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Microsoft cannot guarantee that these problems can be solved. Modify the registry at your own risk. Please perform the following steps:. Please go to Pearl button Start and click on the Search programs and files For more information about the change from Start to Pearl button click here.
Type cmd, right click on cmd icon under the Programs and click on Run as administrator. This method shows you how to prevent Disk Defragmenter service from starting with the operating system using System Configuration msconfig.
If we read or write data at this time, our computer may crash or the entire hard disk may be physically damaged. Defragmentation is much different from other computer operations since the former will make the hard disk spin at a high speed.
If users defrag computer frequently operate hard disk frequently , the service time could be reduced rather than increased. Therefore, it is highly suggested that users do disk defragmentation when necessary. Note that they can analyze disk to see whether defrag is needed or not. If users make defragmentation for partitions which stores system backup, the backup might be useless. After knowing these 3 aspects, users need to activate the program by doing the following operations: click Start button, type disk defragmenter in the search box, and run Disk Defragmenter as administrator.
After these operations, we will get the following window:. Windows built-in Disk Defragmenter provides users with 2 options to defrag a hard drive: run disk defragmenter on a schedule or run manually. If you just want to let the program run at a scheduled time, choose Turn on schedule…. Disk defragmentation may take from several minutes to a few hours, which depends on the size and degree of fragments on your volume.
However, in order to help users run Disk Defragmenter better, we are showing the following tips:. Only partitions that can be defragmented are shown under Current status. If the partition you want to defrag is not shown there, it might contain errors. Under this situation, please try to repair the partition at first, and then redo defragmentation. For how to repair a volume, please do like this: open Computer , right-click the partition which may include errors, select Properties , and choose Check now under Tools tab.
After the analyzing is finished, we can see the percentage of the fragments on the selected drive under the Last Run column. If users want to do defragmentation under this situation, there are 3 choices available: delete some useless files, transfer a part of files to another drive, and enlarge the target partition.
It is believed that almost all users know how to delete a file, but what if all files in this partition are needed or deleting needless files only releases little space? Actually, under this situation, users can try extending the partition by taking free space from other partitions on the same disk though defragmentation had better be made before extending. Besides defragment hard drive, you can also extend partition to improve the performance of the computer and hard drive.
Or you can upgrade your hard drive to a larger one. As a matter of fact, in order to extend a partition, you can use a piece of third-party software. Thus, MiniTool Partition Wizard is strongly recommended. It is a professional partition manager which is designed to optimize partition and disk use.
It can help you to extend partition, copy disk and partition, and migrate OS to SSD without data loss. Of course, it also has many other powerful features. So in order to extend partition, you can download it first from the following button. In order to experience more advanced features, you can choose to purchase an advanced version.
Free Download Buy Now. Step 2: Select the partition you want to extend and choose Extend from the context menu to continue. Step 3: In the popup window, you can open the drop-down list Take Free Space From and decide where you want to take free space.
And drag the slide to decide how much space you want to take and click OK to continue. Step 4: Then you can preview the changes and click Apply to confirm the changes. When the process is finished, you can successfully extend the partition without data loss so as to improve the computer and hard drive performance. Click to tweet Free Download. After reading this post, do you know how to defrag Windows 7 or how does defragmentation improve performance?
And if you have any better methods to defrag computer Windows 7, you can share it on the comment zone.
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