Installing Win 10 on an Intel N.U.C.

mike1127

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Nov 28, 2012
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I'm installing Windows 10 on my Intel N.U.C. (very small desktop computer).

What I'm asking is whether it's a problem that at one point during the installation, Win 10 was saying it couldn't install on the main (largest) factory partition of my new drive because it was an "EFI system."

At that point I deleted all partitions and had Win 10 created a new set of partitions, and it proceeded.

But I'm trying to figure out whether the idea of an EFI system is the N.U.C. itself, or some mode the N.U.C. was in that it shouldn't have been in -- or wether that had purely to do with the factory format of the drive.

 
Solution
EFI (UEFI) is the replacement for the BIOS used in older systems. Newer OSes like Win 10 need the drive to be partitioned as GPT to boot directly on a UEFI system. The drive you got was probably pre-partitioned as MBR (the old method of partitioning), which caused the error you saw.

The step you took (deleting all partitions) was the correct remedy to the problem. The presence of the partitions was preventing the Win 10 installer from converting the partition table from MBR to GPT. Once all the partitions were gone, the Win 10 installer could repartition the drive as GPT.
EFI (UEFI) is the replacement for the BIOS used in older systems. Newer OSes like Win 10 need the drive to be partitioned as GPT to boot directly on a UEFI system. The drive you got was probably pre-partitioned as MBR (the old method of partitioning), which caused the error you saw.

The step you took (deleting all partitions) was the correct remedy to the problem. The presence of the partitions was preventing the Win 10 installer from converting the partition table from MBR to GPT. Once all the partitions were gone, the Win 10 installer could repartition the drive as GPT.
 
Solution

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