1: Start the command prompt (START-> soProgram-> Attachment-> command prompt-> right-click and select Run as administrator, and enter "Export diskpart.exe" (without quotation marks, the same below). Press enter.
2: After the diskpart is run, it will be transferred to the diskpart prompt, enter the "Rescan" command and press enter to scan the hard disk configuration.
3: Enter "list disk" and press enter to display the disk list.
4: Enter the "select disk number" (for example, "select disk 0") and press enter to hide the disk where the partition is located.
5: Enter the "List partitions" command and press enter to display the partition of the selected disk.
6: Enter the select partition Partition Number (for example, select partition 2) and press enter to hide the Partition Number.
7. Enter Delete partition override to delete hidden partitions.
Problem: The EISA partition is deleted, but is classified as "not assigned". Only primary partitions can be created, and no extended partitions can be created, you cannot attach this idle space to the previous idle space.