16GB pen drive showing 2MB space after formatting on windows 7 [duplicate]

I burned Ubuntu 14.04 image on 16GB pen drive on laptop having ubuntu.

Now when I inserted this pen drive it showed 2MB free space without recognising any other space.

I formatted pen drive on windows 7 PC.

Now after I rebooted my computer and tried to boot from pen drive, i was able to install ubuntu on my dekstop.

now my problem is that now also it is showing 2MB free space.

After using the disks utility I get the following displayed :

http://postimg.org/image/6pb8yzdxv/

How can I recover my 16 GB free space ??

Please Help !!

If you want, you can even fix that in windows, run cmd as administrator then type

diskpart
list disk
select disk 1 (make sure its the right one)
clean (if it complains about permission, just type clean again)

then just make new volume in disk management, right click on computer -> manage ->disk management

You have to remove partition 1 and system Partition 2 ;

Then you can create a new 16GB partition and format it as you like

Don't you see that there is a 16GB free space unformatted at the end

This is easy to fix. Merely open GParted, you may need to install it if it is not installed. Then right click on the 2 Mb FAT partition and select Resize/Move. You can expand that partition into the 15 Gb of Free Space.