Windows 7 IRQL_NOT_LESS_OR_EQUAL halmacpi.dll

Tun1

Member
Joined
Oct 27, 2015
Dear All,

Good day to you.

I am using Lenovo X240 Windows 7 Pro 32 bits.
Recently i am having BSOD "IRQL_NOT_LESS_OR_EQUAL halmacpi.dll".
Please advise me the solution for this BSOD problem.
I attached the minidump file for reference.

Thanks in advance.
 

Attachments

  • 101415-19546-01.dmp
    148.3 KB · Views: 415
Code:
*******************************************************************************
*                                                                             *
*                        Bugcheck Analysis                                    *
*                                                                             *
*******************************************************************************

Use !analyze -v to get detailed debugging information.

BugCheck A, {404, 2, 1, 8340471e}

*** WARNING: Unable to verify timestamp for NETwsn02.sys
*** ERROR: Module load completed but symbols could not be loaded for NETwsn02.sys
Probably caused by : vwififlt.sys ( vwififlt!FilterSendNetBufferListsComplete+d2 )

Followup: MachineOwner
Hi,
the above Bugcheck is usually caused by drivers (especially if they've recently been updated), system service or Bios. The driver named as a probable cause is the windows virtual wifi driver although I can also see that your Intel WiFi driver was involved also.
Try updating the Intel WiFi driver from the Lenovo support site:
http://support.lenovo.com/us/en/pro...books/thinkpad-x-series-laptops/thinkpad-x240
If you already updated this driver recently then try rolling back to the previous driver.

I'm also unfamiliar with your AV client and if the bsod continues try removing to test. Install MSE in it's place as this is ultra stable (you can always re-install later).

Let's check on Windows files by running the system file checker. Open the start menu, find command prompt, right click on it and run as admin. Type:
sfc /scannow
Press enter and await results.

Please post any new dump files.
 
Hi Kemical,

Thanks for your prompt action.
I will try as your advice and get back to you when encounter BSOD again.
 
I think the issue is resolved Emily, see the op's last post.
 
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