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Windows 7: BSOD sometimes when playing games , but always when watching Twitch

04 Sep 2015   #1

Windows 7 Ultimate x64
BSOD sometimes when playing games , but always when watching Twitch

Let's start with my PC specs:

MOBO: Dell 0ry007
CPU: Intel Core 2 Duo E8500 @ 3.16 GHz
GPU: Gigabyte Geforce GTX 750 TI OC 2 Gb
RAM: 4x1 Gb of Geil DDR2-800
Storage: 1x WD Black 500GB and 1x Kingston SSDNOW V300 120 Gb
PSU: Antec Basiq 450W

So i made quite a bit of troubleshooting.

First i tried my RAM memory sticks to see if they are faulty.I tested them with Windows Memory Diagnostic first and got no problems, then I tried MemTest 86 (ran for 2 hours) and i got the same result: No problems.

Then I checked my SSD (on that i have the OS) with chkdsk /f - got 0 errors ,then tried sfc /scannow - got 0 problems, and then tried CrystalDisk - got a 100% healthy SSD and a Good HDD

Then I thought my PSU fails (at that moment i had the original ACbel 300 W) and changed with this Antec Basiq 450 W.

Then I tried the GPU and here are some question marks (??????????).I ran furmark 5 times (4 times ran for 30 minutes and 1 time for 1 hour) with Xtreme Burn-In setting, 8xMSAA and max resolution (1440x900) and the card run at 62C average temperature and never crashed ,just the fans got louder,which is normal.But here is the thing sometimes i get BSOD's caused by dxgmms1.sys and nvlddmkm.sys ,so DirectX and Nvidia Driver.

Tested the CPU with prime 95 and nothing happened also tested with Furmark -CPU Burn and nothing happened aswell but the temperature was 65-68C which is a bit HOT but the CPU can handle it.

Motherboard I have no idea sincerly.

Bugchecks are : page_fault_in_nonpaged_area , driver_irql_not_less_or_equal and apc_index_mismatch caused by win32k.sys , ntoskrnl.sys, dxgmms1.sys and nvlddmkm.sys

I get the BSOD's when i play games but not too often, although I get them always when I'm watching Twitch Streams at Source quality

There you go folks. I ran out of ideas honestly .

Below are the Minidumps but unfortunately in the past 12 days my system stopped saving the dumps and i uploaded a photo to show you my settings in case of system crash .

My System SpecsSystem Spec
05 Sep 2015   #2

Desk1 7 Home Prem / Desk2 10 Pro / Main lap Asus ROG 10 Pro 2 laptop Toshiba 7 Pro Asus P2520 7 & 10

Ok mate now I only see those dump files you see and apart from the NVidia one nvlddmkm.sys which I am guessing you have tried playing with the drivers the others are really non specific and need further digging around.
I like to start with the ruddy obvious and simple stuff so please run these< if necessary include the /f and /r in the command line as per Option2 >in safe mode if need be

then these

ADW download from bleepingcomputer delete any rubbish found with the malware scans

NB If anyone is runningKaspersky security it may rant about ADW - just ignore it or disable it for awhile
then this

Using HW Info
You can test the volts on the PSU with HW Info
HWiNFO, HWiNFO32/64 - Download < download the right bit version and close the right handwindow select Sensors and scroll down to the power section where you will seewhat the volts are doing see my pic. Now the section you want will be labeled -for example Asus boards usually have "Nuvoton" and Gigabyte boards"ITE" in any case the section you want will have Vbatt or VBAT in it(dead give away)
The original right hand window shows the machine running and is handy for thatbut for looking at the components in some detail close it and use the main lefthand side panel
Open each small square with + in it on the section the components are in andthen click on the individual component/s (it will highlight in blue) - in theright hand side will appear all sorts of details including brands speeds andother essential info that particular device. See pic for example.

Run PART A: and post back what you find
My System SpecsSystem Spec
05 Sep 2015   #3

Windows 7 Ultimate x64

I will try the things you sent me there but as far as I know my PC has no malware or viruses .I scanned yesterday with avast and malwarebytes.

And with HWINFO I will try it when I get home in about 2-3 hours,but I remember is a weird temperature somwhere on the motherboard.I will give more info later, but as far as I know right now that temp is 85C from start and it gets just to 90C if i stress him.Got 2 new BSOD's as well both when running twitch for a little time so i'll post them too.
It seems like this PC has something with twitch ,in games BSOD's are less but are still there.

But the problem is limiting to motherboard , CPU( the chance would be like 5% or less ,never Oc'ed) and maybe GPU ...monday i'll give my GPU to a friend and he will give me his and we will run twitch to see if the video card is the problem.
My System SpecsSystem Spec

05 Sep 2015   #4

Windows 7 Ultimate x64

I got home finally and rescanned all and got 0 problems in every scan. The HDD on this is like 2 months old and the SSD is 3 months old so i got those chkdsk /r and /f and as expected no problems.

