original title: Another sad story of the dreaded BSOD... error: DRIVER_IRQL_NOT_LESS_OR_EQUAL ... Please advise as to best approach to remedy problem~ I guess it would be almost two weeks ago now that my wifes laptop first had the error (tech info line is as follows): iaStor.sys - Address FFFFF8800110BF2B base at FFFFF880010C1000, DateStamp 4a287aa4. The Laptop is a year old and has had no problems previously. I dont know all the specs but its an ASUS with an Intel Centrino and running Windows 7 OS. Here's what I have done so far: I tried to boot system in all SAFE modes ... no joy... same error~ I booted system with recovery CD and tried to to perform a restore from previous resore points (tried 3 previous dates so far) ... no joy ... same error~ (after reading previous posts of others with simular problems) I booted system with recovery/driver cd and renamed existing iaStor.sys to iaStor1.sys and, then copied iaStor.sys file from recovery/driver cd ... no joy... same error~ Submitting to my level of ignorance, I told my wife to take it Best Buy and have the Geek Squad Fix it... Knowing that she had purchased the extended warranty(costing $220), I thought it would certainly be covered! She reports them saying its not a harware problem, its a driver problem and it will cost $140 for them to fix it! She went on to tell me if we didnt have the warranty, the Geeks would chage $240, so we should feel better about that! lmao!!! we cant afford either ammount! Well the Geek in question may well be very computer savy but he is and idiot in securing company software as he left his diagnostic disk in my laptop. Lucky for him, I am an honest man and I wont go and sell Geek Squad software on the black market! *** Not wanting to loose any personal files existing, I have not completely reinstalled Windows 7... and I am really wanting to avoid that process (mostly, because figuring out how to copy everything without spending $$$ on an external is still baffling me!) I hope that you'all can walk me through the fix on this because I cant afford any other process to getting our laptop back on-line~ Thx in advance for your help, Ra USN ret

ok... I am running Vista on my desk top and the laptop is running win7. Am I correct in my understanding that I can make a system repair disk on my desktop (running Vista) that will work properly on my laptop (running Win7)? ... and yeah... I dont have the win7 Installation disk... I only have the ASUS Recovery disks~ if need be... my nieghbor is running Win7 and I can make a repair disk from her OS or I still have the Geek Squads disk which is also a boot disk!?

Hi, Try StartUp Repair from a Windows 7 Installation or Repair disk which often works when it does not from System Recovery or a Recovery Disk. If you don't have a Windows 7 Installation disk the System Maker will usually sell the disk cheap since you already own Windows. Also you can make a Repair Disk on any XP, Vista, or Windows 7 disk with a CD/DVD burner since the process does not use any files from the host computer. See the last link in the first troubleshooter I posted above. Hope this helps. Rob Brown - Microsoft MVP <- profile - Windows Expert - Consumer : Bicycle - Mark Twain said it right.

roger... heres the rub... i cant get the laptop to boot in safe mode now! getting blue screen after selecting any safe mode from the F8 menu utilizing my desktop... I have located the update in question and downloaded it. expanded the zip and copied it onto a cd. I think I know the answer but Ill ask to be sure... what procedure do I use to boot the laptop since it wont boot up in any safe mode utilizing the F8?

Hi, Please go back to the top of the first troubleshooter and try updating iastor.sys. Rob Brown - Microsoft MVP <- profile - Windows Expert - Consumer : Bicycle - Mark Twain said it right.

hey Rob wow... lots-0-info! I feel overwhelmed! ok... a new day and Im ready to dive in again and try to resolve this! Im starting over for clarity... prolly more for me than you! :-) Also. please bare with me as I have some dificulty in processing information these days and, tend to miss the obvious sometimes. The problem Im having is with the wifes laptop (which is running Windows 7) and I am communicating to you via my desktop (which is running Vista). I presently have no means of interconnecting the two computers so I am challenged with extracting more indepth information to repair the laptop. Heres what I have: ASUS U50A laptop 4G/500. 2 ea. CDs from ASUS: Windows 7 Recovery Media and Driver & Utility Ver 1.0 U50A. There have been no changes/new installs as of late and the only thing I can think could be a cause is that windows is set to auto update but, I really dont know. ======================= turn on the laptop... it processes and shows the windows startup screen... then shows the windows welcome screen... then it gets the blue screen with the following error: DRIVER_IRQL_NOT_LESS_OR_EQUAL *** STOP: 0x000000D1 (0xFFFFF9800274FC60, 0x0000000000000002, 0x0000000000000001, 0xFFFFF880012C04FF) *** iaStor.sys - Address FFFFF880012C04FF base at FFFFF8800126E000, DateStamp 4a287aa4 ======================= turn off and turn on again... pressing F8, get the Advanced Boot Options menu... select "Repair Your Computer"... get System Recovery Options window prompt thru to Choose a recovery tool... select Startup Repair...it starts searching for problems... then posts Startup Repair could not detect a problem. go back to System Recovery Options window and select Sytem Restore... shows most recent resore point as 2/17/2011 (thats interesting because system would not work 2 days ago... it hasnt worked for a few weeks now)... click on show more restore points. it shows a 2/2/2011 windows update and, prior to that is a 1/17/2011 Installed Network64. Prior to that are almost daily postings of windows updates. Im now wondering if this Network64 is what caused all this?

Blue Screen error: DRIVER_IRQL_NOT_LESS_OR_EQUAL

Anonymous

original title: Another sad story of the dreaded BSOD... error: DRIVER_IRQL_NOT_LESS_OR_EQUAL ... Please advise as to best approach to remedy problem~

I guess it would be almost two weeks ago now that my wifes laptop first had the error (tech info line is as follows):

iaStor.sys - Address FFFFF8800110BF2B base at FFFFF880010C1000, DateStamp 4a287aa4.

