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Extend efi system partition

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Get-PartitionSupportedSize -DriveLetter L | Format-List If you want to expand the existing partition, first of all display the available unallocated space to extend this partition: Set-Partition –DriveLetter L -NewDriveLetter U You can change the assigned letter using this command: New-Partition –DiskNumber 1 -AssignDriveLetter –UseMaximumSize

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To assign a letter automatically, the AssignDriveLetter parameter is used ( sometimes Windows doesn’t assign a drive letter automatically ). If you want the partition to occupy all available disk space, use the UseMaximumSize attribute. New-Partition –DiskNumber 1 -Size 10gb -DriveLetter L Let’s create a 10 GB partition and assign the letter L: to it:

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To create a new partition on a disk, the New-Partition cmdlet is used. You can try to recover the partition table and data on your RAW disk as follows.

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Please note that a disk may have the RAW status when the partition table is corrupted.