If the missing partition is marked with an asterisk, Unallocated, or RAW, the partition recovery can be fulfilled. You need to open Disk Management to check the status of the missing partition firstly. The operating system erases its information from the partition table when a partition gets lost.
Although the partition is convenient for users to store system and personal data separately, sometimes, it will get inaccessible or not show up due to corruption, accidental deletion, or other unknown reasons. Generally, the hard drive is logically divided into several parts, which are called partitions. There was still 150 GB on it what should I do ?”
It was named (Healthy) primary partition.
When I started system recovery everything was fine but when I checked my 1 hard drive partition was missing I saw in disk manager it was there without any label.