Which Partitions Do I Need In Windows 8?

I'm in a very similar position to the OP; I have a Lenovo system that came with Win 8 x64, then tried Ubuntu (wiping Win 8 completely), and finally recovered Win 8 with Lenovo recovery media (4 Cds).

I'm now at Win 8.1 and have 8 visible partitions in DM, so judging from a previous post there's probably another hidden partition too, bringing the total to 9. Ubuntu also shows in my boot menu.

Here's how things look in DM:

DM partitions.png

As I have external recovery media, I really want to get rid of anything that isn't completely necessary. And is there a way of sorting out my boot menu so that Ubuntu no longer shows (sorry if I'm not being clear here - I'm not given the option to boot to it as I would if it were a dual-boot situation - it just shows up in the boot order, as if it were never properly deleted when I completely recovered the system to Win 8)? I presume Ubuntu can't still be hiding somewhere?

Any help really appreciated!
 

My Computer

System One

  • OS
    Windows 8.1
If I was in your situation and was able to restore my system to a clean drive, I would do that. Since I do not know how that process works on your system, I would be careful not to remove the original Recovery Image partition, although it looks like that was duplicated also.

Since it appears the drive was not clean and several of the original partitions were duplicated, then the windows 8.1 update duplicated some more, it is a little complicated to figure out which partitions part of the current install.
 

My Computer

System One

  • OS
    Windows 8.1 x64
    Computer type
    PC/Desktop
    System Manufacturer/Model
    Home Grown
    CPU
    i7 3770K
    Motherboard
    ASUS P8Z77 -v Pro, Z87-Expert
    Memory
    16 G
    Graphics Card(s)
    EVGA GTX 680 Classified (2)
    Hard Drives
    Kingston SSD 240 GB
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