Install Fresh copy of Windows 10 in UEFI Mode Yourself on Your New PC/Laptop
When you get a Laptop for the first time with DOS operation system and want to install Windows in UEFI mode you will fail to install. Because Windows 10 boots in UEFI mode if your laptop support it. But your hard drive will not be compatible with the UEFI system. Windows will only install in a GPT formatted hard disk.
This method applies to both Windows 8, Windows 8.1 and Windows 10
When you install Windows sometimes you will get an error message " Windows cannot be installed to this disk. The selected disk is not of the GPT partition style" if your hard disk is in MBR format. Almost all DOS machines comes with MBR formatted hard disk.
So you have to reformat the hard disk to GPT.
This method applies to both Windows 8, Windows 8.1 and Windows 10
When you install Windows sometimes you will get an error message " Windows cannot be installed to this disk. The selected disk is not of the GPT partition style" if your hard disk is in MBR format. Almost all DOS machines comes with MBR formatted hard disk.
So you have to reformat the hard disk to GPT.
Reformatting the drive in GPT format
- Turn off the PC/Laptop and put the DVD/USB installation media
- Turn on the device and boot windows in UEFI mode
- When choosing method choose custom
- From inside windows setup press Shift + F10 to open command prompt window
- open disk part tool in command prompt by typing "diskpart" and press enter ( Without " " )
- Enter "list disk" to identify the disk to format in GPT
- Select a drive and reformat it with following codes ( one code per line )
select disk <disk number> ( Disk number will be 0,1,2 etc)
clean
convert gpt
exit - Select the unallocated space and click Next. Windows detects that the PC was booted into UEFI mode, and reformats the drive using the GPT drive format, and begins the installation
Why should I convert my drive?
Many PCs now include the ability to use the UEFI version of BIOS, which can speed up boot and shutdown times and can provide additional security advantages. To boot your PC in UEFI mode, you'll need to use a drive formatted using the GPT drive format.
Many PCs are ready to use UEFI, but include a compatibility support module (CSM) that is set up to use the legacy version of BIOS. This version of BIOS was developed in the 1970s and provides compatibility to a variety of older equipment and network configurations, and requires a drive that uses the MBR drive format.
However, the basic MBR drive format does not support drives over 4TB. It's also difficult to set up more than four partitions. The GPT drive format lets you set up drives that are larger than 4 terabytes (TB), and lets you easily set up as many partitions as you need.
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