Drive 0 Partition 3: for storage - 4TB minus 350MB minus 240GB; I cannot accomplish this. First of all, Windows Setup has split my HDD into two "Unallocated Spaces". Secondly, even if I go with this (which is not what I want nor find acceptable), it cannot format the second "Unallocated Space (1678GB)" and it shows the error Unallocated disk or drive is one that hasn't been assigned any drive letter. To install an operating system on brand new hard drives, you will be required first to partition it because you 0. November 23rd, 2005 00:00. In Windows XP you can click the start menu, right click the My Computer, select Manage, then select Disk Management. This will show you what has been partitioned and what has not and allow you to partition the remaining 'UNALLOCATED' space into a single drive. Other wise you would need to purchase Partition Magic EdVPXLl.

what is drive 0 unallocated space