: Asus P9X79 Pro RAM: 8x8GB (64GB) G. Skill Ripjaws Z 1600MHz Optical Drives: two Asus DRWB1ST PSU: Seasonic X650 80+ Gold Keyboard: Das Keyboard Professional S Mouse: Logitech Performance MX Tablet: Logitech T650 Monitors: NEC P241W and NEC PA241W Speakers: Bose Companion 3 Operating System: Windows 8 Pro 64 bit
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01-11-2013, 09:02 PM, (This post was last modified: 01-11-2013, 09:03 PM by PwnBroker.)
#7
RE: New 3930k PC shutting down and giving kernel power event 41 error
hopefully the new psu will fix it cause that error you are getting can be caused by a number of things but since it does it while in bios too that kinda narrows it down.

if the new psu doesnt fix it, id look at my bios build cause there have been a number of updates exclusively for windows 8 from just about every board maker.

did this just start happening or was it from the start? cause i noticed in your other posts that it was working quite well after your build.

good luck
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01-11-2013, 09:44 PM, (This post was last modified: 01-11-2013, 09:45 PM by mwhals.)
#8
New 3930k PC shutting down and giving kernel power event 41 error
It started doing it after a little over a month. I just checked the motherboard and all the capacitors look normal, so I don't suspect the motherboard.

I have had the latest bios since I first put it together and never had a problem with it.
Case: Fractal Design Define R4 CPU: Intel Core i7 3930K CPU Cooler: Noctua NH-D14 SE2011 GPU: EVGA GTX 650 2GB SSD: Samsung 840 Pro 256GB HDDs: Western Digital Caviar Black 1TB and Western Digital VelociRaptor 500 GB Motherboard: Asus P9X79 Pro RAM: 8x8GB (64GB) G. Skill Ripjaws Z 1600MHz Optical Drives: two Asus DRWB1ST PSU: Seasonic X650 80+ Gold Keyboard: Das Keyboard Professional S Mouse: Logitech Performance MX Tablet: Logitech T650 Monitors: NEC P241W and NEC PA241W Speakers: Bose Companion 3 Operating System: Windows 8 Pro 64 bit
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01-12-2013, 02:58 PM, (This post was last modified: 01-12-2013, 04:17 PM by mwhals.)
#9
New 3930k PC shutting down and giving kernel power event 41 error
I took my Silverstone Zeus 850 out of the old PC and hooked it up and it wouldn't start. Put the Seasonic back in and it will bump the case fans and that is it. Subsequence start tries don't even bump the case fans until after I disconnect power from the wall. The power switch on the motherboard does the same thing.

Thinking back to when I built it, I had the same trouble getting it to start the first time. I finally got it started after several attempts and didn't have to do anything with cables as they were all tight. After the first start, it worked fine for a month even at a 4.1 ghz overclock. Them the power shutting off problem started.

I then finally found my PSU tester. I connected the old Silverstone PSU to it and found it was working flawless. I then wondered why it wouldn't start the PC. I got into my PC after reinstalling the suspect PSU and checked the 24 pin connection. It was tight. I then ran my hand toward the bottom of the 24 pin connection and felt a gap. I then straightened it and it is now completely connected. I now think this is why the Silverstone didn't start it since it. I just started it with the Seasonic after reseating the 24 pin connection and the computer started with no problems and is running fine.

I am now wondering if the 24 pin connection was not fully connected all the way back to when I build the PC. I don't think so, because it is the large heat sink that blocks my view and I connected the motherboard connections before installing the heat sink. Nevertheless, if it continues to work with no problems, I will be happy.

The strange thing is that the Seasonic wouldn't even light up the PSU tester, but yet it is running the PC without a problem (so far).
Case: Fractal Design Define R4 CPU: Intel Core i7 3930K CPU Cooler: Noctua NH-D14 SE2011 GPU: EVGA GTX 650 2GB SSD: Samsung 840 Pro 256GB HDDs: Western Digital Caviar Black 1TB and Western Digital VelociRaptor 500 GB Motherboard: Asus P9X79 Pro RAM: 8x8GB (64GB) G. Skill Ripjaws Z 1600MHz Optical Drives: two Asus DRWB1ST PSU: Seasonic X650 80+ Gold Keyboard: Das Keyboard Professional S Mouse: Logitech Performance MX Tablet: Logitech T650 Monitors: NEC P241W and NEC PA241W Speakers: Bose Companion 3 Operating System: Windows 8 Pro 64 bit
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01-13-2013, 01:17 AM,
#10
RE: New 3930k PC shutting down and giving kernel power event 41 error
Well, a loose wire would create a short, which can very well prevent a start up and would cause shutdowns. Keep us updated.
Laptop: MSI GS30 Shadow-045 Dimensions: 12.6" x 8.9" x 0.8" 2.65lbs CPU: Intel Core i7-4870HQ Quad-Core + Hyper-Threading OC 2.5-3.9GHz RAM: 16GB DDR3 1600MHz Video Card: Intel Iris Pro 5200 Storage: 2x128GB SDD RAID0 Audio: ASUS Xonar U3 USB Sound Card + Audio-Technica ATH-M50 headphones Screen: 13.3" - 1920 x 1080 IPS + 27" Dell P2715Q IPS 3840 x 2160 Keyboard: Filco Majestouch MX Cherry Blue Mouse: Logitech MX518
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