Before using Partition Assistant, we highly recommend doing a complete defragment on the partition you want to resize. You can use the built-in defragment tool to achieve this goal. To defragment a partition in Windows OS, you can either use the built-in defragment tool or follow the two methods provided.
Defragmentation is a process that reduces fragmentation on a partition or disk, organizing data for improved computer performance, typically performed to optimize SSDs or HDDs.
When using your computer, the operating system stores files in clusters of partitions, which can slow down your PC's performance. To maintain optimal speed, it's essential to defragment your partition or hard drive at regular intervals, ensuring a smooth and efficient computing experience.
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✍Attention: You should not defragment a solid state drive because it's unnecessary and can reduce its lifespan.
To run the Windows built-in disk defragment tool, go to the Start menu, type "Defragment" in the search bar, and select the "Defragment and Optimize Drives" option. Then, click on the drive you want to defragment and select the "Optimize" button.
Step 1. on the Desktop, click "Start" button, and open "Control Panel"
Step 2. In the Control Panel, navigate to "System and Security" > "Defragment hard drive"
Step 3. Run the Disk Defragmenter, choose the partition and disk you want to defragment, and select "Defragment disk" to start the process.
Note: To launch the Defragment tool, you can go to "Computer Management MMC" and open "Disk Defragmenter".
Besides defragging, there are other ways to optimize your hard drive's performance.
1. Ensure System is Running in AHCI Mode
If your system disk is an SSD, you can check and change the SATA controller mode to AHCI in the BIOS setup during booting.
2. Extend the C partition
The C partition, where your system is stored, requires sufficient free space to ensure smooth performance. You can extend this partition using a powerful partition manager like Qiling Disk Master Professional.