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Windows 7: BSOD - Windows 7 Home Premium - BCCode a

18 Jan 2012   #1
tgwicklund

Windows 7 64 bit Home Premium and Professional
 
 
BSOD - Windows 7 Home Premium - BCCode a

I've been trying to fix this laptop. It's been blue screening for a while when it leaves sleep mode with a 1e error. I've also gotten Invalid Work Queue Item (00000096) blue screen. On a different user name I'm getting an IRQxxx message, didn't get it written down, each time I log in.

The latest is the following. Microsoft's "search for a fix" keeps giving me a Windows loader update KB article but then says I've already got the update installed.

The system is an HP Pavilion dv6-3225dx, Windows 7 Home Premium 64 bit, original OEM install, purchased last April. Core i3 processor, 4GB memory, 500GB disk. Windows Update says everything is up to date. I'm checking if the drivers are up to date, starting with third party, but that will take a while.

The last message from Windows gives the following blue screen. Since the number and frequency of problems is increasing I'd appreciate any help possible. System information attached per the posting instructions.

Thanks in advance for any suggestions.


Problem signature:
Problem Event Name: BlueScreen
OS Version: 6.1.7601.2.1.0.768.3
Locale ID: 1033

Additional information about the problem:
BCCode: a
BCP1: 00000000000000DC
BCP2: 0000000000000002
BCP3: 0000000000000001
BCP4: FFFFF80002EC8AB5
OS Version: 6_1_7601
Service Pack: 1_0
Product: 768_1

Files that help describe the problem:
C:\Windows\Minidump\011712-112570-01.dmp
C:\Users\kat\AppData\Local\Temp\WER-234859-0.sysdata.xml


My System SpecsSystem Spec
.
18 Jan 2012   #2
JMH

Win 7 Ultimate 64-bit. SP1.
 
 

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



> > >
I note you have Symantec which is a frequent cause of BSOD's.
I would remove and replace it with Microsoft Security Essentials AT LEAST TO TEST

http://us.norton.com/support/kb/web_...080710133834EN


Microsoft Security Essentials - Free Antivirus for Windows
My System SpecsSystem Spec
18 Jan 2012   #3
tgwicklund

Windows 7 64 bit Home Premium and Professional
 
 

Thanks for the quick reply. My impression has been it's a driver issue so I'm hoping I can sort it out without start over re-installing Windows, etc.
My System SpecsSystem Spec
.

18 Jan 2012   #4
JMH

Win 7 Ultimate 64-bit. SP1.
 
 

You are welcome.

My System SpecsSystem Spec
Reply

 BSOD - Windows 7 Home Premium - BCCode a




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