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Windows 7: BSOD at random, inconsistent error codes

27 Feb 2012   #11

Windows 7 Professional SP1 x64

Sorry for the delay. It has been busy for me as uni has just started again.

A couple of days ago I tried booting with NOTHING attached except the monitor. It ran fine and I left it idle for several hours, and it did not crash. However, I feel this doesn't say a lot, as it was idle the whole time.

Then, tonight I tried with nothing attached except the monitor, ethernet cable, and an old PS/2 mouse and PS/2 keyboard. After a little while gaming, it crashed.

The usual info is attached. The latest crash is from tonight with the PS/2 keyboard and mouse.

I recall now that when I first installed the logitech keyboard (around the time the BSODs started, I can't be sure whether it was actually beforehand or not) I had to update the BIOS to get it to work... I am running the latest BIOS, but could this be the problem?

Thanks again for all your help. Any ideas on where to go from here? Should I try finding the old BIOS?

My System SpecsSystem Spec
02 Mar 2012   #12

Windows 7 Ultimate x64/Windows 8 Consumer Preview x64/Ubuntu 11.04

Switch the cables around and remove the Ethernet cable. See if there's any USB ports you can use without your computer crashing.
My System SpecsSystem Spec
03 Mar 2012   #13

Win 7 Ultimate 64-bit. SP1.


* The DMP dated 27th still shows AVG as being installed.

AVG can be a contributing cause of BSOD'S .
Please remove and replace with Microsoft Security Essentials AT LEAST TO TEST

Download tools and utilities | AVG Worldwide

Microsoft Security Essentials - Free Antivirus for Windows

* These crashes were caused by memory corruption/exception (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!!!

If you have Raid update its Driver.

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+

Driver verifier

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.

So, I'd suggest that you first backup your stuff 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).

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 "Special Pool", "Force Pending I/O Requests" and "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.

Reboot into Windows (after the crash) and turn off Driver Verifier by going back in and selecting "Delete existing settings" on the first page, then locate and zip up the memory dump file and upload it with your next post.

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.
My System SpecsSystem Spec

21 Jul 2012   #14

Windows 7 64-bit Ultimate

If you haven't already solved your problem try this:
1) get a new hard drive and re-install Windows and all updates.

See if that helps. I had a customers system do just as your system has. I tried all of the things you have including numerous hard drive testing software (including the one from the hard drive manuf.) and all tests showed fine!!! Go figure
So, as a last resort (and a gut feeling that the system problems all seem to mimic a bad HDD) I put a new hard drive in the system (using their existing SATA cable!), installed the OS and all updates, installed AVG 2012 Free and this system has been working flawlessly for the past 3 months!

Hope this helps.

My System SpecsSystem Spec

 BSOD at random, inconsistent error codes

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