System Reserved Partition - Delete

JK,
Might be no big thing for those of us who know a bit about using command prompt, but for a 'noob' I would humbly suggest that you indicate the need to hit "ENTER" after those written commands in your tut.
Thanks for a very informative tut, never-the-less.
Frank

im getting an error while deleting the partitons.
In my computer i have 3 partitions on a 500GB HDD.
1> c: drive of 53GB on which my windows 7 64bit Ultimate edition is installed. NTFS
2>d: drive of 382GB NTFS
3> e: drive of 30GB NTFS

but when i went in to the dos prompt as shown in step 1,i get to see 4 partitions.
1>a 1mb partition.
2>a 100mb partition.
3>my c: drive
4> my rest of the HDD space merged all into one partition and displayed.

i dont understand how the first two have come.please help me in deleting them.
this is what the error i got while deteling a partition -

Code:

 
this operation is not supported by the object.
The specified command or parameters are not supported on this system.

In advance:
A Disk Management screen shot using the snipping tool might help Jonathan help you.
1 MB is typical storage space for dynamic disks - hopefully the disk isn't dynamic.

Hi all,when i deleted the 100mb system reserved partition,and now when i go to disk management,i also deleted my E: drive which was empty.

So then i had 2 unallocated drives.one was the 100mb one and the other one was the E: drive.

Then i extended my D: drive and now i have 3 D: drives been shown in the disk management which is actually one when seen in 'my computer'.

Here is my problem. - http://img705.imageshack.us/img705/9779/problemml.png

please help.