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It's not MBR *"slots", but entries. There are a total of four partition entries in the MBR. Now i have 3 primary partitions, and two Logical ones. So that is a total of four partition entries: three primary partitions (that you are aware of) and one extended partition that contains the two logical partitions. what am i doing wrong? You're ...


3

but 3 Primary partitions and I should be able to do that. Nope. On harddisks with MBR formatting the system was designed to allow up to 4 partitions. You can not add a fifth partition. There simply is no space for more than 4 entries in the defined data structures on disk. At the time that was plenty. Then disks shrunk and grew. (shrunk as in size. ...


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The command in Windows 8/8.1/10 for fixing MBR is "bootsect.exe". bootsect /nt60 drive_letter: /mbr this fixes boot record of partition mapped to "drive_letter:" and the MBR of the disk where the partition is placed. C:\Windows\system32>bootsect bootsect {/help|/nt60|/nt52} {SYS|ALL|<DriveLetter>:} [/force] [/mbr] Boot sector restoration tool ...


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Your hard disk is GPT style disk. I don't see EFI system partition(ESP), Microsoft Reserved Partition(MSR) - have you deleted them too ? Also why is the OS partition hidden ? Complete mess. You have 1512 MB free on start of disk there you should create 2 partitions: EFI system partition - at least 100 MB. MSR exactly 128 MB. Use diskpart for creating ...


1

Taking your questions out of order: Is there a likelihood something will break? -- Yes. Your computer WILL NOT BOOT after doing this conversion if you do it in-place with a third-party tool. There are ways to restore the system to bootability after such a conversion, but I don't happen to have any references handy. If you do it by backing up, ...



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