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Windows 7: Intermittent BSOD; 0x1e, 0x7e, 0x3b

01 Nov 2014   #1
SM125

Windows 7 Ultimate 64
 
 
Intermittent BSOD; 0x1e, 0x7e, 0x3b

Having to type quickly as crashes are random, so apologies for mistakes.

Removed programs commonly related to causing problems, updates graphics driver on APU, cant update wireless drivers as its discontinued (possible culprit?).

Crashes are very random, can be days between or a loop of 5 where I cant boot.

Any help will be greatly appreciated!

Latest .dmp's;

http://1drv.ms/1ugOfad


My System SpecsSystem Spec
.
01 Nov 2014   #2
Arc

Microsoft Community Contributor Award Recipient

Microsoft Windows 10 Pro Insider Preview 64-bit
 
 

Hi SM125.

Click on the button below ....

It will download the DM log collector. Right click on the application and run as administrator. It will generate a .zip file on your desktop. Upload the .zip.
Screenshots and Files - Upload and Post in Seven Forums
My System SpecsSystem Spec
01 Nov 2014   #3
SM125

Windows 7 Ultimate 64
 
 

Sorry for not uploading it correctly the first time, was trying to beat the next bluescreen.

Attachment 338977
My System SpecsSystem Spec
.

01 Nov 2014   #4
Arc

Microsoft Community Contributor Award Recipient

Microsoft Windows 10 Pro Insider Preview 64-bit
 
 

Multiple bugcheck codes, but points to memory corruption.
Code:
BugCheck 1E, {ffffffffc0000005, fffff800034a4061, 0, ffffffffffffffff}

Probably caused by : memory_corruption ( nt!MiUnlinkFreeOrZeroedPage+181 )

Followup: MachineOwner
---------
Code:
BugCheck 1000007E, {ffffffffc0000005, fffff800034ae061, fffff880009a9828, fffff880009a9080}

Probably caused by : memory_corruption ( nt!MiUnlinkFreeOrZeroedPage+181 )

Followup: MachineOwner
---------
Test your RAM modules for possible errors.
How to Test and Diagnose RAM Issues with Memtest86+
Run memtest86+ for at least 8 consecutive passes.

If it start showing errors/red lines, stop testing. A single error is enough to determine that something is going bad there.

Let us know the result.
My System SpecsSystem Spec
01 Nov 2014   #5
SM125

Windows 7 Ultimate 64
 
 

Forgot to add, a couple of days ago I ran Windows Memory Diagnostic with no errors, although I assume this isn't half as good of a test as memtest will be.

Also, just before your response I moved my single stick of RAM (which by the way, has a different brand name to what is labeled in cpu-z) to the only other slot, and it could not boot at all. Maybe a coincedence but I thought id add it just in case.

Will it be ok to run overnight or do I need to attend for any reason?

Thankyou!
My System SpecsSystem Spec
01 Nov 2014   #6
SM125

Windows 7 Ultimate 64
 
 

Downloaded Memtest86+ followed all the instructions but cannot get it to boot from the usb, i've changed the boot priority but its still not happening.

What have I missed?
My System SpecsSystem Spec
01 Nov 2014   #7
SM125

Windows 7 Ultimate 64
 
 

Ran memtest, left for 1 hour and 35 minutes, when I came back was greeted by 3458 errors (& 1 pass).

Figured there was no point continuing the test as there was obviously an issue.

So, does this almost certainly mean that the memory is behind all of the problems or are some of the crashes still caused by other things?

Thankyou very much for your help by the way, was close to losing patience with my pc!
My System SpecsSystem Spec
02 Nov 2014   #8
Arc

Microsoft Community Contributor Award Recipient

Microsoft Windows 10 Pro Insider Preview 64-bit
 
 

Quote   Quote: Originally Posted by SM125 View Post
Ran memtest, left for 1 hour and 35 minutes, when I came back was greeted by 3458 errors (& 1 pass).



So, does this almost certainly mean that the memory is behind all of the problems or are some of the crashes still caused by other things?
Yes, that is the question. We have to search for the answer to this question.

Now follow the "Part 3: If You Have Errors:" of How to Test and Diagnose RAM Issues with Memtest86+

Errors/red lines means one or more RAM is faulty. But the fault may occur due to a faulty DIMM slot, too, which is a motherboard component. Using memtest86+, you can discriminate between a faulty RAM and a faulty motherboard.

How? Say you have two RAM sticks and two DIMM slots. You obtained errors at the test with all RAM sticks installed. Now, remove all the sticks but one. Test it in all the available slots, one by one. Continue the same procedure for all the available sticks.
How to make the inference that is it a RAM issue or it is a motherboard issue? Suppose you have got the result like that:
testSlot1Slot2
RAM1ErrorError
RAM2GoodGood
It is a RAM, a bad RAM.

But if you have got a result like that:
testSlot1Slot2
RAM1ErrorGood
RAM2ErrorGood
It is a motherboard issue. The particular slot is bad.

So let us know the situation. We can decide our next step when the answer to the base question is known.
My System SpecsSystem Spec
02 Nov 2014   #9
SM125

Windows 7 Ultimate 64
 
 

The only problem is, when I bought this PC they only used 1x8GB of memory rather than the more preferable 2x4GB, so i'm stuck on what to do next as I have no spares.

Is there any other way we can test it or will it be down to just hoping it's the memory and buying a new kit?
My System SpecsSystem Spec
02 Nov 2014   #10
Arc

Microsoft Community Contributor Award Recipient

Microsoft Windows 10 Pro Insider Preview 64-bit
 
 

There should be multiple DIMM slots. Test the RAM stick in all the slots.
My System SpecsSystem Spec
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 Intermittent BSOD; 0x1e, 0x7e, 0x3b




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