Random BSODs on old system, frequent & started only recently.


  1. Kiki2000
    Posts : 2
    Windows 7 Ultimate x86
       New #1

    Various BSOD


    A old ( 2007-ish ) system of mine has been getting frequent BSODs since a couple of weeks. The BSOD messages are mostly different each time and include "IRQL NOT LESS OR EQUAL", "PFN LIST CORRUPT" and "BAD POOL CALLED". Sometimes it will take a day or so before a BSOD appears, but after a reboot it usually doesn't take much time before the next one appears. I'm suspecting the PSU but perhaps it's the motherboard or something else entirely?
    Last edited by Kiki2000; 06 Mar 2015 at 05:15.
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  3. koolkat77
    Posts : 15,026
    Windows 10 Home 64Bit
       New #2

    How did you activate your copy of windows?
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  4. Kiki2000
    Posts : 2
    Windows 7 Ultimate x86
    Thread Starter
       New #3

    Turned out to be bad RAM. Swapped it out and it has been running fine since then :)
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