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Windows 7: BSOD ntoskrnl

07 Jan 2012   #1
gjrewerts

Window 7 Premium 64bit
 
 
BSOD ntoskrnl

I'm have crashs 1-3 times a day and I'm getting a 0x19,0x1e,0x7f,0x50,0x4E,0x4E,0x3b,0a reasons for crash so can't figure out what is wrong. HP all the tell me is to restore but that is a real pain and then I don't I still don't know what is wrong.


My System SpecsSystem Spec
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07 Jan 2012   #2
zigzag3143

Win 8 Release candidate 8400
 
 

Quote   Quote: Originally Posted by gjrewerts View Post
I'm have crashs 1-3 times a day and I'm getting a 0x19,0x1e,0x7f,0x50,0x4E,0x4E,0x3b,0a reasons for crash so can't figure out what is wrong. HP all the tell me is to restore but that is a real pain and then I don't I still don't know what is wrong.


These crashes were caused by memory corruption (probably a driver). Please run these two tests to verify your memory and find which driver is causing the problem.

If you are overclocking anything reset to default before running these tests.
In other words STOP!!!



1-Memtest.
Quote:
*Download a copy of Memtest86 and burn the ISO to a CD using Iso Recorder or another ISO burning program. Memtest86+ - Advanced Memory Diagnostic Tool

*Boot from the CD, and leave it running for at least 5 or 6 passes.

Just remember, any time Memtest reports errors, it can be either bad RAM or a bad motherboard slot.

Test the sticks individually, and if you find a good one, test it in all slots.

Any errors are indicative of a memory problem.

If a known good stick fails in a motherboard slot it is probably the slot.

RAM - Test with Memtest86+



2-Driver verifier

Quote:
Using Driver Verifier is an iffy proposition. Most times it'll crash and it'll tell you what the driver is. But sometimes it'll crash and won't tell you the driver. Other times it'll crash before you can log in to Windows. If you can't get to Safe Mode, then you'll have to resort to offline editing of the registry to disable Driver Verifier.

I'd suggest that you first backup your data and then make sure you've got access to another computer so you can contact us if problems arise. Then make a System Restore point (so you can restore the system using the Vista/Win7 Startup Repair feature).

In Windows 7 you can make a Startup Repair disk by going to Start....All Programs...Maintenance...Create a System Repair Disc - with Windows Vista you'll have to use your installation disk or the "Repair your computer" option at the top of the Safe Mode menu .

Then, here's the procedure:
- Go to Start and type in "verifier" (without the quotes) and press Enter
- Select "Create custom settings (for code developers)" and click "Next"
- Select "Select individual settings from a full list" and click "Next"
- Select everything EXCEPT FOR "Low Resource Simulation" and click "Next"
- Select "Select driver names from a list" and click "Next"
Then select all drivers NOT provided by Microsoft and click "Next"
- Select "Finish" on the next page.

Reboot the system and wait for it to crash to the Blue Screen. Continue to use your system normally, and if you know what causes the crash, do that repeatedly. The objective here is to get the system to crash because Driver Verifier is stressing the drivers out. If it doesn't crash for you, then let it run for at least 36 hours of continuous operation (an estimate on my part).

If you can't get into Windows because it crashes too soon, try it in Safe Mode.
If you can't get into Safe Mode, try using System Restore from your installation DVD to set the system back to the previous restore point that you created.
Driver Verifier - Enable and Disable


Further Reading
Using Driver Verifier to identify issues with Windows drivers for advanced users
My System SpecsSystem Spec
07 Jan 2012   #3
gjrewerts

Window 7 Premium 64bit
 
 

Add more files
My System SpecsSystem Spec
.

08 Jan 2012   #4
zigzag3143

Win 8 Release candidate 8400
 
 

Quote   Quote: Originally Posted by gjrewerts View Post
Add more files
Memtest results? Driver verifier?
My System SpecsSystem Spec
08 Jan 2012   #5
gjrewerts

Window 7 Premium 64bit
 
 

Ok I have run the Memtest86 for 20 hrs with 16 Passes with no errors so I think the memory is ok.
My System SpecsSystem Spec
08 Jan 2012   #6
gjrewerts

Window 7 Premium 64bit
 
 

I did the Driver verification and windows crashs immediately but doesn't tell me which driver is killing my system. How do I figure this out?
My System SpecsSystem Spec
09 Jan 2012   #7
gjrewerts

Window 7 Premium 64bit
 
 
BSOD debug

ZigZag3143 Thanks for your help at least your advice is getting me some were. How do I isolate which Driver is causing me problems Do I only enable one driver at a time in the Driver Verifier to isolate the one that is causeing me problems?
My System SpecsSystem Spec
09 Jan 2012   #8
zigzag3143

Win 8 Release candidate 8400
 
 

Quote   Quote: Originally Posted by gjrewerts View Post
I did the Driver verification and windows crashs immediately but doesn't tell me which driver is killing my system. How do I figure this out?
Upload the dmp file to us. We will figure it out
My System SpecsSystem Spec
09 Jan 2012   #9
gjrewerts

Window 7 Premium 64bit
 
 

What is the name of this dmp file and were would it be located?
My System SpecsSystem Spec
09 Jan 2012   #10
zigzag3143

Win 8 Release candidate 8400
 
 

Quote   Quote: Originally Posted by gjrewerts View Post
What is the name of this dmp file and were would it be located?



We do need the DMP file as it contains the only record of the sequence of events leading up to the crash, what drivers were loaded, and what was responsible.

If you are overclocking STOP

You may be able to get the DMP files without crashing by booting into safe mode (F8) with networking.

To enable us to assist you with your computer's BSOD symptoms, upload the contents of your "\Windows\Minidump" folder.

The procedure:
Quote:
* Copy the contents of \Windows\Minidump to another (temporary) location somewhere on your machine.
* Zip up the copy.
* Attach the ZIP archive to your post using the "paperclip" (file attachments) button.
*If the files are too large please upload them to a file sharing service like "Rapidshare" and put a link to them in your reply.

To ensure minidumps are enabled:
Quote:
* Go to Start, in the Search Box type: sysdm.cpl, press Enter.
* Under the Advanced tab, click on the Startup and Recovery Settings... button.
* Ensure that Automatically restart is unchecked.
* Under the Write Debugging Information header select Small memory dump (256 kB) in the dropdown box (the 256kb varies).
* Ensure that the Small Dump Directory is listed as %systemroot%\Minidump.
* OK your way out.
* Reboot if changes have been made.
My System SpecsSystem Spec
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 BSOD ntoskrnl




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