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Windows 7 BSOD IRQL_NOT_LESS_OR_EQUAL

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February 5, 2011 7:06:08 PM

hi, im having blue screen on my computer when i shut down or restart it. not all the time, but i think 6 times already. my computer is kinda new. so im not really sure if the hardware is to blame. im getting the IRQL_NOT_LESS_OR_EQUAL in Windows 7 32-bit. anybody knows how to fix this?

my computer specs are ECS G41T-M6, Core 2 Duo E7500, GeForce GT240, 4GB DDR3 RAM, 500GB HDD, Windows 7 Ultimate 32-bit.
i already memtested my computer for about 3hrs. it didnt get any errors. i also changed my previous video card (HD 5550) to GT240. im still experiencing blue screen unexpectedly.

btw, my computer runs fine and i can use it like everyday. its just that, i dont wanna leave it unrepaired.
February 5, 2011 7:18:54 PM

When did it first start to happen? I would also suggest clearing out your old video drivers and installing the newest one. You can use driver sweeper to effectively clean out any remnants of old drivers. http://www.guru3d.com/category/driversweeper/
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a b $ Windows 7
February 5, 2011 10:02:17 PM

Hi there,

BSOD's are frustrating for everyone and many times difficult to find the cause. The BSOD IRQL_NOT_LESS_OR_EQUAL usually is from a hardware driver, or a hardware conflict. Next time you get the BSOD, look it over carefully. Take a screen shot of it with a digital camera to print out, It is divided into 4 parts. The last section sometimes lists a driver by name that could be causing the problem. If so, uninstall that driver and reinstall the latest driver from the manufacturer web site.

I agree, it is probabliy the video card driver. Download the latest video driver for the card you want to use. Then go to the device manager, and locate your present video card, go to properties, and you can uninstall the video driver. Once done, reboot, then install the latest video driver, and see it that fixes your problem.

A more tedious way to possibly ID the culprit, is to write down the memory address in the 4th section of the BSOD, that was involved with the stop error. The in the device manager, of your display adapter, see it that memory address in within the range assigned to the video card driver. Is so you know the that's it.

Hopes that helps
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February 5, 2011 11:37:41 PM

hi Alaskan_IT and John_VanKirk. i already downloaded the latest drivers for my computer

including the video card and the motherboard from their websites, still blue screens. i

bought my computer December 23rd, and then i experienced the first blue screen at the

25th of December and it started happening until now but in different days. (e.g december

25, january 2, january 15, january 26, january 31 etc) i replaced the HD 5550 to GT240

cause i thought it may be the one thats causing it. but still no luck here.

here's a photo of the blue screen im getting
http://img217.imageshack.us/img217/8274/bluscreenirqlno...
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a b $ Windows 7
February 5, 2011 11:45:52 PM

I've had that error screen before and it had nothing to do with my gpu.
I had a faulty ram module.
I would test your ram.
http://www.memtest.org/
Download and burn image to disc.
Boot from CD/DVD device in bios.
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February 6, 2011 12:08:43 AM

davcon said:
I've had that error screen before and it had nothing to do with my gpu.
I had a faulty ram module.
I would test your ram.
http://www.memtest.org/
Download and burn image to disc.
Boot from CD/DVD device in bios.


^that would be my next suggestion. But i would definitely download driver sweeper to remove any old drivers still left from previous installs of video drivers. Installing the new video driver is good, but if the old one is there still (and it probably is), it will cause problems. Also, remnants of the ATI driver and catalyst control center may still be on the machine. CCC has quite a few compatibility issues. So, yes, run Memtest86+, but also download driver sweeper, then boot safe mode, launch the program, then have it remove all the nvidia and ATI drivers. Then restart and install the newest nVidia driver.
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February 6, 2011 12:09:31 AM

Also, if it BSOD'd two days after you bought it, why not return it?
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February 6, 2011 1:17:20 AM

hi, like i said i already tested my ram using memtest. i had it running for about 3hrs
and it didnt get any errors. and i did not return it because i thought that i could fix
it by myself and maybe its not that big of a deal. after some research, some guys told
me that leaving blue screen errors unrepaired could damage your computer. that is why i
want it to be fixed.

some say that my motherboard could also be the problem. so i called the store where i
bought my rig, and asked if i could still return it and replace it to a different brand
(im targetting the Asus P5G41T-M LX). they said Yes but they said that it'll cost me
$25.

