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

Its DEL C:\pagefile.sys if you are not already on the C: drive... if you are on the C: drive then the prompt need to be C:> and issue the command. Its possible the file has already been deleted or the drive has an error which prevents normal access and operation. See if these help - boot with a Windows disk (repair disk ok) and issue these from the Command Prompt and hit ENTER after each. C: bootrec /fixmbr bootrec /fixboot bootrec /scanos bootrec /rebuildbcd How to repair MBR on Windows 7 http://www.ehow.com/how\_4836283\_repair-mbr-windows.html How To: Repair And Restore Windows Vista Master Boot Record (MBR) http://www.tomstricks.com/how-to-repair-and-restore-windows-vista-master-boot-record-mbr/ This KB tells how to use /FixMbr and /FixBoot and other options How to use the Bootrec.exe tool in the Windows Recovery Environment to troubleshoot and repair startup issues in Windows. This also applied to Windows 7 http://support.microsoft.com/kb/927392 Using EasyBCD often works when other methods do not. Recovering the Vista or Windows 7 Bootloader from the DVD http://neosmart.net/wiki/display/EBCD/Recovering+the+Vista+Bootloader+from+the+DVD Recovering the Vista Bootloader with EasyBCD (Windows 7) http://neosmart.net/wiki/display/EBCD/Recovering+the+Vista+Bootloader+with+EasyBCD Repairing the Windows Vista Bootloader (Windows 7) http://neosmart.net/wiki/display/EBCD/Repairing+the+Windows+Vista+Bootloader If those help then run StartUp Repair twice - run once and then reboot and run again. How to Run a Startup Repair in Windows 7 http://www.sevenforums.com/tutorials/681-startup-repair.html Hope this helps. Rob Brown - Microsoft MVP <- profile - Windows Expert - Consumer : Bicycle - Mark Twain said it right.

Hey Rob~ ok... wanted to sleep but cant... sry...was trying to make a joke about it (hoping to maybe make myself feel a lil' better! didnt help! :-) seriously... I know where to look... its not there! when i entered the command C:\del pagefile.sys ... it puts a line just under it saying Could not find C:\pagefile.sys thinking I prolly shouldnt trust the Geek Squad disk... I did create and utilize a new Windows 7 64Bit repair disk! I dunno man... the file is just not there! In the interest of clarity, Im going to start over again utilizing my newly created repair disk... try a Startup Repair, System Restore and run an extended Memory Diagnostic... though I dont think it will make any diference. Whats making this problem truly challenging is that I cant get the system to operate in any safe mode, so... much of the troubleshooting that many sources are suggesting isnt possible! ehhh... I'll do all these tests again anyway and then do some surfing and see what I can find... Im also hoping ASUS responds with some valuable tech support. I'll post any new developments~ Ra

Hi, The instructions there tell you to boot with an Windows 7 disk, either Installation or Repair disk, and use the COMMAND PROMPT to del the pagefile.sys Enter these commands - hit Enter after each. DIR C:\pagefile.sys (this should show pagefile.sys) DEL C:\pagefile.sys Follow the rest of the instructions at that link as well as checking the rest of the troubleshooter. Hope this helps. Rob Brown - Microsoft MVP <- profile - Windows Expert - Consumer : Bicycle - Mark Twain said it right.

I checked C: ... not there C:\windows ... not there C:\windows\system32 ... not there maybe im too tired er too sober?

yeah.... no joy yet. ...tried Repair... says cant find problem ...tried Restore... does whole process and has same error after reboot was just reviewing the BCC code link for D1..... http://www.faultwire.com/solutions-fatal_error/DRIVER-IRQL-NOT-LESS-OR-EQUAL-0x000000D1-*1210.html?order=votes it says del pagefile.sys in systems root dir.... well... i cant even find it! :-)

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

Locked Question. This question was migrated from the Microsoft Support Community. You can vote on whether it's helpful, but you can't add comments or replies or follow the question.

