New
#1
Why Do Some Guides Recommend Removing Primary HDD/ SSD Before...
...Installing/ Imaging 2nd OS on 2nd Internal HDD
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Basically the only reason I can discern is so that you do not mistakenly choose to over write the Primary OS onto the current boot HDD/SSD with the Image you just made of but rather are careful enough to write to the 2nd HDD that you want to add so that you can dual boot. This is not the case of dual booting win 10 and Linux but rather win and win. TIA.