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Windows 7: Win7 x64 BSODs - Dell L501X - Full diagnostics

30 Dec 2010   #1

Windows 7 Business x64
Win7 x64 BSODs - Dell L501X - Full diagnostics


I have been experiencing random BSODs on my 40 day old Dell L501X laptop. Original OEM Windows 7 Business 64bit install. i7 CPU, 6Gb RAM, 640Gb HDD, very few programs installed. The system has BSODed 7 times so far, with 3 happening in the last 2 days. It appears to be random: the system BSODed when I was using a web browser (Firefox), another time it crashed at 6am when no one was using it. No obvious pattern exists. Just mIRC, Firefox, Thunderbird, and TrueCrypt in use.

The BSODs always have the same basic details: 0x0000007f (0x0000000000000008, 0x0000000080050031, 0x00000000000006f8, 0xfffff8000327e09b)

It's always 7f, and the first two numbers are the same.

The system has passed several runs on Memtest86+. I've downloaded and run Dell's diagnostics disc. Memory test is fine. The quick test did hang once, and subsequently has been run many times without problems.

As per the BSOD posting guidelines, full system details are attached to this post.

I would very much appreciate help with this BSOD, as it makes the system awful to use (you never know when it's going to go dead) and Dell don't want to touch it as Dell diagnostic CD says it's fine.

Thank you

My System SpecsSystem Spec
30 Dec 2010   #2

Windows 10 Pro x64

Remove any McAfee/ZoneAlarm software and use MSE instead

McAfee removal tool
Zone Alarm removal tool

BugCheck 7F, {8, 80050031, 6f8, fffff80003280b15}

Probably caused by : NETIO.SYS ( NETIO!CompareSecurityContexts+6a )
The last 2 crashes were directly cause by a McAfee software


LAST_CONTROL_TRANSFER:  from fffff80003273ca9 to fffff80003274740
PROCESS_NAME:  mfefire.exe


LAST_CONTROL_TRANSFER:  from fffff80003277ca9 to fffff80003278740
My System SpecsSystem Spec
30 Dec 2010   #3

Windows 7 Business x64

Thank you for looking at the logs and your suggestions.

I am removing McAfee at the moment and will check to see if Dell also install ZoneAlarm by default (I don't think they do, but will check).

If the system doesn't BSOD with a 7f exception within the next few days it should be confirmation of the solution. I'll post a reply then.
My System SpecsSystem Spec

10 Jan 2011   #4

Windows 7 Business x64

No BSODs in the past two weeks, so looks like McAfee was solely responsible for causing problems.

The AV program causing problems is especially poor considering Dell installs it as standard on their new machines.

Thanks for your help.
My System SpecsSystem Spec

 Win7 x64 BSODs - Dell L501X - Full diagnostics

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