1.    14 May 2017 #1
    Join Date : Aug 2015
    Posts : 51
    Windows 10 Home (64-bit)

    Random freezes and BSOD crashes with code MEMORY MANAGEMENT


    My laptop has lately been suffering from random hard-freezes without any error messages or logs (I have to force-shutdown)

    But in between those freezes, it has given me 2 BSOD's before, both having the code MEMORY MANAGEMENT. I did find a minidump file from the latest one only. (Both this and the necessary DM Log I have attached)

    Lenovo has in the preceded months given multiple driver updates specifically for this notebook, but it did not resolve anything, in fact the freezes have been more common.

    MEMORY MANAGEMENT has something to do with RAM I see, but running sfc /scannow or Windows' built-in mdsched.exe RAM checker reported no flaws so far.

    Thank you in advance!
      My ComputerSystem Spec
  2.    15 May 2017 #2
    Join Date : Nov 2015
    Posts : 2,867
    64bit Win 10 Pro ver 1709 Build 16299.64

    Analysing the dump files is almost impossible at the moment due to problems on Microsoft's servers. In the meantime, please fill in your system specs and if you suspect memory problems run the diagnostic below:




    Random freezes and BSOD crashes with code MEMORY MANAGEMENT Diagnostic Test Random freezes and BSOD crashes with code MEMORY MANAGEMENT
     RAM TEST

    Run MemTest86+ to analyse your RAM. MemTest86+ - Test RAM - Windows 10 Forums

    Note   Note


    MemTest86+ needs to be run for at least 8 complete passes for conclusive results. Set it running before you go to bed and leave it overnight. We're looking for zero errors here. Even a single error will indicate RAM failure.


    Make a photo of the result and post it.

    Addition:
    If errors show up you can stop the test, remove all sticks but 1 and test this single stick in each slot for 8 passes or until errors show, switch sticks and repeat.
      My ComputersSystem Spec
  3.    15 May 2017 #3
    Join Date : Aug 2015
    Posts : 51
    Windows 10 Home (64-bit)
    Thread Starter

    I have set up a USB stick with Memtest86 program installed on it, but the BIOS boot menu doesn't detect it.

    I'm following this tutorial, since the laptop is a Lenovo Z50-70.
    (I don't understand why they tell you to Load the default settings before exiting)
    How to boot from USB disk under Windows 8, Windows 10 - Idea/Lenovo laptops
      My ComputerSystem Spec
  4.    15 May 2017 #4
    Join Date : May 2017
    Posts : 12
    windows 10 ver 1703 ( os 15063.296 )

    Quote Originally Posted by Sonar637 View Post
    I have set up a USB stick with Memtest86 program installed on it, but the BIOS boot menu doesn't detect it.

    I'm following this tutorial, since the laptop is a Lenovo Z50-70.
    (I don't understand why they tell you to Load the default settings before exiting)
    How to boot from USB disk under Windows 8, Windows 10 - Idea/Lenovo laptops

    hi about memory management we have both same problem

    try to use this version of memtest : MemTest86 - Offical Site of the x86 Memory Testing Tool
      My ComputerSystem Spec
  5.    15 May 2017 #5
    Join Date : Nov 2015
    Posts : 2,867
    64bit Win 10 Pro ver 1709 Build 16299.64

    Quote Originally Posted by Sonar637 View Post
    I have set up a USB stick with Memtest86 program installed on it, but the BIOS boot menu doesn't detect it.

    I'm following this tutorial, since the laptop is a Lenovo Z50-70.
    (I don't understand why they tell you to Load the default settings before exiting)
    How to boot from USB disk under Windows 8, Windows 10 - Idea/Lenovo laptops
    The procedure is correct, you need to set to Other OS so that the system will allow you to boot from the USB. Loading the default settings should simply ensure that all the other settings are optimised.

    After this you should be able to select the USB stick from the boot menu.
      My ComputersSystem Spec
  6.    17 May 2017 #6
    Join Date : Aug 2015
    Posts : 51
    Windows 10 Home (64-bit)
    Thread Starter

    Ok, I managed to get it working.
    It performed 9 tests on the sole 8 GB RAM slot I have. 9 passes, no errors. So RAM is not faulty after all..

    So, what is the next step in investigating the BSODs and random freezes?
      My ComputerSystem Spec
  7.    17 May 2017 #7
    Join Date : Nov 2015
    Posts : 2,867
    64bit Win 10 Pro ver 1709 Build 16299.64

    As mentioned in my earlier post there is a problem that is preventing us using the WinDBG tool for BSOD analysis. All I can suggest is you provide as much info about your system as possible in case it triggers any ideas.

    System Specs - Fill in at Ten Forums
      My ComputersSystem Spec
  8.    17 May 2017 #8
    Join Date : Aug 2015
    Posts : 51
    Windows 10 Home (64-bit)
    Thread Starter

    Doesn't tenforums have a .zip file that contained a program which collects system specs? Because there is not exactly much to tell about a Notebook specific specs (namely its PSU or keyboard et cetera), other than it's a Lenovo Z50-70 (which is also the name of the motherboard obviously), running on Win10 64-bit (version 1703) with built-in hardware:

    CPU: Intel i7-4510U @ 2.00 GHz
    GPU: Hybrid of Intel HD Graphics and NVIDIA GeForce 840M 1920x1080
    SoundCard: Connexant HD Audio
    BIOS: UEFI (Lenovo's firmware version 0.91)

    Driver versions are all the latest that Lenovo has offered for this notebook, found here:
    pcsupport.lenovo.com/products/laptops-and-netbooks/lenovo-z-series-laptops/lenovo-z50-70
    Drivers & software tab, Windows 10 64-bit versions.
      My ComputerSystem Spec
  9.    17 May 2017 #9
    Join Date : Nov 2015
    Posts : 2,867
    64bit Win 10 Pro ver 1709 Build 16299.64

    But having your specs filled in on the My Computer section that shows up on all your posts means that we do not have to go back to the log file everytime to look up what your system is. It just makes our task a little easier, we are all volunteers and anything that saves us time is helpful.
      My ComputersSystem Spec
  10.    18 May 2017 #10
    Join Date : Aug 2015
    Posts : 51
    Windows 10 Home (64-bit)
    Thread Starter

    Very well, I have filled in all the specs I could. (Sorry for the delay)
      My ComputerSystem Spec

 


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