The Laptop is a year old and has had no problems previously. I dont know all the specs but its an ASUS with an Intel Centrino and running Windows 7 OS.

Here's what I have done so far:

I tried to boot system in all SAFE modes ... no joy... same error~
I booted system with recovery CD and tried to to perform a restore from previous resore points (tried 3 previous dates so far) ... no joy ... same error~
(after reading previous posts of others with simular problems) I booted system with recovery/driver cd and renamed existing iaStor.sys to iaStor1.sys and, then copied iaStor.sys file from recovery/driver cd ... no joy... same error~
Submitting to my level of ignorance, I told my wife to take it Best Buy and have the Geek Squad Fix it... Knowing that she had purchased the extended warranty(costing $220), I thought it would certainly be covered! She reports them saying its not a harware problem, its a driver problem and it will cost $140 for them to fix it! She went on to tell me if we didnt have the warranty, the Geeks would chage $240, so we should feel better about that! lmao!!! we cant afford either ammount! Well the Geek in question may well be very computer savy but he is and idiot in securing company software as he left his diagnostic disk in my laptop. Lucky for him, I am an honest man and I wont go and sell Geek Squad software on the black market!

*** Not wanting to loose any personal files existing, I have not completely reinstalled Windows 7... and I am really wanting to avoid that process (mostly, because figuring out how to copy everything without spending $$$ on an external is still baffling me!) I hope that you'all can walk me through the fix on this because I cant afford any other process to getting our laptop back on-line~

Thx in advance for your help,

USN ret

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42 answers

Anonymous

2011-02-19T22:58:33+00:00

ok... I am running Vista on my desk top and the laptop is running win7. Am I correct in my understanding that I can make a system repair disk on my desktop (running Vista) that will work properly on my laptop (running Win7)?

... and yeah... I dont have the win7 Installation disk... I only have the ASUS Recovery disks~

if need be... my nieghbor is running Win7 and I can make a repair disk from her OS or I still have the Geek Squads disk which is also a boot disk!?
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Anonymous

2011-02-19T21:47:37+00:00

Hi,

Try StartUp Repair from a Windows 7 Installation or Repair disk which often works when it does not

from System Recovery or a Recovery Disk. If you don't have a Windows 7 Installation disk the

System Maker will usually sell the disk cheap since you already own Windows. Also you can make

a Repair Disk on any XP, Vista, or Windows 7 disk with a CD/DVD burner since the process does

not use any files from the host computer. See the last link in the first troubleshooter I posted above.

Hope this helps.

Rob Brown - Microsoft MVP <- profile - Windows Expert - Consumer : Bicycle - Mark Twain said it right.
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Anonymous

2011-02-19T21:40:00+00:00

roger... heres the rub... i cant get the laptop to boot in safe mode now! getting blue screen after selecting any safe mode from the F8 menu

utilizing my desktop... I have located the update in question and downloaded it. expanded the zip and copied it onto a cd. I think I know the answer but Ill ask to be sure...

what procedure do I use to boot the laptop since it wont boot up in any safe mode utilizing the F8?
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Anonymous

2011-02-19T20:55:41+00:00

Hi,

Please go back to the top of the first troubleshooter and try updating iastor.sys.

Rob Brown - Microsoft MVP <- profile - Windows Expert - Consumer : Bicycle - Mark Twain said it right.
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Anonymous

2011-02-19T20:39:55+00:00

hey Rob

wow... lots-0-info! I feel overwhelmed! ok... a new day and Im ready to dive in again and try to resolve this! Im starting over for clarity... prolly more for me than you! :-) Also. please bare with me as I have some dificulty in processing information these days and, tend to miss the obvious sometimes.

The problem Im having is with the wifes laptop (which is running Windows 7) and I am communicating to you via my desktop (which is running Vista). I presently have no means of interconnecting the two computers so I am challenged with extracting more indepth information to repair the laptop.

Heres what I have: ASUS U50A laptop 4G/500. 2 ea. CDs from ASUS: Windows 7 Recovery Media and Driver & Utility Ver 1.0 U50A. There have been no changes/new installs as of late and the only thing I can think could be a cause is that windows is set to auto update but, I really dont know.

=======================

turn on the laptop... it processes and shows the windows startup screen... then shows the windows welcome screen... then it gets the blue screen with the following error:

DRIVER_IRQL_NOT_LESS_OR_EQUAL

*** STOP: 0x000000D1 (0xFFFFF9800274FC60, 0x0000000000000002, 0x0000000000000001, 0xFFFFF880012C04FF)

*** iaStor.sys - Address FFFFF880012C04FF base at FFFFF8800126E000, DateStamp 4a287aa4

=======================

turn off and turn on again... pressing F8, get the Advanced Boot Options menu... select "Repair Your Computer"... get System Recovery Options window prompt thru to Choose a recovery tool... select Startup Repair...it starts searching for problems... then posts Startup Repair could not detect a problem. go back to System Recovery Options window and select Sytem Restore... shows most recent resore point as 2/17/2011 (thats interesting because system would not work 2 days ago... it hasnt worked for a few weeks now)... click on show more restore points. it shows a 2/2/2011 windows update and, prior to that is a 1/17/2011 Installed Network64. Prior to that are almost daily postings of windows updates.

Im now wondering if this Network64 is what caused all this?
Was this answer helpful?

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