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  Computer Spontaniously Shuts Down & Reboots, Critical Err... 41, Task cat. (63 
 Date Written 
Chris McCall Sep 23, 2010, 07:31pm EDT Report Abuse
Hey folks,

My Machine:

i7-920 Bloomfield D0 Stepping
6Gb Corsair DDR3 XMS3 1600Mhz
Corsair 750W 750HXUK PSU
Corsair H50 CPU Cooler
Gigabyte GA-X58A UD3R MoBo

In the past few weeks its developed a habit of randomly shutting down and rebooting this spontaniously happens be it ingame, movie, music, web browsing - i've never seen it happen idle on desktop so i dunno if it does or not

Steps taken:

OC shut off back to defaults
auto reboot off - still reboots
No MiniDump (%systemroot%/minidump)
memtest 0 errors
Flash & update BIOS

Post crash event log info:

- <Event xmlns="">
- <System>
<Provider Name="Microsoft-Windows-Kernel-Power" Guid="{331C3B3A-2005-44C2-AC5E-77220C37D6B4}" />
<TimeCreated SystemTime="2010-09-23T15:28:58.073622000Z" />
<Correlation />
<Execution ProcessID="4" ThreadID="8" />
<Security UserID="S-1-5-18" />
- <EventData>
<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">false</Data>
<Data Name="PowerButtonTimestamp">0</Data>

Help guys..........please!

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Joshua Marius, LeThe Sep 26, 2010, 06:33pm EDT Report Abuse
>> Re: Computer Spontaniously Shuts Down & Reboots, Critical Error Kernal-Power, Event ID 41, Task cat.
Try the following:

1. Check PSU Voltages - 12v, 5v, etc,

2. Physical check on motherboard - Check for blown capacitors, make sure everything is in place.

3. Check your RAM with memtest86+ and make sure everything is good to go - at least 24 hours...just in case you did it for less.

A good test is also to boot up in UBUNTU. Since it's a different OS it may rule out the Operating System as the problem.

Let us know how these diagnostics go.

Joshua Marius
Windows 7 Ultimate x64 SP1
Intel Core i5-2500K
Intel SSDSC2CW180A3 180 GB
RAID 1: Seagate ST3750528AS 750 GB
CORSAIR Vengeance 8 GB DDR3 1600
eVGA GeForce 8800 GTS
john albrich Sep 26, 2010, 07:49pm EDT Report Abuse
>> Re: Computer Spontaniously Shuts Down & Reboots, Critical Error Kernal-Power, Event ID 41, Task cat.
You didn't mention which Windows OS you're using, but you might try checking the Event Viewer to see if any errors started showing up there in the past few weeks...could be related to the problem.

start>settings>control panel>administrative tools>event viewer

Joshua's suggestion to isolate OS/software v. hardware by using Ubuntu is a good time-honored way to do this. It's a natural step after you've run some hardware diagnostics without any firm diagnosis.

Another "Live" Linux environment is Knoppix...which contains some diagnostics as well. I suggest using a multimedia player as a program that would do a good all-around job of aggravating any problems.

Using the "Live" environments is easy. All you have to do is download the image, burn it to DVD (or CD if it fits), boot it on your computer (after changing BIOS Settings for booting if needed) and select the apps or diagnostics that may be provided on the image.

Note: The omni-compatibility of Ubuntu and Knoppix is excellent, but there are a few computers that won't boot the "Live" images properly. I'm telling you this because if it fails to boot it doesn't automatically mean one has a hardware failure.
There are quite a few European download mirrors.

edit to add: If you get Knoppix, note that there are 2 "types" available. The "Adriane" type is designed to boot by default to better support vision-impaired people. The non-"Adriane" type default boots to the normal interface. The non-Adriane Knoppix .iso files are usually located far below the Adrian files on the mirror lists. It can be confusing.

chad preslar Nov 21, 2010, 04:24pm EST Report Abuse
>> Re: Computer Spontaniously Shuts Down & Reboots, Critical Error Kernal-Power, Event ID 41, Task cat.
Been having this exact issue for a few months now, litterally driving me insane.

Core2Quad Q9300 2.5ghz
Gigabyte GA-EP45T-DS3R Motherboard
Corsair XMS3 DDR3 1600 mhz 8GB total
2 - ATI HD5850's xfire
OCZ Vertex II Sata 60GB SSD
Windows7 Pro x64
Corsair Hydo H50 water cooler

also have a brand new spare
Core2Quad Q9300

Ok so I have the event ID 41 with a bugcheck code of 0and also experience the random reboots, even while in the BIOS. So I've litterally attempted everything, I'm really looking for some help here.

-changed wall outlets
-changed power cables
- took out a video card
-reinstalled the OS repeated times (ironically it never reboots while in a windows setup, although the system does hang here occasionally)
-changed psu
-changed voltages, and power saving
-disabled overclocking
-swapped memory kits, left in 4GB at a time (I dont think its possible that both kits are bad)
-swapped processor
-swapped motherboard
-booted with no drives attached (this is key be cause many say that it is an OS issue or windows driver issue, this is not possible from the BIOS Post, which obviously makes it impossible to run PE programs such as knopix or a memtest, as the PC will reboot in this mode

-disable auto reboot (does not change the situation, pc still hard crashes and loses power)
-checked CPU temps in BIOS, a stable 27 degress celecius (50 degrees farenheight)
-felt the zif socket around the processor after it was stable for 10 min, NOT HOT
- swapped memory setup (dual channel single channel)

you name it I've tried it. IM GOING INSANE!!!!!! please help:X

john albrich Nov 21, 2010, 08:11pm EST Report Abuse
>> Re: Computer Spontaniously Shuts Down & Reboots, Critical Error Kernal-Power, Event ID 41, Task cat.

Even though you provided VERY detailed specs...excellent job by the way...more info about what the computer is doing when the failure occurs might help. Don't know if you've even been able to look at the temperatures, but that would be helpful info as well.

I did notice that you 'disabled overclocking', so it's possible you damaged the CPU or RAM earlier.

However, I'd first check the seating of all the parts (with the PSU unplugged and following appropriate ESD handling procedures).

Then, I'd try to isolate between the hardware and software causes using a self-booting CD/DVD. See my post for more info at:

Using UBCD takes Windows out of the picture and if the problem continues while booted from the CD/DVD, tells you it's likely a hardware problem.

Once that is determined, hardware debugging can proceed if needed. Otherwise, it's a software debug.



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