Why should defragment USB flash or hard disk?
When you save, change, or delete files, fragmentation happens both the file and the volume of USB flash or hard disk. For work more efficiently, you should run a process of consolidating fragmented data on a volume. Defragment tools will rearranges the data on your volume and reunites fragmented data.
Preparation before Defragmenting Files and volume.
Type "chkdsk /f", wait a while.
When you save, change, or delete files, fragmentation happens both the file and the volume of USB flash or hard disk. For work more efficiently, you should run a process of consolidating fragmented data on a volume. Defragment tools will rearranges the data on your volume and reunites fragmented data.
Preparation before Defragmenting Files and volume.
You should check of your USB Flash or hard disk for consistency, to ensure that there are no errors. You can check for consistency of your USB flash or hard disk use command-line.
Press Windows+R together to show you "Run" Box.Type "cmd", the command screen will appear.
How to Defragment USB Flash or Hard Disk.
- Identify Your Device.
Type in your command prompt: "wmic logicaldisk get deviceid, volumename, description".
To identify USB flash disk for example, "wmic logicaldisk where drivetype=2 get deviceid, volumename, description". This command show you the device has been installed. We get information here that USB Flash disk located at drive E.
- Perform an Analysis.
Type in command prompt: "defrag E: -a".
If the result number is above 10%, you should defragment the USB flash disk.
If the result number is bellow 10%, you don't need to defragment the USB flash disk. - Defragment USB Flash Disk.
For running defragment the volume of USB flash or hard disk, just Type: "defrag E: -f"
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