Installing new motherboard

AverageColor

Commendable
Nov 30, 2016
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So recently I decided to spend some money on upgrading my computer a little bit(parts haven't arrived). I decided to buy a new motherboard, ram and case. I read online that you need to fresh install your windows when changing motherboards, but then some people say you don't you just need to run some cmd commands but may get errors? My question is what should I do? Also if I do fresh install my windows how should I go about clearing my hard drive, will it clear itself when I reinstall windows or is there something else I need to do? My new case doesn't have a optical drive but I figured I would just fresh install from a flash drive. This is my first time installing a motherboard is there anything special I have to do, such as drivers from a website or anything?

Heres some info if you need anything else let me know
-Windows 8.1
-New Motherboard: Asus 970 Pro Gaming

 
Solution
If MB you are switching from is not too far from new one, like if it is Intel or some very old AMD, there's a good chance it will boot with your old HDD. You may need to update some drivers though. Windws are also likely to install compatible drivers at first BOOT and newer ones you should be able to get on MB manufacturer's site.
It may be wise to make a bootable USB with same kind of windows in case it doesn't work out with old system. You can use it for system repair if need be but in extreme case to reinstall windows. If you need to reinstall windows you will have a choice to delete all partitions from HDD and let windows make new ones as they seem fit.
In any case make sure you have backed up all relevant files you need to keep.
If MB you are switching from is not too far from new one, like if it is Intel or some very old AMD, there's a good chance it will boot with your old HDD. You may need to update some drivers though. Windws are also likely to install compatible drivers at first BOOT and newer ones you should be able to get on MB manufacturer's site.
It may be wise to make a bootable USB with same kind of windows in case it doesn't work out with old system. You can use it for system repair if need be but in extreme case to reinstall windows. If you need to reinstall windows you will have a choice to delete all partitions from HDD and let windows make new ones as they seem fit.
In any case make sure you have backed up all relevant files you need to keep.
 
Solution
most mb swaps if the chipset are not the same windows can at first post with the new mb puke all over itself. if you can before you power off the old pc boot it into safe mode and remove all of the drivers under system devices. then on reboot into new mb it wont puke over an old driver. you still have to call ms and do the old mb failed to get them to activate old windows code on the new mb.