Downloaded HWiNFO and got those temperatures and volts. I don't know much about those voltages but 3.3V,5V and 12V rails are fine from what I see. My PSU is 1 week old and is replacing my ACbel which i had previously.That temperature on the Motherboard...... I checked with my hand the NorthBridge and it's nowhere near 80C...

I got 2 BSOD's 2 and one has been caused by ctaud2k ,so it's my soundcard which is 9 years old or so and i just unninstalled all the drivers from it and changed to the onboard sound. The second has ACPI.sys,ntoskrnl.sys and some weird thing named Wdco1.dl. So the dumps are below both BSOD's happened on 4 september
My System SpecsSystem Spec
06 Sep 2015   #5

Windows 7 Ultimate x64

My System SpecsSystem Spec
06 Sep 2015   #6

Desk1 7 Home Prem / Desk2 10 Pro / Main lap Asus ROG 10 Pro 2 laptop Toshiba 7 Pro Asus P2520 7 & 10

Sorry mate late reply had to go offline yesterday. The volts all look ok butif for any reason you need to reset the BIOS it doesn't matter the CMOS batteryis a tad under volts but for the current set up it doesn't matter.

The temp on the motherboard is quite alarming though and is worth doublechecking with Speccy in case HW Info has misread it

The dumps I cannot open that last one it is telling me it is corrupted the ntoskrnl.sys as you will know - anything is possible for a cause and I cannot find any reference to that Wdco1.dll - that is a weird one.

Look I might ask for some help on this one mate as that Wdco1.dll is beyond me.
My System SpecsSystem Spec
07 Sep 2015   #7

Windows 7 Ultimate x64

On Speccy it doesn't even show that temp..... just the first one and it's 40C.
On that Wdco1.dll i have no idea..... even google doesn't have an idea. So I have again new BSOD errors that i will upload.

Something interesting is that now whenever i run prime95, after 5 minutes the PC completely freezes and the image stays on the screen forever.No sign of BSOD here.The temps on the CPU's are staying around 64-66C so I don't see heat being the problem.

But the BSOD information is just not enough...... and i don't think posting them helps to solve the problem too much. It's something deeper than that.

Oh and why under GPU stress test from FURMARK the CPU is running with 1 core at 100% and with the other at 0%.... it doesnt make sense

And it's Wdco1.dl. not Wdco1.dll it seems which it's very bizzare
My System SpecsSystem Spec
07 Sep 2015   #8

Desk1 7 Home Prem / Desk2 10 Pro / Main lap Asus ROG 10 Pro 2 laptop Toshiba 7 Pro Asus P2520 7 & 10

Hmm Valentin then it is very weird indeed because I took that file as a .dll library hence my quoting it what the heck .dl is I have no idea of at all.

Stranger still is why Speccy isn't giving any temps apart from that one and that you are having problems running anything to me points toward a problem with the CPU and the GPU .

Now another way of getting to the temps should be the BIOS if you open that it should tell you there what CPU temp is at least. Some other options are these I have only ever run the Core Temp one the others I haven't but am guessing they are ok as I found them quoted in another forum
  1. Realtemp.
  2. CPU thermomether.
  3. Core Temp
Give them try anyway bit it should be in the BIOS because most softwares for finding the temps get the info from the BIOS - I stand to be corrected of course.
My System SpecsSystem Spec
07 Sep 2015   #9

Windows 7 Ultimate x64

Ok luckily i have the original CPU of the PC ......The Grand Intel Pentium Dual Core E2160 ,do you think i should buy some thermal compound and fire him up?

When i had this bad boy ...I never had any problems, just that the computer ran a little bit slower

But speccy is giving me all the temps i clicked on the Motherboard that's why.

Why the RAM is rated at 398 MHz when is clocked at 800 MHz
My System SpecsSystem Spec
07 Sep 2015   #10

Desk1 7 Home Prem / Desk2 10 Pro / Main lap Asus ROG 10 Pro 2 laptop Toshiba 7 Pro Asus P2520 7 & 10

Ok mate now can I ask why was the faster (much faster) and better spec's CPU replaced with what is a far inferior unit??
Look at these specs and you will see the speed of the E2160 CPU is whole lot slower and the L2 cache is well out of whack no wonder it ran slower.
ARK | Intel® Coreā„¢2 Duo Processor E8500 (6M Cache, 3.16 GHz, 1333 MHz FSB)

ARK | Intel® Pentium® Processor E2160 (1M Cache, 1.80 GHz, 800 MHz FSB)

To me it would be no brainer to use the E2160 against the E8500. But I would first like to know why it was swapped out - any reason?
My System SpecsSystem Spec

 BSOD sometimes when playing games , but always when watching Twitch

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