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#21
@djrobison22,
You are being led down an incorrect path for your legacy BIOS computer with all this talk about RUFUS and GPT and Kari's method of creating partitions. You probably have a bad installation flash drive. I would suggest you start with a brand new, USB 2.0 flash drive, anywhere from 8gb to 32gb in size. Use Microsoft's own Media Creation Tool to create a new Windows 10 installation flash drive from scratch:
Download Windows 10
If you really want to save the ISO file, then do that, but you don't need Rufus to create the flash drive. Insert the flash drive, open a command prompt and run:
diskpart (then say yes to the administrator prompt if one appears)
list disk
select disk # (replace # with the actual number of the USB flash drive)
clean (this will erase the selected drive - make sure you select the USB flash drive above!)
create part pri
format fs=fat32 quick
active
exit
exit
Now mount the newly downloaded Windows 10 ISO file and copy all the files and folders from the mounted ISO file to the USB flash drive.
Boot the laptop from the USB flash drive. At the very first screen, press shift+F10. In the command prompt window run:
diskpart
select disk 0
clean
exit
exit
Now you should be able to continue installing Windows 10 in legacy BIOS mode to the now MBR type hard drive. Don't create any partitions manually.
NOTE: if you are using a Windows 7 computer to make the USB flash drive on, then you need a program such as WinCDEmu to mount the ISO file:
WinCDEmu - the easiest way to mount an ISO. And more...
Windows 8 and Windows 10 will mount ISO files directly in Windows explorer.