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: Notebook Randomly Shutting Off

08 Jan 2011   #11

Ubuntu 12.10


I ran the Prime95 Large FFT test before I was about to go to bed. After 5 minutes of preparing myself for bed (bathroom, brush teeth), the notebook shutdown. I noticed the fans and CPU was going on mad like crazy.

Later on today, I checked the Event Viewer and I see this:

The system was shut down due to a critical thermal event.
Shutdown Time = ‎2011‎-‎01‎-‎07T21:28:39.357421800Z
ACPI Thermal Zone = ACPI\ThermalZone\THRM
_CRT = 353K

Friendly View:

- System

- Provider

[ Name] Microsoft-Windows-Kernel-Power
[ Guid] {331C3B3A-2005-44C2-AC5E-77220C37D6B4}

EventID 86

Version 0

Level 2

Task 83

Opcode 0

Keywords 0x8000000000000020

- TimeCreated

[ SystemTime] 2011-01-07T21:28:39.357421800Z

EventRecordID 10203


- Execution

[ ProcessID] 4
[ ThreadID] 64

Channel System

Computer Isabelle-PC


- EventData

ThermalZoneDeviceInstanceLength 21
ThermalZoneDeviceInstance ACPI\ThermalZone\THRM
ShutdownTime 2011-01-07T21:28:39.357421800Z
_CRT 353

XML View:

- <Event xmlns="">
- <System>
<Provider Name="Microsoft-Windows-Kernel-Power" Guid="{331C3B3A-2005-44C2-AC5E-77220C37D6B4}" />
<TimeCreated SystemTime="2011-01-07T21:28:39.357421800Z" />
<Correlation />
<Execution ProcessID="4" ThreadID="64" />
<Security />
- <EventData>
<Data Name="ThermalZoneDeviceInstanceLength">21</Data>
<Data Name="ThermalZoneDeviceInstance">ACPI\ThermalZone\THRM</Data>
<Data Name="ShutdownTime">2011-01-07T21:28:39.357421800Z</Data>
<Data Name="_CRT">353</Data>


My System SpecsSystem Spec
09 Jan 2011   #12

Windows 7 Professional x64

That means your laptop overheated, if you don't already know. Now Prime95 (especially the Large FFTs test) will cause your chips to heat up much more than normal, but still, it shouldn't be overheating.

Try taking a can of compressed air, and blowing out the air vents to clean out the dust.
My System SpecsSystem Spec
09 Jan 2011   #13

Ubuntu 12.10


So basically, the only solution is to stop it from overheating right?

If so, would the following solutions be enough:

Cleaning the inside's of the notebook
Arctic Silver 5??
Changing the fan??

My System SpecsSystem Spec

10 Jan 2011   #14

Windows 7 Professional x64

I wouldn't mess with the clock any, but go ahead and clean out the dust, and apply Arctic Silver if you like.
My System SpecsSystem Spec
10 Jan 2011   #15

Ubuntu 12.10


I am not gonna touch the clock, just undervolt, thats all.

Also, is there a need or would it help if I replaced the internal fans for the notebook?

My System SpecsSystem Spec
10 Jan 2011   #16

Windows 7 Professional x64

Undervolting may be detrimental to the stability of your laptop, and would be especially ironic given the nature of the original crashes. A major cause of Kernel Power Error 41 cases is insufficient or spotty power to the CPU, motherboard, and RAM. Undervolting is giving the CPU less power; unless you also decrease the power demand, you may create more problems for yourself.

In order to decrease the power demand, you would need to slow down the entire clock, which may very well decrease performance. It will decrease heat, however.

If you are determined to undervolt, be sure to go the whole way and underclock as well.

Decreasing the internal fans may help if the current ones are failing; it would also help if your fan blades are now covered with dust. You can also clean off the dust with compressed air; a slightly cheaper solution.
My System SpecsSystem Spec

 Notebook Randomly Shutting Off

Thread Tools

Similar help and support threads
Thread Forum
PC shutting down randomly
Hi I have been facing a weird problem since last night. I recently changed my smps to a Antec Vp 450p as the last one had failed.Last night when I switched On my PC everything was running fine. After that the desktop became unresponsive.After a few minutes the PC shut down randomly. ...
Hardware & Devices
Power Management Setup: Notebook on Battery Just Shutting Off
This might be fixable through the OS or it might be peculiar to my notebook (ASUS G74SX). I am seeing my notebook while on the battery just shutting off as its power level reaches a certain threshold. There is no forced entry into a sleep or hibernate mode as a user would want. It's an...
Installation & Setup
PC Randomly shutting down.
Hey. Today my pc has randomly shutted itself down 4times. First 2 happened when I was on YouTube, and the last 2 when playing, MineCraft and Dungeon Defenders! :D Anyway, had this for ages and no problems. Today the crashing started, it says nothing. It just shuts itself down. I tried looking at...
BSOD Help and Support
Help, pc keeps randomly shutting down.
I built a custom pc about a year ago. Recently it has been acting up, shutting off randomly. I thought maybe it was the fan and replaced the fan. This was futile i do not know what it could be. I thought maybe it could be that the coprocessor drive isnt installed do you think thats it? anyway...
General Discussion
Randomly shutting down
Hey all, I've been getting the strangest kind of crashes I've seen on a pc so far. They can happen pretty much at any time, from the BIOS screen to playing a game. What happens is, the computer will completely freeze including sound, pointer, keyboard... everything and the only thing to do is...
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 09:37.
Twitter Facebook Google+