Win7 3TB drivers picks up the propriety Linux partitions on the drive so you must just follow these instruction to hide these.
1) Right-Click on ‘Computer’ Icon on desktop
2) Select ‘Manage’
3) Select ‘Disk Management’
4) All your Hard Disk drives and its partitions will be show in the right hand side
5) Locate the Mede8er drive
a) It will show a main NTFS Partition 2789.85GB (This is the one you will use)
b) 118MB RAW Partition (Linux)
c) 509MB RAW Partition (Linux)
6) Right-Click on ‘b’ Linux Partitions and select option ‘Change Drive Letter and Path’ --- A new dialogue screen will open with the Partition showing and now select ‘Remove’
7) Repeat Step 6 for ‘c’

The Linux Partitions will now be hidden when you connect the Mede8er to your PC
Mede8er1