Price Differences:

ECS G41T-M6 - $50
ASUS P5G41T-M LX - $59

-------------------------

ok i'll try to run memtest again and try the driver sweeper and update you guys.
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February 6, 2011 1:43:33 AM

My mistake, I did not notice that you had already run memtest. It is possible that the issue is intermittent due to a bad sector on the HDD. If it is just a few bad sectors, then an intermittent BSOD is highly likely, as opposed to a constant one. If you haven't already, run chkdsk /r /f and see what happens. Also, what is the brand of the hard drive? I can find some diagnostics for you.

-What software did you install on the computer when you got it? what AV, firewall, etc...
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February 6, 2011 1:45:15 AM

chinoroy said:
hi, like i said i already tested my ram using memtest. i had it running for about 3hrs
and it didnt get any errors. and i did not return it because i thought that i could fix
it by myself and maybe its not that big of a deal. after some research, some guys told
me that leaving blue screen errors unrepaired could damage your computer. that is why i
want it to be fixed.

some say that my motherboard could also be the problem. so i called the store where i
bought my rig, and asked if i could still return it and replace it to a different brand
(im targetting the Asus P5G41T-M LX). they said Yes but they said that it'll cost me
$25.

Price Differences:

ECS G41T-M6 - $50
ASUS P5G41T-M LX - $59

-------------------------

ok i'll try to run memtest again and try the driver sweeper and update you guys.


I understand about the return thing. Sometimes it's more of a hassle to try and return something than to just deal with it or fix it. lol
- And that isnt a bad deal for the new mobo either. I have always been a fan a ASUS products. If you were to get a new board, are they going to replace it for you and re-install windows with the new drivers or just put the board in?
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February 6, 2011 3:16:04 AM

the hard drive is a 500GB Hitachi. my anti-virus is AVG 2011. the firewall is the
windows firewall. and i installed programs that i frequently use, and some games. im not
sure to replace my motherboard yet. i need to know the problem thats causing it first. i
dont wanna make mistakes.. i just wanna be contented.

i think they're only responsible for the motherboard. so i will be the one to reinstall
the drivers. do i also need to reinstall the OS if i got a new board?
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February 6, 2011 4:12:32 AM

You don't HAVE to, you just need to install the proper motherboard drivers. But, with a new board, especially a different one, it is reccomended to do a fresh install. It will probably save you some headache in the long run.

It may be AVG causing the issue. Having trouble shutting down a service possibly. I would either disable it or uninstall it and install a different AV ( Avast or Microsoft Sec. Essentials.)

Give chkdsk a try first.

For Hitachi, you can use Drive Fitness Test (DFT). http://www.hitachigst.com/support/downloads/#DFT

download the CD image and burn the iso. Then boot off the DVD drive. It is pretty easy to run the Diag from there. Run the long test, not the short one.
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a b $ Windows 7
February 6, 2011 11:19:41 AM

Hi again,

If this is a commercial new computer purchased just before Xmas, and you began having BSOD screens 2 days later, it's either a hardware defect or driver defect.

I would take it back and get a new one and hopefully be done with the BSOD. Unusual to see BSOD on Win-7 computers.

The BSOD won't physically harm your computer, they are just system stop errors that can't be recovered.

Academically, you might try two other things if you really wan't to know if this is a driver or installed software issue. You probably installed several programs just after you purchased the machine. So you could run the restore disk to place the computer back just the way it was at time of purchase without any end user installed programs or windows update patches, and see if you still get a BSOD. If so, it goes back for sure.

Other thing is to take the memory address of the offending resource, in your case Ox 834198B3, and check the resource tab in the device manager (hardware manager) for address ranges of several hardware items are using, and if this mem address fall within one of the ranges, that is the offending product.

Either way, when a BSOD occurs, you have to reboot your computer, and may lose data you were working on, or even end up with a corrupt open file, which is not cool, so I'd replace the machine.

