OK here you are.
CHANGE PARTITION FROM ACTIVE TO INACTIVE USING DISKPART
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First I want to show you a partition I marked as active, just for this examle:
View attachment 98656
1. Go to an elevated command prompt.
Elevated command prompt = Run CMD.EXE as administrator
• WIN key (has a wavy flag on it)
• Type CMD.EXE (do not hit Enter key)
• In the Programs list, Right-Click on CMD.EXE
• Click on Run as administrator
• YES button
2. Start the DiskPart program
type DISKPART, and hit Enter key
3. type List Volume, and hit Enter key
Here’s an example:
DISKPART> list volume
Volume ## Ltr Label________Fs___Type_______Size__Status Info
-------_ ---__ -----------------___--_-------_____ ------- ----- ----
Volume 0__M__________________DVD-ROM____0 B_______No Media
Volume 1__C_C___________NTFS_Partition____49 GB Healthy System
Volume 2__E_DATA________NTFS_Partition____54 GB Healthy
Volume 3__X__________________Removable___0 B No Media
Volume 4__F_ToshibaBkUp__NTFS_Partition____75 GB Healthy
Volume 5__G_SyncToyBkUp_NTFS Partition____75 GB Healthy
Now in your case you are looking for F FreeAgent Drive
4. type Select Volume 4, hit Enter
You will select the volume number of FreeAgent Drive
5. type Inactive, hit Enter key
You have now made the volume inactive
Now see what I have:
View attachment 98657
6. type EXIT, hit Enter key
You just exited from the DiskPart program
7. type EXIT, hit Enter key
You just exited the command shell back to Windows 7