Article ID Code:GK-SYS-3
Important Notes Before You Start
Partitioning carries risks and may cause data loss! Back up all important files first. It is recommended to perform this on a non-system drive or new hard drive. If it's the system drive (Windows already installed on C), you can only create a new partition by "shrinking" the volume—you cannot delete C directly.
Hard drive capacity: 1TB (approximately 1000GB usable).
Example: Divide into C drive (500GB, system drive) and E drive (500GB, data drive).
Step 1: Open Disk Management Tool
Right-click "This PC" (or "My Computer") → Select "Manage" → On the left, select "Storage" → "Disk Management." Alternatively: Press Win + X → Select "Disk Management."
Step 2: Shrink the C Drive Volume to Create Unallocated Space (If C Drive is Already in Use)
In Disk Management, right-click the C drive → Select "Shrink Volume." The system will query available shrink space (e.g., if C has 952GB free).
In "Enter the amount of space to shrink in MB," input the size, e.g., 512000 (approximately 500GB; 1GB = 1024MB). Click "Shrink" → After completion, an "Unallocated" space (black area) will appear.
Shrink 500G
Step 3: Create the E Drive in the New Unallocated Space
Right-click the "Unallocated" space → Select "New Simple Volume." Click "Next" → Specify volume size (default maximum, e.g., remaining 500GB) → "Next."
Assign drive letter: Select "E:" (or available letter) → "Next."
Formatting options: File system "NTFS" → Volume label "E Drive" or "Data" → Check "Perform a quick format" → "Next" → "Finish."
Step 4: Verify and Complete
In Disk Management, you should now see C drive (~500GB) and D drive (~500GB).
Open "This PC"—the D drive appears and is ready for use. If needed, repeat shrink/extend operations to adjust sizes.
Common Issues Troubleshooting：
If "Shrink Volume" is grayed out or insufficient space: Clean up C drive (use Disk Cleanup) or delete large files to free space.
Data loss after partitioning: Stop using the drive immediately and use recovery tools.
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