Do I REALLY need a fresh W10 install after to change mobo and CPU?


  1. Posts : 65
    Windows 10 + VM-WXP / VM-W7
       #1

    Do I REALLY need a fresh W10 install after to change mobo and CPU?


    A couple months before the end of the year I have moved from W7 to W10 on my old i5-3330 PC. Then it happened that in the week between Christmas and New Year my mobo burned out causing me to stay without computer along all the period. So after the holidays I bought new mobo and took the opportunity to upgrade my CPU to a i5-10400, then I got also new memory sticks and new power supply. All the rest I reused. Well I am just contextualizing.

    The fact is that I did NOT reinstall Windows. Instead I just plugged in my SSD (an almost new 240GB Kingston), left Windows detect all the changes and make the adjustments by itself. In the device manager it doesn't show up any conflict or problem but I have noticed that my PC has taking a little more time than I think it should to start applications. As soon I started using the new computer it seemed to load things too much faster than now. Some times it even "refuses" to start them... I click onto the taskbar icon, it momentarily flashes the "wait icon" but nothing happens, then I have to click it again (some times even a third time). It doesn't happen very often but it's usual with FortiClient VPN.

    I have heard a couple times that I shouldn't have "recycled" my W10 previous install and that I should in fact to make a full fresh install. I don't know how much this is true or BS. Also I don't know if I really trust on this information because if this was true the computer would be crappy since the beginning instead to degrade the performance overtime so things doesn't SEEM to be related here. But really not sure. I confess that I am not in the mood to make a whole fresh install (lots and lots of apps and tweaks) unless it be absolutely guaranteed that the recycling of my previous install is the root of the issues. Computer is not BAD at all but I kind of smell a rat.

    Opinions?
      My Computer


  2. Posts : 14,014
    Win10 Pro and Home, Win11 Pro and Home, Win7, Linux Mint
       #2

    It's been my experience the mobo and CPU change can experience problems when using the same drive and installation of the OS from an older computer. Those problems may not show up immediately and may be triggered by installation of a new program. To head off those potential problems I've had better success by starting from scratch. Also involved is the Activation of Windows as it usually is seen as a new/different computer. And there will be issues with drivers for other devices.
      My Computers


  3. Posts : 7,128
    Windows 10 Pro Insider
       #3

    I have done it several times. In my experience Windows 10 is very forgiving when it comes to switching to a new system. Have you checked the manufacturers site to see if they have any updated drivers?
      My Computers


  4. Posts : 4,453
    Win 11 Pro 22000.708
       #4

    A possible compromise: do a repair install (also known as an upgrade in place). Repair Install Windows 10 with an In-place Upgrade That should retain most settings and applications.

    I strongly recommend imaging the OS partition first, just to be safe.
      My Computers


 

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