'Page fault in nonpaged area' in Vista service pack 2

By kugel · 5 replies
Nov 3, 2009
  1. any help on this would be greatly appreciated. Im on a dell studio 15 laptop, and I sometimes get this BSOD after pressing one of the touch-sensitive buttons on the laptop above the keyboard, almost always the 'eject cd' one. Here is the information:

    Problem signature:
    Problem Event Name: BlueScreen
    OS Version: 6.0.6002.
    Locale ID: 1033

    Additional information about the problem:
    BCCode: 50
    BCP1: FFFFFB58D50600AB
    BCP2: 0000000000000000
    BCP3: FFFFF80001F59EC8
    BCP4: 0000000000000007
    OS Version: 6_0_6002
    Service Pack: 2_0
    Product: 768_1

    Files that help describe the problem:

    any help on this would be greatly appreciated, the minidump is attached.
  2. Route44

    Route44 TechSpot Ambassador Posts: 11,970   +74

    Your error is 0x00000050: PAGE_FAULT_IN_NONPAGED_AREA
    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).

    Your minidump specifically cited corrupted memory as the issue. You will need to run Memteast on your RAM.

    See the link below and follow the instructions. There is a newer version than is listed but either one should work. If you need to see what the Memtest screen looks like go to reply #21. The third screen is the Memtest screen.

    Let it run for a LONG time. The rule is a minimum of 7 Passes; the more Passes after 7 so much the better. There are 8 individual tests per Pass. Many people will start this test before going to bed and check it the next day.

    If you have errors you have corrupted memory and it needs to be replaced.

    Also, with errors you need to run this test per stick of RAM. Take out one and run the test. Then take that one out and put the other in and run the test. If you start getting errors before 7 Passes you know that stick is corrupted and you don’t need to run the test any further on that stick.

    Link: https://www.techspot.com/vb/topic62524.html

    * Get back to us with the results.

    * Also, for future reference you do not need to individually zip minidumps. If you have only one or two attach as is.
  3. kugel

    kugel TS Rookie Topic Starter

    great, thanks so much, I really appreciate your reply. Ill run memtest ASAP, and get back to you.

    and I didn't know I could individually upload the dmp files, since it wasnt one of the extensions listed.

    out of curiosity, how can you read the dump files? Ive seen people respond to topics like these knowing exactly what the problem is, how do they do that?
  4. Route44

    Route44 TechSpot Ambassador Posts: 11,970   +74

    There is a tool designed by Microsoft called WinDebugger. It is this tool that can read minidumps.

    Minidumps are not large but they do contain information that requires training/education to understand it all. Nevertheless, it does give error codes and probable cause which is most helpful that anyone can understand.
  5. kugel

    kugel TS Rookie Topic Starter

    Bad news, ran memtest for 11 hours, 9 passes, no errors.

    where should I go from here?
  6. Route44

    Route44 TechSpot Ambassador Posts: 11,970   +74

    Well that isn't exactly bad news... ;) Give us your motherboard make and model and the amount, make, and type of RAM you have installed.

    Also, if you know how to access your BIOS check your RAM voltage setting against the manufacturer's designed specs.
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