It seems like you have a dual-boot setup with two Windows 7 installations on different primary partitions on your hard disk. Currently, when you boot into one Windows 7 installation, you can't see the other partition. You want to configure it so that you can see the other partition from each Windows 7 installation. To achieve this, you will need to adjust the drive letter assignments and visibility of partitions in each Windows 7 installation.
Setup Windows 7 No.1 to See Partition 3:
Assign Drive Letter to Partition 3:
Boot into Windows 7 No.1.
Press Win + R, type diskmgmt.msc, and hit Enter.
Locate Partition 3, right-click on it, and choose "Change Drive Letter and Paths..."
Assign a drive letter (e.g., F to Partition 3.
Click OK and close Disk Management.
[]Check Visibility:
Open File Explorer in Windows 7 No.1.
You should now see Partition 3 with the assigned drive letter.
Setup Windows 7 No.2 to Not See Partition 1:
[]Remove Drive Letter Assignment:
Boot into Windows 7 No.2.
Press Win + R, type diskmgmt.msc, and hit Enter.
Locate Partition 1, right-click on it, and choose "Change Drive Letter and Paths..."
Select the assigned drive letter and click Remove.
Click OK and close Disk Management.
Hide Partition:
(Optional) If you want to hide the partition entirely, you can use diskpart:
Open a Command Prompt with administrative privileges.
Type diskpart and press Enter.
Enter the following commands:
Code:
select volume X (X refers to the number of Partition 1) remove letter=F (Replace F with the current drive letter)
Close Command Prompt. By following these steps, you can set up Windows 7 No.1 to see Partition 3 and Windows 7 No.2 to not see Partition 1. This should help you achieve the desired visibility configurations for your dual-boot setup. If you encounter any issues or need further assistance, feel free to ask.