How to partition a computer in Windows 10: Detailed steps and precautions
In Windows 10 system, reasonable allocation of hard disk partitions can help users better manage data and improve system performance. This article will introduce in detail the steps, common problems and solutions of Win10 partitioning, and attach relevant data references.
1. Basic steps for Windows 10 partitioning

1.Open the disk management tool: Right-click "This PC" and select "Manage" to enter "Disk Management".
2.Select target disk: Right-click the disk that needs to be partitioned (usually the C drive) and select "Compress Volume".
3.Set partition size: Enter the amount of compressed space (in MB). It is recommended to reserve at least 50GB for the system disk.
4.Create new partition: Right-click the unallocated space, select "New Simple Volume", and follow the wizard to complete the operation.
| Partition type | Recommended size | Instructions for use |
|---|---|---|
| System disk (C drive) | 100-200GB | Install operating system and core software |
| Data disk (D disk) | 50% of remaining space | Store documents, pictures, etc. |
| Backup disk (E disk) | 50% of remaining space | System backup and important file backup |
2. Frequently Asked Questions and Solutions for Distribution
| question | Reason | Solution |
|---|---|---|
| Unable to compress volume | Excessive disk fragmentation or file system errors | Run a disk cleanup tool or use third-party partitioning software |
| New partition cannot be formatted | Partition table is damaged | Repair via CMD command "diskpart" |
| System slows down after partitioning | Insufficient system disk space | Resize partition or transfer some files |
3. Things to note when dividing the market
1.Back up important data: The disk splitting operation may cause data loss, so it is recommended to back up in advance.
2.Avoid frequent adjustments: Frequent disk partitioning may affect the life of the hard disk. It is recommended to plan the partition plan at once.
3.Use professional tools: For complex requirements (such as merging partitions), tools such as EaseUS Partition Master can be used.
4. Win10 disk optimization suggestions
1.System disk reserved space: It is recommended to reserve at least 20% of the remaining space on the C drive to ensure smooth operation of the system.
2.Partition alignment: Using 4K alignment can improve SSD performance (check "Align to integer multiples of the following sector numbers" when creating a new volume).
3.Organize regularly: Use the Optimize Drive tool to defragment partitions monthly (mechanical hard drives only).
Through the above steps and precautions, users can easily complete the hard disk partitioning of Win10 system and optimize the usage efficiency of storage space. For more advanced operations, it is recommended to consult a professional.
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