Why am I prevented from creating additional partitions on my Linux PC?

August 09, 2014 at 02:08PM:

I recently bought dell inspiron laptop. The laptop has pre-installed Ubuntu but I would like to install Windows 8 by splitting the exisiting partition which I have done through Gparted live USB ISO.

However, I can not create a new partition after splitting from the existing one. I get an error saying “No more than 4 primary partitions”.

Can anyone explain? I know that not more than 4 primary partitions can be created on one HDD but I only have one OS pre-installed.

I don’t want to modify or delete the pre-installed partition configuration as it may void warranty and I will lose all pre-installed data.

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