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42 answers

Anonymous

2011-02-21T11:04:26+00:00

Its

DEL C:\pagefile.sys if you are not already on the C: drive... if you are on the C: drive then

the prompt need to be C:> and issue the command.

Its possible the file has already been deleted or the drive has an error which prevents normal

access and operation.

See if these help - boot with a Windows disk (repair disk ok) and issue these from the Command

Prompt and hit ENTER after each.

C:

bootrec /fixmbr

bootrec /fixboot

bootrec /scanos

bootrec /rebuildbcd

How to repair MBR on Windows 7

http://www.ehow.com/how\_4836283\_repair-mbr-windows.html

How To: Repair And Restore Windows Vista Master Boot Record (MBR)

http://www.tomstricks.com/how-to-repair-and-restore-windows-vista-master-boot-record-mbr/

This KB tells how to use /FixMbr and /FixBoot and other options

How to use the Bootrec.exe tool in the Windows Recovery Environment to troubleshoot and repair

startup issues in Windows. This also applied to Windows 7

http://support.microsoft.com/kb/927392

Using EasyBCD often works when other methods do not.

Recovering the Vista or Windows 7 Bootloader from the DVD

http://neosmart.net/wiki/display/EBCD/Recovering+the+Vista+Bootloader+from+the+DVD

Recovering the Vista Bootloader with EasyBCD (Windows 7)

http://neosmart.net/wiki/display/EBCD/Recovering+the+Vista+Bootloader+with+EasyBCD

Repairing the Windows Vista Bootloader (Windows 7)

http://neosmart.net/wiki/display/EBCD/Repairing+the+Windows+Vista+Bootloader

If those help then run StartUp Repair twice - run once and then reboot and run again.

How to Run a Startup Repair in Windows 7

http://www.sevenforums.com/tutorials/681-startup-repair.html

Hope this helps.

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

2011-02-21T10:49:15+00:00

Hey Rob~

ok... wanted to sleep but cant...

sry...was trying to make a joke about it (hoping to maybe make myself feel a lil' better! didnt help! :-)

seriously... I know where to look... its not there! when i entered the command C:\del pagefile.sys ... it puts a line just under it saying Could not find C:\pagefile.sys

thinking I prolly shouldnt trust the Geek Squad disk... I did create and utilize a new Windows 7 64Bit repair disk! I dunno man... the file is just not there!

In the interest of clarity, Im going to start over again utilizing my newly created repair disk... try a Startup Repair, System Restore and run an extended Memory Diagnostic... though I dont think it will make any diference.

Whats making this problem truly challenging is that I cant get the system to operate in any safe mode, so... much of the troubleshooting that many sources are suggesting isnt possible! ehhh... I'll do all these tests again anyway and then do some surfing and see what I can find... Im also hoping ASUS responds with some valuable tech support.

I'll post any new developments~

Ra
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Anonymous

2011-02-21T07:31:56+00:00

Hi,

The instructions there tell you to boot with an Windows 7 disk, either Installation or Repair disk,

and use the COMMAND PROMPT to del the pagefile.sys

Enter these commands - hit Enter after each.

DIR C:\pagefile.sys

(this should show pagefile.sys)

DEL C:\pagefile.sys

Follow the rest of the instructions at that link as well as checking the rest of the troubleshooter.

Hope this helps.

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

2011-02-21T07:27:05+00:00

I checked

C: ... not there

C:\windows ... not there

C:\windows\system32 ... not there

maybe im too tired er too sober?
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Anonymous

2011-02-21T07:19:03+00:00

yeah.... no joy yet.

...tried Repair... says cant find problem

...tried Restore... does whole process and has same error after reboot

was just reviewing the BCC code link for D1.....

http://www.faultwire.com/solutions-fatal_error/DRIVER-IRQL-NOT-LESS-OR-EQUAL-0x000000D1-*1210.html?order=votes

it says del pagefile.sys in systems root dir.... well... i cant even find it! :-)
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