What if you can't defragment the disk?

Failure Analysis: The Disk Defragmenter tool can not defragment, first look at the fragmented file is not damaged, followed by your defrag tool error can not defragment the operation of the disk.

WORKAROUND: The Disk Defragmenter tool for troubleshooting repair, click the right mouse button you want to organize the disk letter, in the Pop-up dialog box select "Properties-Tools", and then in the "Check the wrong" column click "Start Check" button, pop-up window, tick "Automatic repair System file Error", click "Start", pop-up window, click "Yes (Y)", then restart the computer, then the computer restarts into the desktop, and then the disk will be automatically detected repair, after the repair is completed then you can try to use the Disk Defragmenter tool.

If the fragmented file is damaged, try repairing it with the repair tool. You can click Start-run to type the "Chkdsk C:/F" command on the Run input box, and then at the prompt, "Do you want to check this volume at the next system restart", and now use the keyboard to type "Y" key to check the volume after the computer restarts and then restart the computer so that the computer will be repaired in the background. Fix complete to see if it can defragment.