Two identical machines, 10 second boot time difference


  1. Posts : 502
    Microsoft Windows 10 Home 64-bit 18363 Multiprocessor Free
       #1

    Two identical machines, 10 second boot time difference


    I have two identical MSI GT80 SLI machines, configured identically hardware wise and software wise also.
    Well, there is one difference, one has lower bandwidth RAM than the other. 17000 vs 19200. Both have 32GB.

    Latest-greatest 10 obviously.

    Samsung 970 EVO PLUS 2TB is the boot disk on both. One disk was a clone of the other via Macrium. About a month ago, and since then I did configure them a bit different from each other. Install this software package or that.

    BIOS looks identical.
    powercfg is identical.
    startup is almost identical, in fast the fast machine has more things starting than the slower one. I did go into startup and uncheck everything thought I thought could slow it down. To no avail. The 10 second slower boot time just will not go away.

    The 'fast' machine gets to the login screen in 21 seconds, the 'slow' one in 31-35 seconds.
    Is there any easy way to tell what could cause that discrepancy. Just wondering where 10-15 seconds seconds goes every time.
      My Computer


  2. Posts : 6,917
    windows 10
       #2

    In taskmanger startup if gives you the impact of everything at boot a good place to start
      My Computer


  3. Posts : 502
    Microsoft Windows 10 Home 64-bit 18363 Multiprocessor Free
    Thread Starter
       #3

    I saw that. No, not everything. Some items are left unrated.
    Regardless, the list looks pretty similar to the "fast" machine. So that's not it.
      My Computer


  4. Posts : 150
    Windows 10 Pro x64 Ver. 21H2 Build 19044.1586
       #4

    In my opinion you answered your question yourself!

    "Well, there is one difference, one has lower bandwidth RAM than the other. 17000 vs 19200. Both have 32GB."

    You can confirm that by swapping the RAM.
      My Computers


  5. Posts : 423
    Windows 10 Pro
       #5

    The "boot time" that windows references is simply the time it takes for the motherboard bios to hand things over to windows. As such they call it "last BIOS time".

    What you could do is dig around in the bios and remove some Boot options within it, remove the ones that you would or could never use but if you plan to boot via usb for example at some time in the future, leave that one somewhere in the list. Example for MSI.

    Two identical machines, 10 second boot time difference-boot-os-entry-4.jpg
      My Computer


  6. Posts : 1,604
    Win 10 home 20H2 19042.1110
       #6

    @ dictum
    I did configure them a bit different from each other. Install this software package or that.
    This could be your main problem/question. I do think your startup times are fine...
      My Computers


  7. Posts : 1,806
    Windows 10 Pro 21H1 19043.1348
       #7

    Hi dictum,

    Both those start times are quite reasonable, however; I understand your interest in knowing exactly why they are different. This boils down to how much time are you willing to invest to potentially save 10-14 seconds.

    Have you compared time to boot to Safe Mode on both PCs?



    This link to a vbs script will provide a more exact boot time for comparison of regular boot times.

    Restart time vbs from Seven Forums



    This post references the use of Microsoft AutoRuns and Windows Performance Analyzer to help understand startup delays.

    How to optimize windows10 - XP still seems faster



    I would suggest starting with AutoRuns first. If you watch the video, it will direct you where to look to identify startup delays. Also, you should be able to compare both PCs configurations a bit more precisely.

    Then finally, Windows Performance Analyzer will show the entire details of the boot process in a graph format. This will clearly identify what portion of the boot process is different between the two PCs.

    One caveat with WPA, the volume of data produced can be a bit overwhelming. Analyzing the results in order to effect positive results can prove challenging.
      My Computer


  8. Posts : 857
    windows 10
       #8

    I have two identical MSI GT80 SLI machines, configured identically hardware wise and software wise also.
    Well, there is one difference, one has lower bandwidth RAM than the other. 17000 vs 19200. Both have 32GB.
    If the hardware could be identical, could you say the same about the software?

    Are Windows 10 version the same?
    Are all the Windows 10 updates installed the same?
    Are the drivers version the same?
    Are the services and startup programs the same?

    It's not just a matter of hardware. the software also impact the boot time.
      My Computer


  9. Posts : 494
    Win 10 Pro x64 versions
       #9

    Since you cloned this slow disk from the fast one you should consider running the System File Checker, DISM /ScanHealth and /CheckHealth options and for good measure run chkdsk /f.

    Because a clone is a sector based bit for bit copy the process itself can introduce corruption. If these tests are all clean then start looking elsewhere.
      My Computer


  10. Posts : 17,744
    Win 10 Home 10.0.19044.1706 (x64) [21H2]
       #10

    @dictum

    Besides the obvious difference in the RAM speeds, does your BIOS have a setting similar to this?
    And if so... are they set the same?



    Two identical machines, 10 second boot time difference-image1.png
      My Computer


 

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