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February 6, 2011 6:59:22 PM

Alaskan_IT said:
You don't HAVE to, you just need to install the proper motherboard drivers. But, with a new board, especially a different one, it is reccomended to do a fresh install. It will probably save you some headache in the long run.

It may be AVG causing the issue. Having trouble shutting down a service possibly. I would either disable it or uninstall it and install a different AV ( Avast or Microsoft Sec. Essentials.)

Give chkdsk a try first.

For Hitachi, you can use Drive Fitness Test (DFT). http://www.hitachigst.com/support/downloads/#DFT

download the CD image and burn the iso. Then boot off the DVD drive. It is pretty easy to run the Diag from there. Run the long test, not the short one.


hi, i ran the check disk, no bad sectors and eveything. can i ask why would be the AVG involve thats causing it? i've been using it for my entire life and i had no problems using it before in my other computer using windows xp. no BSOD's, no crashes.
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February 6, 2011 7:05:45 PM

Try replacing your RAM sticks or removing one of them?
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February 6, 2011 7:15:06 PM

John_VanKirk said:
Hi again,

If this is a commercial new computer purchased just before Xmas, and you began having BSOD screens 2 days later, it's either a hardware defect or driver defect.

I would take it back and get a new one and hopefully be done with the BSOD. Unusual to see BSOD on Win-7 computers.

The BSOD won't physically harm your computer, they are just system stop errors that can't be recovered.

Academically, you might try two other things if you really wan't to know if this is a driver or installed software issue. You probably installed several programs just after you purchased the machine. So you could run the restore disk to place the computer back just the way it was at time of purchase without any end user installed programs or windows update patches, and see if you still get a BSOD. If so, it goes back for sure.

Other thing is to take the memory address of the offending resource, in your case Ox 834198B3, and check the resource tab in the device manager (hardware manager) for address ranges of several hardware items are using, and if this mem address fall within one of the ranges, that is the offending product.

Either way, when a BSOD occurs, you have to reboot your computer, and may lose data you were working on, or even end up with a corrupt open file, which is not cool, so I'd replace the machine.


hi there, yes i would also do the same and return almost all of it and be replaced to a new ones or different brand. i'll do everything just to get it fixed. but im hesitating cause of the additional cost. plus i dont really trust them that much cause i had an experience they gave me a broken product. and sometimes they recommend the expensive but not-so-good products.
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February 6, 2011 7:23:39 PM

chinoroy said:
hi, i ran the check disk, no bad sectors and eveything. can i ask why would be the AVG involve thats causing it? i've been using it for my entire life and i had no problems using it before in my other computer using windows xp. no BSOD's, no crashes.


As far as AVG causing issues, you are now using it on a different OS with a different combination of software. Also, AVs are constanlty updating and with as many variations of PCs, drivers, etc... it is hard for any company to make their software completely compatible with every other piece of software/drivers. Also, I would still suggest running the Hitachi Drive Fitness Test.

- And if you are not against it, you can format and reinstall your OS. If it happens after that and you don't install any software, then it has been narrowed down to a hardware issue.l
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February 6, 2011 7:39:05 PM

I agree with the others, AVG could be your problem.

I have seen a lot of people online having BSOD's related to AVG.
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February 6, 2011 7:43:06 PM

edmond419 said:
Try replacing your RAM sticks or removing one of them?


hi do you think its the memory? i have 2x 2GB DDR3 1333MHz Kingston while my motherboard only supports DDR3 1066MHz.
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February 6, 2011 7:46:46 PM

Alaskan_IT said:
As far as AVG causing issues, you are now using it on a different OS with a different combination of software. Also, AVs are constanlty updating and with as many variations of PCs, drivers, etc... it is hard for any company to make their software completely compatible with every other piece of software/drivers. Also, I would still suggest running the Hitachi Drive Fitness Test.

