How To Convert A Disk From GPT To MBR On Linux?
MBR uses the standard BIOS partition table while GPT uses Unified Extensible Firmware Interface (UEFI). Using a GPT disk has various advantages over MBR disk, for instance, you can create more than four primary partitions on a GPT disk. Also, the GPT disk is required if the size of a disk is greater than 2 TB.
But in the older systems that come with BIOS only, you can not boot using GPT disk directly instead first you need to convert the GPT disk into MBR only then you can use it.
Ahead in this article, steps are given to convert a disk from GPT to MBR on Linux.
Steps to convert a disk from GPT to MBR
For converting a disk from GPT to MBR we will use
gdisk tool. If it is not in your system then first you need to install it. Use the following command to install
gdisk in your system-
sudo apt install gdisk
And then follow the steps given below-
Step 1: List and identify the disk
Use the command that is given below to list the disk available in your system –
sudo fdisk -l
Scroll and identify the disk that is to be converted from GPT to MBR in the output of this command.
Step 2: Run the gdisk tool
Now run the following command in the terminal –
sudo gdisk /dev/sda1
sda1 is the disk to convert from GPT to MBR. You can see the result of partition table scan on this disk GPT is present on it.
or use –
This will ask you to enter the name of the disk, enter the disk name and then press the return key. It also display the partitioning scheme available on the disk.
Step 3: Use the recovery and transformation options
Now enter r and then press the return key. Enter the g to convert the disk from GPT to MBR. Next, use the w to write the partition table.
Press the y if asked to accept.
Now the conversion is successful you can verify this by running the following command in the terminal –
As you can see the partition table on this disk is MBR only.
By following this you successfully converted the GPT disk into MBR. Now if you have a query on this then write us in the comments section.
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