What Happens to Windows 7 After Changing Your Motherboard

windows7oemretail-oem-box1I’ve been hearing the same question again and again lately from people who are going to replace their motherboards: What’s going to happen to my Windows 7 installation? And why not worry? Microsoft certainly didn’t do a good job of preventing Windows XP from getting screwed up when you replaced the motherboard of a system running the OS. I figured that, instead of answering the question 1000 times, I’ll answer it once right here. The truth is that the result normally depends on what type of Windows installation you have; namely, whether you have an OEM or retail version.

How to Find Out Your Windows License Type

First of all, many people don’t understand the differences associated with Windows license types, except for the fact that OEM versions are cheaper. An OEM version of Windows will allow you to install the operating system within one system’s specifications. The retail version allows you to move Windows to a different computer. We’ll talk more about this later, but let’s first learn how to find out your windows license type if you don’t know what installation you have already. Often times, if you bought your computer from a PC manufacturer, you will have an OEM version. Still, you can never be sure.

Click the “Start” menu, right-click “Computer” and click “Properties.” Once there, you’ll see a product ID at the bottom of the screen. If it contains the letters “OEM,” you have an OEM version of Windows. Otherwise, you have a retail version. Quite simple, isn’t it?

What Happens to OEM Windows Versions?

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After you install a new motherboard on your computer, an OEM version of Windows will not work. Simply put, Microsoft interprets a new motherboard as a new system. If you want to transfer the OEM version of Windows to a new computer, you can try your luck and call Microsoft about the issue. Most likely, you’d have to re-install Windows 7 on the system, forcing you to give up all of the programs installed on the hard drive. In other words, you have to be ready to start from scratch.

What About Retail?

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Lucky you! If you have a retail Windows installation, you can move it from one computer into another (without copying it on multiple computers at the same time) without issue. As soon as you are done mounting your motherboard, just start the system like you normally would. Windows will take a very long time to start, as it installs the necessary drivers to run with the chipset and motherboard. I’d recommend installing the new motherboard drivers before dismantling the old one. Once you’re done installing everything on the driver disc, you’ll notice that your new motherboard installation won’t affect your Windows startup as much because the computer won’t be overwhelmed with a barrage of driver installations to finish.

Besides the pretty box, there’s a reason why the retail version is almost 3 times more expensive than the OEM version. Still, you must reactivate Windows after you start your computer, to acknowledge that you have moved that Windows installation into a new computer. Remember not to make the mistake of installing Windows in multiple computers at once. Windows licenses only apply to one computer at a time. In this case, there’s a reason why many people prefer Linux.

  • http://www.irememberjfk.com Trappp

    God almighty. I can’t believe people put up with this asshattery. Someday this will be laughed at hilariously, that a mere software company in Washington once held sway over millions by means of extortion it used on PC manufacturers.

    • Anonymous

      OEM and retail versions of Windows have existed for a very long time. I doubt anyone will do anything about it.

  • http://www.facebook.com/IndianSpringsGuy Randy Scott

    Mine says “Home Premium” so I guess I am free to use whatever board I want. 

    • Anonymous

      It’s important to look at the product ID in system properties.

  • ExPatInPA

    Not to sound like a noob, but will the OEM version work if I upgrade the processor, but keep the same mobo?

    • Anonymous

      Yes it will. Only the motherboard affects everything. You can even buy a new motherboard of the same model and replace it. Just don’t switch models, because that will imply that you have a new system.

  • http://pulse.yahoo.com/_75XXRV5QLF7GMJ6B32KXLGMQ4Q David

    While I haven’t yet tried this with an OEM copy of Windows 7 you used to be able to repair a computer with a different motherboard and reactivate the license.  Sometimes it would work with simply internet registration and others you have to do the automated phone method.  If Windows 7 has changed this to where it gets any worse than this then Microsoft needs to be called out on it.  I’m not rooting/voting for piracy but ones right to change a darned motherboard without having to spend 4 times as much money on a propriatary (sp?) motherboard. It also shouldn’t require you to repurchase an OS you have a legal license to and any BS in the agreement shouldn’t limit you to the hardware the OS came with. 1 computer, 1 legal license key, licensed to one user.

  • http://xpdrivers.com/index.cfm Kevin Malmo

    before I only know OEM and bulk licenses…. thanks for telling us about retail version. :)

    • Anonymous

      I’d love to know where I can get a bulk license.

  • http://profile.yahoo.com/N23MFRSERWA2YMFHQME45KD2OI Jeff

    Not sure why anyone would install a new motherboard but keep their same windows installation anyway. New motherboard = new fresh OS installation. I have been building systems for years and would never change a motherboard but keep the same Windows install. New drivers, system files etc are bound to cause conflicts with an existing OS. Backup your files and start from scratch, it’s not as time-consuming as it used to be a few years ago. 

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