If you need to set up a GPT partition style, use the other steps (see below). If the partition has a mark in the GPT column, it's not an MBR partition. You can determine if the drive uses an MBR or GPT partition style with the list disk command. Quick tip: You only need to set a partition as active when using the MBR (Master Boot Record) partition style.
Type the following command to make the partition active and press Enter: Type the following command to select the new primary partition and press Enter: Type the following command to create a new partition and press Enter: If the drive doesn't have a GPT mark (*), it's an MBR partition. You should be able to determine the partition type with the list disk command. If the partition is already MBR, you don't need to run the command, but running the command won't affect the process. Quick note: This step is only required if the drive is currently set GPT, and you must use MBR partition style. (Optional) Type the following command to convert the drive to an MBR partition style and press Enter: If the correct storage is not specified, perform step 5 again. Quick note: The output should include an asterisk (*) next to the selected drive. Type the following command to confirm the drive is still selected and press Enter: Type the following command to wipe out the drive and press Enter: If you do not perform this step correctly, you could erase the wrong drive. In the command, replace DISK-NUMBER with the drive number you want to repair as it appears in the "Disk" column. Type the following command to select the drive to clean and press Enter: Type the following command to list all the active drives and press Enter: Type the following command to launch DiskPart and press Enter:
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How to fix drive (MBR) problems with DiskPart on Windows 10
If you have multiple drives connected to your device, it's recommended to disconnect them to avoid selecting the wrong device. If the drive is still accessible, it's recommended to back up the data before proceeding. These instructions will help you use DiskPart on either partition style.Īlso, these instructions will erase everything on the selected drive, and you cannot undo the changes. You usually would want to use GPT, but MBR is also acceptable for external drives. The difference between the two is that GPT is meant to replace MBR since it supports more than four partitions on a drive, and it's required on drives with more than 2TB of storage.
The GPT is a newer partition style usually found in Unified Extensible Firmware Interface (UEFI) devices. The MBR is the legacy partition style for the standard Basic Input/Output System (BIOS). It's worth noting that you can have different types of partition styles, including Master Boot Record (MBR) and GUID Partition Table (GPT). On Windows 10, when an external drive (USB flash drive, SD card, or secondary drive) stops working due to data corruption or another logical problem, you can use the DiskPart tool to erase everything and start with a new partition.ĭiskPart is a command-line tool designed to manage drives, partitions, volumes, and virtual disks using Command Prompt, which usually works better than other Windows 10 tools, such as Disk Management and the Format feature available in File Explorer.
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