Windows 8 and 8.1 Forums


Unexpected shutdowns on new desktop - Please help me!

  1. #1


    Posts : 21
    WIN8 64BIT

    Unexpected shutdowns on new desktop - Event 41,task 63


    Main Symptom : The new PC stops responding after several hours (sometimes a few) of intensive work and then it shuts down.Sometimes it produces a blue screen with the "critical process dies" message and sometimes doesn't.The problem was appearing also after fresh install of 2 versions of windows 7.Now in official Win8 it appears also.All these 3 windows versions were working fine on other desktops.
    Event viewer : One critical error appears every time : Event ID 41 , task 63 , kernel-power.
    Connected Peripherals : 1)Keyboard, 2)Stylus pen, 3)Printer, 4)Wireless usb adapter,5)Stereo speakers,6)usb hub, 7) four external hard disc drives
    What i personally tried so far and what the technician did :
    1.Tried 3 versions of Windows to see if the problem had to do with them.The problem appeared in all versions.
    2.Updated all drivers and MB and VGA drivers of course.No result.
    3.Ran memtest and hard disc check.No problems.
    4.Disabled one of the two audio drivers ( disabled nvidia audio and left enabled the realtek audio).No result.
    5.Disabled sleep.No result
    6.I personally checked for 3 hours how the PC responds with only mouse and keyboard connected and without heavy use. The PC didn't crash.The technician also did the same with his mouse and his keyboard for 10 hours but without heavy use also.The PC didn't crash. The technician returned my PC and said that he couldn't find any problem in his lab and that the problem must probably have to do with the peripherals.
    So when the problem really appears :
    The problem appears when all the peripherals are connected and after a little bit of intensive use. ( Photoshop many hours - Transfers of thousand of images from one external hard dick to the other - Printer and internet use ).
    Note : The same peripherals were used on the old PC with winxp, in the same electricity plug, and there was no problem at all.

    I have spent a lot of time to understand if the problem is software or hardware related.My guess goes to a possibly problematic PSU.The PSU is Corsair 650W and new of course but i think it can't handle many peripherals and intensive use.If the problem was driver related then i guess that the crash would appear not only after heavy use but also after normal use.Another guess is that there is a problem with usb controller and that's why the peripherals that are connected via usb are causing problems.Don't know.

    I attach the SF diagnostic folder.I hope that someone will help me understand what is causing this major problem.

      My System SpecsSystem Spec

  2. #2


    Posts : 21
    WIN8 64BIT


    Noone? Please help!
      My System SpecsSystem Spec

  3. #3


    San Jose - California
    Posts : 2,847
    8.1x64PWMC Ubuntu14.04x64 MintMate17x64


    Few possibilities that would cause the PC to crash:
    1. Even your PSU is new and 650W is plenty of power. It does not mean it is not defective. If you can use another PSU to test with.
    2. Did the technician monitor the temperature of your CPU ? Core Temp 64bit - Windows 8 Downloads
    3. Go into the BIOS. Manually set the voltage of your RAM to factory spec instead of Auto.
    4. Double check all cables and CPU Heatsink inside the case for proper connections.


    Hope this helps.
      My System SpecsSystem Spec

  4. #4


    Posts : 21
    WIN8 64BIT


    I downloaded Core temp from the link you provided.I tried to run the test but the moment i clicked on the exe the PC froze and closed.I tried again.Freeze and shutdown again.Not only i cannot run the exe but when i try to run it the computer freezes and closes.Tried 6 times.

    The same exe works fine on my laptop.
      My System SpecsSystem Spec

  5. #5


    San Jose - California
    Posts : 2,847
    8.1x64PWMC Ubuntu14.04x64 MintMate17x64


    It would help if you fill out the system specs so we can better help you since we don't know what type of PC you have, CPU, MB, RAM etc...

    EDIT: it's strange that you cannot run coretemp. How about right click on the exe and run as Admin to see if it runs
      My System SpecsSystem Spec

  6. #6


    Posts : 21
    WIN8 64BIT


    Ok, i went to the office and run the coretemp successfully ( i don't know why my sister couldn't run it but anyway ).
    The readings seem to be fine.See attached image.

    Today the computer crashed 3 times without heavy use.

    Along with the image of coretemp, i attach a txt with all the hardware of my PC and the peripherals and the errors.In the first post i have the SF Diagnostics folder.