- And if you are not against it, you can format and reinstall your OS. If it happens after that and you don't install any software, then it has been narrowed down to a hardware issue.l


ok i'll try it either. thanks. i'll still update you guys for the result.
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February 6, 2011 8:02:53 PM

if AVG is the problem. should i uninstall it or just disable it under msconfig --> startup?
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a b $ Windows 7
February 6, 2011 8:19:22 PM

all this guess work is a load of crap

TEST YOUR HARDWARE FIRST
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February 6, 2011 9:00:41 PM

apache_lives said:
all this guess work is a load of crap

TEST YOUR HARDWARE FIRST

He already ran memtest an I have suggestd that he run drive fitness test (for a hitachi HDD) and a few other possibilities along with it that may eliminate the issue. The suggestions were things that commonly cause this BSOD. I'm not just yelling out random components and software.
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February 6, 2011 11:58:47 PM

hi guys. my dad also uses AVG on his computer (Windows 7). he said that he doesn't experience blue screens using the AVG. so i think its something else.
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February 7, 2011 1:21:07 AM

halmacpi.dll
Ntfs.sys
ntoskrnl.exe
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February 7, 2011 3:00:33 AM

Quote:
Ok its your ram. Go into the bios. take it of 1T
the Command Rate of 1T is too aggressive. Change it to 2T. This should fix it.

thanks! does that mean that my ram is defective? or do i just need to change some

settings? is it also because my motherboard only supports 1066MHz and i have a more

clocked memory? DDR3 1333MHz.

also how do i change the 1T 2T thing?

these are the only listed options i have in my bios:
*DRAM FREQUENCY - Auto
*Configure DRAM Timing by SPD - Enabled
*Memory Remap Feature - Enabled
*HPET - Enabled
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February 9, 2011 12:22:58 PM

hi there. the DRAM FREQUENCY is set to AUTO in default. when i set it to manual, the only options i get is Auto, 800MHz and 1066MHz. there's no command rate settings to change. i tried changing the DRAM FREQ to 800MHz but it didn't boot up. is there any way to change the command rate? my motherboard's bios lack's at tweaking stuff.
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February 10, 2011 8:24:44 PM

ok thanks everyone. if i still get the prob, i'll be in touch.
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February 21, 2011 1:55:47 AM

hi guys. looks like the blue screen is finally cured after a registry repair. today is the 21st day of no blue screen errors. i hope its totally gone. thanks!!
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a b $ Windows 7
February 21, 2011 2:32:52 PM

While it didn't in your case, AVG can and does cause blue screens... usually after a set of Windows updates comes through. I've seen it more than once, and it can be a pain in the ass. General rule is if you can boot into safe mode and everything seems to run fine, then software / driver is causing your issue. If you get blue screens in safe mode, then your hardware becomes suspect.
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February 25, 2011 8:02:14 AM

yeah thanks also zoron. but i think its gone now. (hopefully). i know that blue screen are traitors like i said. but the problem is that the blue screen i had doesn't appear while in use. it only appeared when Shuting down or Restarting the computer.
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February 25, 2011 8:09:40 AM

i've been testing out my computer like everyday and stress testing it. but the blue screen doesn't appear. so i think that even going to safe mode will not make any differences. if i cant make the error re-appear, then maybe its finally cured by the registry repair i did.
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March 19, 2011 2:50:14 AM

Hi, I'm also having the bsod IRQL_NOT_LESS_OR_EQUAL
I downloaded bluescreen review and the file in red is:
ntkrnlpa.exe


I usually experience this when I'm gaming.

Custom build:
Mobo : MSI 870-G45
cpu: AMD phenom II (Quard core 3.4 Ghz)
RAM: two 4GB sticks of G-Skill Ripjaws (DDR3 1600)
Vid Card: GTX 275 by EVGA

It bsods.. a LOT.
Need help!

Win7 32 only recognizes 3.25 GB of my RAM, could this be the main issue?
I just got an error from my last restart saying that my win7 isn't legal, but I KNOW it is..
I just purchased win7 64 bit, think that will help?
last bsod: 3/18/2011
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March 20, 2011 3:53:12 AM

Quote:
please open up a new thread so I can reply to it



just did.
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April 8, 2011 7:30:40 AM

problem solved. i reformatted my computer and installed windows 7 64-bit. i installed the inf/chipset driver then it blue screens again (but don't worry). i reinstalled the inf/chipset driver then the blue screen is gone. hope this helps.
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June 11, 2011 6:29:45 AM

Hello everyone,
I am also facing the Blue Screen problem "irql_not_less_or_equal '
This is a brand new pc. When the problem occurs I completely formate my HDD. No OS, No Driver software is install. But still the problem happened.
I am trying to Install new OS, but I could't do this. the problem still going on ...

