Command to Expand Root drive Or System Drive ( C: drive ) when it is a Basic Disk

There is a tool by name ExtPart.exe from Dell which does this function

Download the tool from here: ExtPart.exe

Usage:

1. Open Disk Management using Computer Management console and verify unallocated free disk space assigned to C: drive. Eg 5.01GB as below

2. Calculate unlocated space into MB. Eg: If unlocated space is 5.01GB, then 5.01*1024=5130.24 MB (this value need to enter in extpart to expand the disk size

3. Copy extpart.exe downloaded file to C:\temp.

4. Open command prompt and execute extpart.exe

•              It will prompt to enter the drive letter, enter C:

•              It will prompt to enter the size in MB to expand volume, enter 5130.24

5. Open Disk Management and verify the size.

PS: ExtPart tool works for only Basic Disks.

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