    I also attach a screenshot where the program "driver agent" tells me which drivers i have and which i don't.The strange thing is that it tells me that i don't have the Realtek PCIe GBE Family Controller but i have it installed.As for the motherboard i have downloaded all the drivers with the use of MSI update tool and the Intel update tool.In the device manager i don't have a missing driver.

    Attached files :
    Last edited by ipred; 11 Nov 2013 at 10:21.
      My System SpecsSystem Spec

  7. #7


    Posts : 21
    WIN8 64BIT


    Updated my profile with PC hardware also as you asked.
      My System SpecsSystem Spec

  8. #8


    Hi

    In addition to what "topgundcp" requested, please provide a "Speccy" snapshot of your system. To do that, read the below tutorial and post the web link displayed by 'Speccy" with next reply.

    Publish a Snapshot using Speccy - Internet Applications Mini-Guides
      My System SpecsSystem Spec

  9. #9


    San Jose - California
    Posts : 2,847
    8.1x64PWMC Ubuntu14.04x64 MintMate17x64


    I've noticed that you have Avast installed. There's been cases that Anti Virus would caused BSOD. For test purpose, can you temporarily uninstall this software: avast! Uninstall Utility | Download aswClear for avast! Removal
    Please report back your progress.

    FYI, Windows Defender is good enough. However, it depends on how careful you use your PC while surfing/Downloading the Internet
      My System SpecsSystem Spec

  10. #10


    Posts : 21
    WIN8 64BIT


    Quote Originally Posted by Anshad Edavana View Post
    Hi

    In addition to what "topgundcp" requested, please provide a "Speccy" snapshot of your system. To do that, read the below tutorial and post the web link displayed by 'Speccy" with next reply.

    Publish a Snapshot using Speccy - Internet Applications Mini-Guides
    I have downloaded Speccy from yesterday but i haven't gone to my sister's office.I' ll go today a take a snapshot of the system with Speccy.Maybe we have found what is causing the unexpected shutdowns and the BSODs.See below.

    Quote Originally Posted by topgundcp View Post
    I've noticed that you have Avast installed. There's been cases that Anti Virus would caused BSOD. For test purpose, can you temporarily uninstall this software: avast! Uninstall Utility | Download aswClear for avast! Removal .Please report back your progress.
    FYI, Windows Defender is good enough. However, it depends on how careful you use your PC while surfing/Downloading the Internet
    The unexpected shutdowns were happening before Avast.I installed Avast a week ago and i ve been having the problem for 2,5 months.

    Anyway, yestarday i told my sister who is using the computer to spend the whole day without the wireless usb adapter connected and i told her also to disable in the device manager the drivers related to the wireless network. She told me there were 2 drivers :
    1)One that i have installed from TP-LINK site ( the latest compatible with Windows 8 ) and
    2)One from Microsoft called "Microsoft kernel debugger" or something like that.


    I told her to disable both of them and remove the usb wireless adapter.She spent 10 hours in the office doing heavy work and nothing happened! No unexpected shutdown, no BSOD !

    I hope that i have found the guilty part ! I am not sure yet and i will see also today if the PC will close without the wifi adapter on it.Let me tell you something else concerning the adapter :

    The first day we got the PC, i installed Win7.Everything was working great but when i inserted the wireless adapter ( netgear ) , the system froze and also the 2 DVD roms were vanished from my computer and the device manager!I tested again the same thing was happening everytime i inserted the Wireless usb adapter.

    So i took the adapter to the store i bought the PC and told them it was faulty.They tested it on their PC and it was working fine with the same driver but on Windows 8 system. I told them that i was not going to install Win8 just for the wireless adapter and ask them to replace it with another.So they gave me another one from TP-Link this time.

    I inserted the new tp link wireless adapter and installed it's driver.No freeze this time but the dvd roms were vanishing again.So i decided to install Windows 8.With Windows 8, the dvdroms were not vanishing and at first everything was working fine.Then the BSODs started and here we are now.

    So can a wireless adapter produce such mess? Why both of the adapters are working good on other machines with the same drivers? Is there a conflict between the motherboard's drivers and the wireless usb adapter drivers? What is this Microsoft kernel driver in the wireless drivers section???
      My System SpecsSystem Spec

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Unexpected shutdowns on new desktop - Please help me!
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