Use Paragon Partition Manager to create a recovery CD, boot the system, and repair the partition table. You can also try DiskGenius. DiskGenius can run directly on Windows PE disks, but its support for Linux partitions is somewhat poor. It may be because there is a small error in your partition table. For example, the out-of-range of one partition overlaps a little with another partition. Windows destroys it when it writes a new partition table.
Well, I agree with Ls's opinion. I suggest the subject use disk utility to check first. It may be that the partition type flag is damaged. In addition, the two systems used by the subject are quite new, so it is recommended to directly install the GPT partition; if you continue to maintain MBR, if the front is Microsoft's reserved partition, you can directly merge it, so that it will be more compact if it is converted into four primary partitions. .
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Use Paragon Partition Manager to create a recovery CD, boot the system, and repair the partition table. You can also try DiskGenius. DiskGenius can run directly on Windows PE disks, but its support for Linux partitions is somewhat poor. It may be because there is a small error in your partition table. For example, the out-of-range of one partition overlaps a little with another partition. Windows destroys it when it writes a new partition table.
Well, I agree with Ls's opinion. I suggest the subject use disk utility to check first. It may be that the partition type flag is damaged. In addition, the two systems used by the subject are quite new, so it is recommended to directly install the GPT partition; if you continue to maintain MBR, if the front is Microsoft's reserved partition, you can directly merge it, so that it will be more compact if it is converted into four primary partitions. .