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Windows 7: Occasional Kernel 41 crashes but always in memory disgnostic

28 Sep 2011   #1
gsullymorgan

WIn 7 Ultimate x32
 
 
Occasional Kernel 41 crashes but always in memory disgnostic

I've been running Win 7 Ultimate Retail happily for over a year on this PC.

I started getting occasional crashes a few weeks ago, no BSOD just a complete and sudden restart. It started getting more and more frequent until it always crashed during startup.

BUT, it worked fine in safe mode - no crashes even after running for days.

I tried removing various drivers etc. to no avail so I decided to give up and do a clean install.

While doing this I decided I might as well upgrade the 256gb HD to a 1Tb drive which I did.

All went well but checking the system out after the install I found that it crashed during Windows Memory Diagnostic. It's fine with Memtest86.

I dug around the web and found references to a graphic error (it's on the mobo) so I put in a HD5450 (I now have a DVI connection to the monitor) and changed the BIOS etc.

Still the crash in Memdiag, and one apparently random crash too. More digging and I see that the original power supply at 305W is a bit weak so I've put in a GX 550W supply.

Still the crash in Memdiag and another in the middle of the night while it was just switched on with no programs running.

The event viewer
shows

-System
-Provider[ Name] Microsoft-Windows-Kernel-Power[ Guid] {331C3B3A-2005-44C2-AC5E-77220C37D6B4}
EventID41Version2Level1Task63Opcode0Keywords0x8000000000000002-TimeCreated[ SystemTime] 2011-09-28T00:09:06.869223500Z
EventRecordID9328Correlation-Execution[ ProcessID] 4[ ThreadID] 8
ChannelSystemComputerGM_DELL_APR06-Security[ UserID] S-1-5-18

-EventData
BugcheckCode0BugcheckParameter10x0BugcheckParameter20x0BugcheckParameter30x0BugcheckParameter40x0SleepInProgressfalsePowerButtonTimestamp0

It's a Dell Dimension 5150 2.8GHz with 3Gb memory.

I'll be grateful for any ideas. TIA.


My System SpecsSystem Spec
.
28 Sep 2011   #2
panais

Windows 7 Ultimate 64bit SP1
 
 

Hi gsullymorgan welcome to SF


You dont have any minidump in your folders.

To enable minidump please read this,

Copy\paste this >---> sysdm.cpl in the start search,then click in the appeared sysdm.cpl
Click on 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.
Ensure that the Small Dump Directory is listed as %systemroot%\Minidump
Click OK twice to exit the dialogs, then reboot for the changes to take effect.
Now we must wait for a new crash\bsod to occur.
After the new crash\bsod run again the http://www.sevenforums.com/crashes-d...tructions.html
And upload again here the new folders.
My System SpecsSystem Spec
28 Sep 2011   #3
gsullymorgan

WIn 7 Ultimate x32
 
 

Thanks, I've done that. I was only offered a 128kb dump so I chose that.

I generated a crash by running by running memory diagnostic again.

Looking at the files I don't have any kernel dump files, just the following.


28/09/2011 11:52:12.04
28/09/2011 11:52:12.04


LISTING OF MINI KERNEL DUMP FILES
LISTING OF MINI KERNEL DUMP FILES





_______________________________________________________

28/09/2011 11:52:12.10
28/09/2011 11:52:12.10


FULL KERNEL DUMP FILE
FULL KERNEL DUMP FILE


Volume in drive C has no label.
Volume Serial Number is 068C-EDC9
Directory of C:\Windows


I noticed when running the exe that the first message is a 'path not found'.
My System SpecsSystem Spec
.

28 Sep 2011   #4
panais

Windows 7 Ultimate 64bit SP1
 
 

Please try to run RAM - Test with Memtest86+ leave it to run overnight if possible.
My System SpecsSystem Spec
29 Sep 2011   #5
gsullymorgan

WIn 7 Ultimate x32
 
 

I seem to have had an occasional (1 or 2) crash in the upper memory part of test 8 while other runs are OK.
My System SpecsSystem Spec
29 Sep 2011   #6
panais

Windows 7 Ultimate 64bit SP1
 
 

It seems that you have faulty hardware (ram).

In your specs i can see 3gb.

How many sticks of ram you have?
My System SpecsSystem Spec
03 Oct 2011   #7
gsullymorgan

WIn 7 Ultimate x32
 
 

I have 3gb made up of 2 x 1gb and 2 x 512gb (the original memory).

I ran Memtest86+ on each of the 1gb in slot 1 over the weekend. 36 hours and 24 hours. No errors.

I put both in again, slot 1 and slot 2 and ran the test for 2 passes this morning. No errors.

I then tried Windows Memory Diagnostic again twice. Both times it crashed at 15%.

I noticed that after the memdiag crashes, although the keyboard was working it seemed as if the mouse had to reinstall again (USB port?) and didn't respond for over 10 minutes.
My System SpecsSystem Spec
04 Oct 2011   #8
gsullymorgan

WIn 7 Ultimate x32
 
 

I've now run Memtest86+ for 15 hours against the two 1Gb sticks with no errors but it still crashes at 15% in Windows Memory Diagnostic.

Any ideas please?
My System SpecsSystem Spec
04 Oct 2011   #9
gsullymorgan

WIn 7 Ultimate x32
 
 

Interestingly if I run Windows Memory Diagnostic against either 1Gb in Slot A it completes OK.

Is this possibly a Slot B problem?
My System SpecsSystem Spec
07 Oct 2011   #10
gsullymorgan

WIn 7 Ultimate x32
 
 

Still plugging away at this.

I put another 2 x 1Gb in slots 3 and 4 and now memtest86+ crashes out soon after starting and there are random crashes while the machine is running.

Is this a memory, slot or CPU problem?
My System SpecsSystem Spec
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 Occasional Kernel 41 crashes but always in memory disgnostic




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