Unable to create logical drive

Mar 15, 2018
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i am unable to create logical drive in my pc.
Whenever i create a new drive that will be primary one.. Not a logical...
I have tried meny times by many methods bt it doesnt work..


Plzzzz give me suggesion. Mmwhst should i do
 

Did you try 'diskpart' in the 'Command Prompt'?
Could you elaborate about the drive?