BSOD caused by win32k.sys - confused about RAM problems

By patrickc284
Apr 23, 2006
  1. Hi, I've been getting BSODs every so often on my pc ever since I built it, but they have always been completely sporadic. Sometimes I wouldn't get any BSODs for a week or more, then I might have five in one day. The most recent one says the cause is probably win32k.sys after runng WinDbg. After Googling win32k.sys, I found that some other people found the solution to be a new stick of RAM, despite passing memtest.

    So far I've only run my two Corsair ValueSelect sticks (512mb) together. After 10 passes, it had no errors. I will run each stick seperately tonight (meanwhile: the minidump is attached).

    I am using:

    WinXP Pro SP2
    P4 3.0C H/T enabled (33C Idle, 46C Load)
    1GB (2x512) dual channel enabled DIMMs 1 & 3
    Abit IS-7 socket 478
    eVGA FX5500 256mb
    Audigy 2ZS Platinum
    Western Digital 80GB SATA150
    Rosewill RV450
    Samsung CD-RW/DVD

    Attached Files:

  2. howard_hopkinso

    howard_hopkinso TS Rookie Posts: 24,177   +19

    Hello and welcome to Techspot.

    It`s impossible to be sure of the culprit, from just one minidump.

    Zip 5 or 6 of your latest minidumps together and attach them here.

    Your minidump crashes at win32k.sys and has a bugcheck of 50.


    Requested data was not in memory. An invalid system memory address was referenced. Defective memory (including main memory, L2 RAM cache, video RAM) or incompatible software (including remote control and antivirus software) might cause this Stop message, as may other hardware problems (e.g., incorrect SCSI termination or a flawed PCI card).

    Memtest is a good programme. However, it is not perfect and some faulty ram can pass Memtest.

    Go HERE and follow the instructions.

    Regards Howard :wave: :wave:
  3. patrickc284

    patrickc284 TS Rookie Topic Starter Posts: 18

    Oh ok. I guess I'll have to wait until I get a few more. At this point I only have one in my minidump folder...not sure why.

    Yeah, I've been working from that thread the past couple days. We'll see what happens as my work continues. :)

    Testing with one stick in DIMM 3 had no errors after 9 passes. I only have to test the other stick by itself now.
  4. howard_hopkinso

    howard_hopkinso TS Rookie Posts: 24,177   +19

    Right click my computer and select properties. Click on the advanced tab. Under startup and recovery, click settings.

    In the write debugging information box, set the memory dump complete memory dump. Uncheck the box that says overwrite any existing file. Change the memory dump back to small memory dump (64KB). Click apply/ok.

    Regards Howard :)
  5. patrickc284

    patrickc284 TS Rookie Topic Starter Posts: 18

    Haha. I can't believe I didn't notice that. Wow.

    I checked the other stick of RAM, no errors on that one either after 9 passes. I used an eraser to clean off the fingers on each stick of RAM. We'll see what happens. If I get any more errors over the next few days, I'll post those minidumps. Until then I remain in computer support limbo. :)
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