Windows 7 Forums
Welcome to Windows 7 Forums. Our forum is dedicated to helping you find support and solutions for any problems regarding your Windows 7 PC be it Dell, HP, Acer, Asus or a custom build. We also provide an extensive Windows 7 tutorial section that covers a wide range of tips and tricks.

Windows 7: PC Keeps shutting down when in sleep mode, Event 41-Kernel Power

25 Sep 2012   #1

Windows 7 Home Premium 64bit
PC Keeps shutting down when in sleep mode, Event 41-Kernel Power

Hi. My pc is shutting down more and more frequently so that it now happens every time I close the lid for sleep mode. In Event Viewer there are numerous "Event 41, Kernel Power" warnings like below:

Log Name: System
Source: Microsoft-Windows-Kernel-Power
Date: 9/25/2012 3:47:33 PM
Event ID: 41
Task Category: (63)
Level: Critical
Keywords: (2)
Computer: Betty-HP
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="">
<Provider Name="Microsoft-Windows-Kernel-Power" Guid="{331C3B3A-2005-44C2-AC5E-77220C37D6B4}" />
<TimeCreated SystemTime="2012-09-25T22:47:33.502049200Z" />
<Correlation />
<Execution ProcessID="4" ThreadID="8" />
<Security UserID="S-1-5-18" />
<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">true</Data>
<Data Name="PowerButtonTimestamp">129930749862421362</Data>

My Computer Specs are the following:

HP Envy 15 Notebook
Intel Core i7-2670QM CPU @ 2.20 GHz 2.20 GHz


Win 7 Home Premium 64-Bi, SP1

Any help would be appreciated! (This is still under warranty, but I'd rather try to fix things on my own--with help from Win 7 experts, of course--than deal with HP's Tech support.)

Thanks in advance,

My System SpecsSystem Spec
25 Sep 2012   #2

Microsoft Community Contributor Award Recipient

Microsoft Windows 10 Pro Insider Preview 64-bit

It is caused by the Intel(R) Wireless WiFi Link 5000 Series Adapter Driver for Windows 7.
Irp is active with 6 stacks 4 is current (= 0xfffffa8010678ce8)
 No Mdl: No System Buffer: Thread 00000000:  Irp stack trace.  
     cmd  flg cl Device   File     Completion-Context
 [  0, 0]   0  0 00000000 00000000 00000000-00000000    

            Args: 00000000 00000000 00000000 00000000
 [  0, 0]   0  0 00000000 00000000 00000000-00000000    

            Args: 00000000 00000000 00000000 00000000
 [  0, 0]   0  0 00000000 00000000 00000000-00000000    

            Args: 00000000 00000000 00000000 00000000
>[ 16, 2]   0  0 fffffa800b750050 00000000 00000000-00000000    
          Unable to load image \SystemRoot\system32\DRIVERS\NETwNs64.sys, Win32 error 0n2
*** WARNING: Unable to verify timestamp for NETwNs64.sys
*** ERROR: Module load completed but symbols could not be loaded for NETwNs64.sys
            Args: 00014400 00000000 00000004 00000002
 [ 16, 2]   0 e1 fffffa800b1deba0 00000000 fffff80003313200-fffffa800794a660 Success Error Cancel pending
           \Driver\vwifibus    nt!PopSystemIrpCompletion
            Args: 00014400 00000000 00000004 00000002
 [  0, 0]   0  0 00000000 00000000 00000000-fffffa800794a660    

            Args: 00000000 00000000 00000000 00000000
Update it from Download Center.

Free up the startup.
  1. Click on the Start button
  2. Type “msconfig (without quotes), click the resulting link. It will open the System Configuration window.
  3. Select the “Startup” tab.
  4. Deselect all items other than the antivirus and ObjectDock.
  5. Apply > OK
  6. Accept the restart.
My System SpecsSystem Spec
26 Sep 2012   #3

Windows 7 Home Premium 64bit
Found easier solution

Hi again! I wanted to thank you for taking the time to look at my dump files and responding as well as offering a solution. Before I posted this I did a lot of research online and saw people with similar issues although not exact, so I decided to post and see what you guys had to say.

I clicked on the link you provided and downloaded Easy Drive Pro, ran it and it said I needed to update 25 drivers. So, I went into my PC's HP Support and it said I needed to update a bunch of drivers (including the wi-fi adapter but not even close to 25) as well as the BIOS, so I let it do that automatically hoping that would solve the problem-it didn't! I decided to wait until this morning when I was fully awake before messing around with installing and uninstalling more drivers.

Today I thought about all the "resolutions" I saw while doing my research and since many of them were problems with the IPv6 configuration, rather than downloading more drivers I did what someone suggested elsewhere and simply went into my adapter properties, unchecked the IPv6 box and voila!--my computer went to sleep and awoke without any problems. WooHoo!!

I'm not generally one for emoticons but--!

Thank you to ALL of you for your untiring support. There are many forums out there, but this is the one I come to first.

My System SpecsSystem Spec

3 Weeks Ago   #4

Windows 7

I used Windows 10, but I have the same problem (Kernel Power 41) after my pc go to sleep, and this solution work for me.

Thank you ...
My System SpecsSystem Spec

Thread Tools

Similar help and support threads
Thread Forum
PC Randomly Enters Sleep Mode (Kernel Power Event 42)
Hello all, I've tried to troubleshoot this issue in which my laptop will enter sleep mode at random times. Strangely, it only happens when my computer is plugged in to the adapter. Looking in the Windows event logs showed that entering sleep mode was either caused by Event 37 (system is limited...
Hardware & Devices
DELL E6530 Event 41, Kernel-Power on battery power
Hi, Am new here but long-time Windows uses since Win95. Currently have a DELL E6530 and it gave me a BSOD Event 41 Error while on batteries! Looking around Google and other forums, this transpires to be a PSU related problem, but it's a laptop, and was running on batteries at the time the BSOD...
BSOD Help and Support
BSOD on Shutdown Event Log = Kernel-Processor-Power. Event ID: 6
Hi all, I've just built an AcerPower F6 desktop to Win 7 Pro 32 every shutdown it shows BSOD and promptly restarts. Event log is showing me the following for a critical event at the same time the shutdown occurs (The date on the log is from a week ago but this happens every shutdown which...
BSOD Help and Support
Event 1001 BugCheck Event 41 Kernel-Power Event 4 k57nd60a
Alright, started getting the 1001 BugCheck crash with Event 41 Kernel-Power BSOD a few times not long ago, widely spaced out incidents (it will lock up, make a very weird repetitive noise through my stereo speakers and will also get black and white bars across the screen before the blue screen...
BSOD Help and Support
BSOD-Kernel-Power 41 error during sleep mode/Debug=Ksthunk.sys
Dell Xps 435t (12-2010 built) Corsair 650W PSU,(installed a year ago) win7 SP1 Home premium i7 920 @ 2.7Ghz CPU, 6 Gig DDR3, Radeon 5770 Video (installed a year ago) M-Audio- Audiophile 2496 Audio. Wacom Intuos Tablet
BSOD Help and Support

Our Sites

Site Links

About Us

Find Us

Windows 7 Forums is an independent web site and has not been authorized, sponsored, or otherwise approved by Microsoft Corporation. "Windows 7" and related materials are trademarks of Microsoft Corp.

© Designer Media Ltd

All times are GMT -5. The time now is 05:17.
Twitter Facebook