Ndis.sys BSOD

We need to see some more info in order to suggest you the appropriate steps. So upload your MSINFO32.nfo file.

1. Click on the start button
2. Type "msinfo32" (without quotes) in the search bar of the start menu, click the resulting link. It will open the System Information window.
3. File>Save. In the "File Name" filed, put "MSINFO32" (without Quote), give the save location to desktop, and click the "save" button.
4. Give the time for processing, it will save a .nfo file on your desktop.
5. Zip it, and upload it following the instruction.

It is apparent that the network driver is failing, and the driver is of 2009. That driver (athr.sys) is used by various devices including Atheros, TP Link and Dell wireless. So, we need to see the MSINFO.nfo file.

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Code:

BugCheck D1, {4, 2, 0, 87ac65cc}

Unable to load image \SystemRoot\system32\DRIVERS\athr.sys, Win32 error 0n2
*** WARNING: Unable to verify timestamp for athr.sys
*** ERROR: Module load completed but symbols could not be loaded for athr.sys
Probably caused by : athr.sys ( athr+3a5c1 )

Followup: MachineOwner
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Code:

a8e0d000 a8f1d000   athr     T (no symbols)           
    Loaded symbol image file: athr.sys
    Image path: \SystemRoot\system32\DRIVERS\athr.sys
    Image name: athr.sys
    Timestamp:        Tue Jun 09 23:34:52 2009 (4A2EA444)
    CheckSum:         0011A043
    ImageSize:        00110000
    Translations:     0000.04b0 0000.04e4 0409.04b0 0409.04e4