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Windows 7: Spontaneous reboots - NO BSOD

31 Dec 2012   #21
RustyCannon

Windows 7 Home Premium 64 bit
 
 

Since my last post, I've had two crashes - one un-witnessed and one witnessed (upon bootup this morning).

No .dmp file was produced.

Since I never see a BSOD, I kind of suspected this would happen. My crashes are hard and fast, just like a complete power failure within the machine. They occur whether running on the power adapter or battery.

So I believe my next step will be to do the hardware stress test. After that, I will try limiting what starts up at boot and slowly add programs back in.

Pauly, if you think I'm going about it wrong, please tell me how you'd do it. I'm not sure what you meant above by "Option 2, Step 2".


My System SpecsSystem Spec
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31 Dec 2012   #22
Pauly

Win7 Ultimate X64
 
 

I was referencing this tutorial Dump Files - Configure Windows to Create on BSOD which give many options/possibilities and meant the easiest way is option 2 step 2
My System SpecsSystem Spec
31 Dec 2012   #23
Pauly

Win7 Ultimate X64
 
 

Just had a reread of thread you mentioned windbg but you havent uploaded any dump files check your %sysroot%\windows\minidump folder for any and upload if there
My System SpecsSystem Spec
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31 Dec 2012   #24
RustyCannon

Windows 7 Home Premium 64 bit
 
 

Quote   Quote: Originally Posted by Pauly View Post
Just had a reread of thread you mentioned windbg but you havent uploaded any dump files check your %sysroot%\windows\minidump folder for any and upload if there
Pauly,
Earlier, you had pointed me to the BSOD Analysis - Getting Started thread.

So I had followed those instructions and no dump was produced when my machine crashed.

Now I've followed your Option 2, Step 2 instructions to produce a minidump. Will report to you whether or not a minidump is produced when the next crash occurs. I'm skeptical that anything will be produced since there is never a BSOD. The machine goes through a hard reboot sequence when it crashes.

I ran the hardware stress test suggested in the "BSOD Analysis - Getting Started" thread for about 3 hours earlier, while I was away from the computer. I saw nothing to indicate that any hardware failed.
My System SpecsSystem Spec
01 Jan 2013   #25
RustyCannon

Windows 7 Home Premium 64 bit
 
 

Still monitoring. No spontaneous reboots since yesterday morning.
My System SpecsSystem Spec
01 Jan 2013   #26
Pauly

Win7 Ultimate X64
 
 

I posted that link yesterday because you mentioned learning windbg so i assumed (incorrectly) that you had a dumpfile to look at

I still wonder if your easiest option is the clean boot we talked about before, that would remove everything from the startup routine and all non MS services.
If it were me i would do this and just use computer as normal to see how it goes, if you need to use something you turned off you will just have to start it manually each time you want to use it, heck it might even give you a better idea of whats causing the crashes ?!?
Heres the link again
Also have a read through this talks about clean boot and more
My System SpecsSystem Spec
01 Jan 2013   #27
RustyCannon

Windows 7 Home Premium 64 bit
 
 

Quote   Quote: Originally Posted by Pauly View Post
... I still wonder if your easiest option is the clean boot we talked about before, that would remove everything from the startup routine and all non MS services.

If it were me i would do this and just use computer as normal to see how it goes, if you need to use something you turned off you will just have to start it manually each time you want to use it, heck it might even give you a better idea of whats causing the crashes ?!?
I prefer having definitive diagnostics when possible, but it is looking like that may not be possible (if I can't produce anything to examine and diagnose, such as the minidump). For the time being, I'm waiting for a crash to see if the minidump will be produced when it crashes again.

If no minidump is produced, then I'll revert to your clean boot method. The trouble with the clean boot/add applications-in-as-you-need-them is that you still might not be able to get to the root of the problem. If you produce a crash while running an application or 2 or 3, you still can't definitively say what caused the crash.

I will read the links you provided. Thanks for your continued support. I truly appreciate it.
My System SpecsSystem Spec
01 Jan 2013   #28
Pauly

Win7 Ultimate X64
 
 

I know where your coming from i would be exactly the same if it where my machine

We have another option we havent discussed yet which is driver verifier, its a windows function that stresses drivers to try to force them to crash to make a faulty driver expose itself but this is only any good if a dump is produced afterwards and as they are not and we dont even know if it is a driver problem i have not suggested it yet, also verifier can be a pain in that if you do have a faulty driver turning it on can make your system unbootable and then its a pain to turn it off again as sometimes you have to do a restore just to get back to where you were if that makes sense.
Have a look at it and make your own mind up you sound like a pretty switched on guy so if you do think its something you would like to try make contingency plans before you start and make sure you have recovery options
Driver Verifier - Enable and Disable
My System SpecsSystem Spec
01 Jan 2013   #29
RustyCannon

Windows 7 Home Premium 64 bit
 
 

Aha! I just had a crash. The bad news: No minidump produced. The good news: I'm starting to see a pattern.

My network connection is wifi from a Linksys wireless access point. Since prior to the crashes that I had yesterday, I've had no network trouble. A few minutes ago, I was trying to use my iPod touch and noticed the network was down. Sure enough, the computer had crashed. Now, how can a network crash cause the computer to crash? I rebooted the WAP and then rebooted the computer. All is well.

Any ideas?

The iPod touch has been off the network since early yesterday morning. Bringing it back to connect through the WAP seems like it might be the impetus for this whole thing. I'll consult my networking guru and see if she has any insights.

But how does a network crash bring the Windows 7 computer down? I guess I could disable the wireless network adapter in the ASUS laptop and connect a USB wireless device to see if that makes a difference. I can do that.
My System SpecsSystem Spec
05 Jan 2013   #30
RustyCannon

Windows 7 Home Premium 64 bit
 
 

Well, so much for relating the crashes to the network... at least for now. Have had several crashes that I cannot relate to any network problem. So now I've tried a clean boot. My plan was to see how it ran before adding any programs back in and while I was typing this, it just did a reboot. I was running task manager. I also noticed that my ESET Smart Security was running. I'll try shutting that off and just using the Microsoft firewall and antivirus.
My System SpecsSystem Spec
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 Spontaneous reboots - NO BSOD




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