BSOD BCCode 50. freezes in normal mode, works fine in safe mode

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  1. Posts : 7
    Windows 7 Home Premium 64bit
       #1

    BSOD BCCode 50. freezes in normal mode, works fine in safe mode


    laptop has been randomly freezing. cursor disappears no keyboard function. only thing to do is manual shutdown.

    Now getting a BSOD error 50.

    any help?
      My Computer


  2. Arc
    Posts : 35,373
    Microsoft Windows 10 Pro Insider Preview 64-bit
       #2

    Code:
    BugCheck 50, {fffff80040f9e3b0, 1, fffff80000b9a1aa, 5}
    
    *** WARNING: Unable to verify timestamp for ntoskrnl.exe
    *** ERROR: Module load completed but symbols could not be loaded for ntoskrnl.exe
    
    Could not read faulting driver name
    Probably caused by : ntoskrnl.exe ( nt_fffff80000b95000+51aa )
    
    Followup: MachineOwner
    ---------
    Your crash dumps are not showing any finite probable cause. In such a situation, it is better to enable Driver Verifier to monitor the drivers.
    Driver Verifier - Enable and Disable
    Run Driver Verifier for 24 hours or the occurrence of the next crash, whichever is earlier.

       Information
    Why Driver Verifier:
    It puts a stress on the drivers, ans so it makes the unstable drivers crash. Hopefully the driver that crashes is recorded in the memory dump.

    How Can we know that DV is enabled:
    It will make the system bit of slow, laggy.

       Warning
    Before enabling DV, make it sure that you have earlier System restore points made in your computer. You can check it easily by using CCleaner looking at Tools > System Restore.

    If there is no points, make a System Restore Point manually before enabling DV.

       Tip



    Let us know the results, with the subsequent crash dumps, if any.
      My Computer


  3. Posts : 7
    Windows 7 Home Premium 64bit
    Thread Starter
       #3

    ok will run drive verifier after creating a back up of my data. keeps crashing while trying to image
      My Computer


  4. Posts : 7
    Windows 7 Home Premium 64bit
    Thread Starter
       #4

    I ran verifier. BSOD & laptop freezing.

    disabled verifier. now SF diagnostic tool will not work. immediately after clicking run as administrator get error message it has stopped working. Problem event Name: CLR20r3

    deleted and reinstalled SF diagnostic tool. same result
      My Computer


  5. Arc
    Posts : 35,373
    Microsoft Windows 10 Pro Insider Preview 64-bit
       #5

    Try the option two of BSOD posting instructions.
      My Computer


  6. Posts : 7
    Windows 7 Home Premium 64bit
    Thread Starter
       #6

    Here are the SF debug files

    also ran Memtest86

    11 passes no errors
      My Computer


  7. Arc
    Posts : 35,373
    Microsoft Windows 10 Pro Insider Preview 64-bit
       #7

    Install Service pack 1 and all other windows updates. Otherwise the system will remain vulnerable to threats.
    Code:
    Windows 7 Kernel Version 7600 MP (2 procs) Free x64
    Product: WinNt, suite: TerminalServer SingleUserTS Personal
    Built by: 7600.17273.amd64fre.win7_gdr.130318-1532
    Learn how to install Windows 7 Service Pack 1 (SP1)
    Service Pack and Update Center - Microsoft Windows

    Report back for any further BSOD.
      My Computer


  8. Posts : 7
    Windows 7 Home Premium 64bit
    Thread Starter
       #8

    Tried to update to SP1

    It gets as far as rebooting then to a screen that has a grey box in left hand corner that says "Loading personal settings"

    then BSOD error 50 ntoskrnl.exe

    then loops to the same thing again
      My Computer


  9. Arc
    Posts : 35,373
    Microsoft Windows 10 Pro Insider Preview 64-bit
       #9

    Boot into Advanced Boot Options > Safe mode with networking. Then update to SP1.
      My Computer


  10. Posts : 7
    Windows 7 Home Premium 64bit
    Thread Starter
       #10

    same problem in safe mode
      My Computer


 
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