Win7 Blue Screen!

hey! ive been using win7 for almost half a year now, and never had ANY problems until recently when ive started getting some totally random blue screens. i saved the crash info from one of the crashes:

Problem signature:
Problem Event Name: BlueScreen
OS Version: 6.1.7600.
Locale ID: 1044

Additional information about the problem:
BCCode: 4e
BCP1: 0000000000000007
BCP2: 000000000013D493
BCP3: 0000000000000001
BCP4: 0000000000000000
OS Version: 6_1_7600
Service Pack: 0_0
Product: 256_1

Files that help describe the problem:

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i have no idea what this means, and i tried to google it, but no luck in finding the same.

thanks in advance :)
2 answers Last reply
More about win7 blue screen
  1. Quite often a BSoD indicates bad RAM.
    Suggest you try removing all the RAM and booting with one strip at a time.
    Swap out the strips until you have booted with all the strips individually.
    One of the strips might behave different than the others.
    Chances are that's your bad boy.

    Good Luck
  2. Bug Check 0x4E: PFN_LIST_CORRUPT

    The PFN_LIST_CORRUPT bug check has a value of 0x0000004E. This indicates that the page frame number (PFN) list is corrupted.


    This error is typically caused by a driver passing a bad memory descriptor list. For example, the driver might have called MmUnlockPages twice with the same list.


    Run through the following steps and see if the issue is resolved.

    1. Update all major drivers loaded in your system. Video, Sound, Network, and Chipset are the 4 big ones.
    2. As Gandalf suggested, you may have bad RAM. I'm going to disagree with his method though, and say that you should Download, burn, and boot from Memtest86+ to test your ram. Let it run through at least 2 passes (let it go overnight). If no errors are detected, move on.
    3. Download a copy of the Ultimate Boot CD ( and run some of the integrated hard drive diagnostics, as you may be in the early stages of drive failure.

    If none of these solve the problem, post back and we will see what else we can come up with.
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