Windows failed to start after RAM upgrade

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  1. Posts : 194
    Win 7 Professional 64 bit
       #1

    Windows failed to start after RAM upgrade


    Hello

    So I installed another 4 gigs of RAM in my PC yesterday and also dusted the inside of the cabinet thoroughly. I started the PC and it worked fine.

    Today when starting up, windows failed to load and went into Start Up Repair, it couldn't find anything to repair for a long time and hence I just reset my PC and this time it started fine.

    I am just worried if this was because of a hardware failure, as in like the RAM I installed yesterday caused it or whether I rattled some parts while dusting it.

    How can I find out what caused the start up failure and troubleshoot it?

    Many thanks
      My Computer


  2. Posts : 1,519
    Windows 7 Ultimate 64-bit, Windows 8.1 64-bit, Mac OS X 10.10, Linux Mint 17, Windows 10 Pro TP
       #2

    The bad part of a single failed startup is it may not be reproducible. Did you run a memory test on the new modules? Memtest86+ - Advanced Memory Diagnostic Tool
    Did you pull the power cord out of the computer then press the power switch or wait a few minutes to let residual power drain off? Not doing so can cause damage when plugging new things onto the motherboard.
      My Computer


  3. Posts : 194
    Win 7 Professional 64 bit
    Thread Starter
       #3

    Thanks for your response Burton. I ran memtest as per your advice and after running it for nearly 2.5 hrs, I got the message

    **Pass complete, no errors**

    So I guess my RAMs are okay. Could this be the hard disk instead?

    I am thinking of getting an SSD to replace my 6 yr old HDD anyways

    Thanks
      My Computer


  4. Posts : 19,384
    Windows 10 Pro x64 ; Xubuntu x64
       #4

    probuddha said:
    Thanks for your response Burton. I ran memtest as per your advice and after running it for nearly 2.5 hrs, I got the message

    **Pass complete, no errors**

    So I guess my RAMs are okay.
    Thanks
    You MUST run MemTest86+ for a minimum of 8 passes - no less - for a thorough test of RAM
      My Computer


  5. Posts : 194
    Win 7 Professional 64 bit
    Thread Starter
       #5

    Golden said:
    You MUST run MemTest86+ for a minimum of 8 passes - no less - for a thorough test of RAM
    I see..so I think the best would be to let it run overnite

    Will do this tonite and get back with the results


    Thanks a lot
      My Computer


  6. Posts : 19,384
    Windows 10 Pro x64 ; Xubuntu x64
       #6

    probuddha said:
    Golden said:
    You MUST run MemTest86+ for a minimum of 8 passes - no less - for a thorough test of RAM
    I see..so I think the best would be to let it run overnite
    Correct
      My Computer


  7. Posts : 194
    Win 7 Professional 64 bit
    Thread Starter
       #7

    Just for clarification, the memtest86+ can run and detect RAM issues on a 64bit computer as well, right?
      My Computer


  8. Posts : 194
    Win 7 Professional 64 bit
    Thread Starter
       #8

    Errors and Logs following a failed windows startup


    Also before I run the extensive RAM test tonite, I'd like to tell you that when I tried to start my PC about 40 mins back, it went into startup repair again and couldn't find anything to repair. I then rebooted the PC and just after the Windows Logo, it rebooted again and installed a bunch of updates.

    After then I went to see the logs in Event Viewer and following are the errors that showed up under "system" since the time I started my PC this evening (listed in descending order)



    The computer has rebooted from a bugcheck. The bugcheck was: 0x00000124 (0x0000000000000000, 0xfffffa80079f38f8, 0x0000000000000000, 0x0000000000000000). A dump was saved in: C:\Windows\Minidump\101514-94739-01.dmp. Report Id: 101514-94739-01.
    The system has rebooted without cleanly shutting down first. This error could be caused if the system stopped responding, crashed, or lost power unexpectedly.
    A timeout was reached (30000 milliseconds) while waiting for the Mobile Partner. OUC service to connect.
    The Mobile Partner. OUC service failed to start due to the following error:
    The service did not respond to the start or control request in a timely fashion.
    A fatal hardware error has occurred.

    Component: AMD Northbridge
    Error Source: Machine Check Exception
    Error Type: HyperTransport Watchdog Timeout Error
    Processor ID: 0

    The details view of this entry contains further information.
    A timeout was reached (30000 milliseconds) while waiting for the Mobile Partner. OUC service to connect.
    The Mobile Partner. OUC service failed to start due to the following error:
    The service did not respond to the start or control request in a timely fashion.
    Service 'WMPNetworkSvc' did not start correctly because CoCreateInstance(CLSID_UPnPDeviceFinder) encountered error '0x80070422'. Verify that the UPnPHost service is running and that the UPnPHost component of Windows is installed properly.
    Installation Failure: Windows failed to install the following update with error 0x80242016: Update for Windows 7 for x64-based Systems (KB2952664).

    There are also a bunch of errors and warning under Application, one of the errors read:-

    Event filter with query "SELECT * FROM __InstanceModificationEvent WITHIN 60 WHERE TargetInstance ISA "Win32_Processor" AND TargetInstance.LoadPercentage > 99" could not be reactivated in namespace "//./root/CIMV2" because of error 0x80041003. Events cannot be delivered through this filter until the problem is corrected.
    Does all this indicate a problem with a hardware or Windows? Since I see the mention of AMD and Processor, should I be worried that it's my processor that's taking the hit?

    Please advise


    Many Thanks
      My Computer


  9. Posts : 19,384
    Windows 10 Pro x64 ; Xubuntu x64
       #9

    You still need to run MemTest86+......its not bit dependant.
      My Computer


  10. Posts : 194
    Win 7 Professional 64 bit
    Thread Starter
       #10

    Ya it's already running at 3 passes currently. I am running it on the new RAM I purchased.

    Fingers crossed
      My Computer


 
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