Win8.1 compressed volume can only be compressed by half.

Cause analysis: The software or patch may be installed, causing the system to create a restore point, which causes the compressed volume function to compress only the space available in the second half.

Solution:

1. When this symptom occurs, first turn off the system protection function and delete the restore point.

The specific method is as follows:

1) Enter the system properties and find the system protection. Figure:

2) Select the configuration, turn off the system protection, and choose to delete the restore point before deleting, as shown in the figure:

2. After the system protection is disabled and the restore point is deleted, if C The disk is still not compressible. It is recommended that you back up the data and restore the system with one click.