What can I do now??????/ please help me out .....
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October 9, 2011 6:28:31 AM

chinoroy said:
hi, im having blue screen on my computer when i shut down or restart it. not all the time, but i think 6 times already. my computer is kinda new. so im not really sure if the hardware is to blame. im getting the IRQL_NOT_LESS_OR_EQUAL in Windows 7 32-bit. anybody knows how to fix this?

my computer specs are ECS G41T-M6, Core 2 Duo E7500, GeForce GT240, 4GB DDR3 RAM, 500GB HDD, Windows 7 Ultimate 32-bit.
i already memtested my computer for about 3hrs. it didnt get any errors. i also changed my previous video card (HD 5550) to GT240. im still experiencing blue screen unexpectedly.

btw, my computer runs fine and i can use it like everyday. its just that, i dont wanna leave it unrepaired.


RE: Avast causing Blue Screens (BSs) I have had almost the same problem as you.
In my case the desktop was using W7 professional/64 and I upgraded from 12-24GB RAM and it turned out, to cut a long story short, that it was the free Avast anti virus application that was causing the the BSs. After having eliminated the newly installed RAM as the cause of the BS IRQL_NOT_LESS_OR_EQUAL with BCC code 0x0000....a was definitely Avast. In may case I was able to consistenly produce the BSs when I did the diagnostic test of the HomeGroup network.

I uninstalled Avast and reinstalled it and the computer worked OK for one day and on the next I again had the same problem with the same BSs. I have now uninstalled Avast again and I used the Avast cleanup tool (as the Window install/uninstall functon doesn't completely remove all Avast files and registry entries) to get rid of the application completely. By the way you need to run the cleanup tool in the safe mode.

I have now iinstalled the Microsoflt Security Essentials and I have not had a BS since.

Alpentruam
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February 13, 2012 12:43:36 PM

Many online site have free scan to repair this problem.. you may try this to solved your problem...
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a b $ Windows 7
February 13, 2012 2:34:30 PM

Enough bumping of posts...

In any case, IRQL_NOT_LESS_OR_EQUAL usually comes from one or two problems: RAM errors or Driver realated issues.
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February 18, 2012 1:17:24 PM

hey i just recently had a similar issue my pc is 1 week old self built specs are amd phenom IIx4, asus 550 ti, kingston 4gb RAM, asus m5a97 mobo, 500gb hdd, windows 7 home, the problem didnt start until i ran Star Wars: TOR for the first time. While display the character selection screen it went all jagged and distorted restarted the PC then i saw my first bsod, i am pretty sure i had the latest video drivers from nvidia 285. something but maybe I didnt. At this moment i restoring the system image and will proceed to re install all drivers. What sucks is that I will have to re download swtor to see if that was truly the issue. Any additional advice or help will be gladly appreciated.
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February 18, 2012 1:24:45 PM

after reading other forums i have realized one thing i didnt not do was a clean install, i am performing that step now while downloading the newest version. Hoping this fixes the problem.
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August 22, 2012 2:16:17 PM

I had the same BSOD error and after trying each of my sticks of ram individually and still having a problem, I finally uninstalled my video card driver and reinstalled..... fixed. my video card is old and it has probably had several drivers installed on top of each other by now. I will need to get a new video card in the near future (I have a 9600gt that I have put through the ringer) but at least for now I can play my highly modded COD4 games that are low on graphic needs but still lots of fun. cheers.
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September 30, 2012 12:34:09 PM

hey guys just wondering if anyone can help ive been getting thesame error and ran Memtest-86 and it came back with an astonomical amout of errors :/  what can i do ? its a clevo built by pc specialist with 3360M i5 @2.80Ghz, 8gb 1333Mhz ddr3 ram and a 240gb Kingston hyperx ssd :D 
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a b $ Windows 7
September 30, 2012 1:14:21 PM

This topic has been closed by Aford10
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