Hello,
Based on the information you provided, we recommend that you refer to the following steps for troubleshooting.
1.Run (win+R) window, enter the command services.msc, find the Disk Defragmenter service to see if it is enabled.
2.Open CMD and run the following command to check whether the disk has file system structure damage.
Chkdsk C:
3.Open Event Viewer to check if there is any error log information about disk defragmentation.
Best regards
Zunhui