Sony Vaio : The Selected Disk is of the GPT Partition Style


I've Sony Vaio and I'm trying to install Windows 7 on a separate 100GB partition but I can't select my partition (Disk 0 part 5) because of the error: "The selected disk is of the GPT partition style."


Boot using Win 7 disc or USB hard drive and then press Shift + F10 to open the command prompt.

  • Type “Diskpart” and hit Enter
  • Type “list disk”  to check hard disk properties. Check capacity of hard disk to select. Usually, disk 0 is hard disk, and disk 1 is the usb drive where win 7 install.
  • Type “select disk 0” and hit Enter to select disk 0 as the disk that is operating.
  • Type  “clean” and hit Enter to clean up current hard disk’s partition.
  • Type “convert mbr” and hit Enter to convert GPT into MBR.
  • Type “create partition primary size = 100000”  and hit Enter to create primary partition of size 100 GB.
  • Type “format fs = ntfs" and hit Enter to format disk to NTFS quickly.
  • Type “exit" to finish operating.
  • Type “exit” to shut down the command prompt.

Click Refresh button and select this partition to install windows.

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