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steve45321 asked on

Bluescreen ndis.sys windows 7

I just bought a new laptop hp pavilion dv6-2020ev with windows 7 premium home. Out of  nowhere the computer shuts down and restarts showing the blue screen that says DRIVER_IRQL_NOT_LESS_OR_EQUAL and the bottom it says ndis.sys and restart and goes through the process again, again and again...

I could not start safe mode with networking. It does the same thing as above, but I can start in safe mode and here are the problem details.

Problem signature:
Problem Event Name: BlueScreen
OS Version: 6.1.7600.
Locale ID: 11273

Additional information about the problem:
BCCode: d1
BCP1: 0000000000000010
BCP2: 0000000000000002
BCP3: 0000000000000000
BCP4: FFFFF8800205F5D6
OS Version: 6_1_7600
Service Pack: 0_0
Product: 768_1

Files that help describe the problem:

Please help, I want to enjoy my new laptop!!!
Found this helpful 3
Lava K replied on

Hi steve45321,  

Welcome to Microsoft Windows Vista Community site.  

This issue is mainly caused by the driver error which is installed for your LAN CARD / NIC (Network card)
The issue can be resolved by downloading and installing the latest drivers for the NIC from the manufacture’s website.  

Note: You might need to download the latest drivers in a different computer and install it in the computer where the issue is present, and you must boot to desktop with Safe Mode Option and install the latest drivers for the NIC 

Reference Link for how boot to desktop in Safe Mode.


Let me know if this worked.
Hope this is helpful. 

Vijay K - Microsoft Support
Visit our Microsoft Answers Feedback Forum and let us know what you think.

Found this helpful 1
Bishofbnw replied on



i have the same issue, have updated the drivers for the LAN and wireless LAN cards but the problem persists. For info the error screen reads:


Technical Information:

*** STOP: 0x000000D1 (0x0000000000000010,0x0000000000000002,0x0000000000000000,0xFFFFF880015115D6)

*** ndis.sys - Address FFFFF880015115d6 base at FFFFF880014E3000, DateStamp 4a5bc184

this is my father-in-laws laptop and the problems may have started when he tried to upgrade Norton 360. We have also rune the Norton removal tool to try to ensure there is no clash.

Any advice on next steps would be much appreciated.



Found this helpful 0
auggy replied on
MVP MCC: Content Creator


Can you zip up the minidump files in the C:\Windows\Minidump folder and make available (provide link) via Windows Live SkyDrive or similar site?

The following link has information on using Windows Live SkyDrive:

Found this helpful 0
ErichMoraga replied on



Windows 7 Professional 64-bit w/ latest drivers installed.
Found this helpful 1
auggy replied on
MVP MCC: Content Creator


Hi ErichMoraga.

The minidump file showed a DRIVER_IRQL_NOT_LESS_OR_EQUAL (d1) stop error caused by the teefer2.sys:

BUCKET_ID:  X64_0xD1_teefer2+6085

The teefer2.sys, which is dated Aug 16, 2010, is a Symantec Endpoint Protection driver.

Try updating Symantec Endpoint Protection  to the latest version and see if it helps.


Found this helpful 0
Ded_Tomsk replied on


Could you please check my file too? The same ndis.sys error.
Windows 7 Professional 64-bit w/ latest drivers installed.

Found this helpful 1
auggy replied on
MVP MCC: Content Creator


Hi Ded_Tomsk,

The minidump file showed a DRIVER_IRQL_NOT_LESS_OR_EQUAL (d1) referencing the netio.sys:

BUCKET_ID:  X64_0xD1_NETIO!NetioAllocateAndReferenceCloneNetBufferList+32

This type of error is often caused by third party filter drivers such as third party firewall drivers.

The process that crashed was the acs.exe:

 PROCESS_NAME:  acs.exe

The acs.exe appears to be an Outpost Firewall process.

So try uninstalling Outpost Firewall and see if the errors revolve.

Found this helpful 0
asshorn replied on
I'm sick and tired of having BSOD on my W7 laptop and I'd be pleased if you can investigate the correct reason for that cases https://www.sugarsync.com/pf/D7236469_762_679472042
Found this helpful 0
Ded_Tomsk replied on


Thanks, I deleted Outpost Firewall and all is fine now!
Found this helpful 0
auggy replied on
MVP MCC: Content Creator


You're welcome. Thanks for the follow-up.


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