Please help with deleted partition

Hey guys,

So this is my problem:

I have a 500GB Maxtor Hard disk, and I went to install windows xp, but during the installation i saw that it was split into different partitions. I have no idea why but i deleted one of them. Now i think the entire hard disk is screwed up. When i connected it to my laptop using a SATA docking station, under disk management it gives me my C drive which is disk 0 and it gives me the Maxtor hard disk which is disk 1. But disk 1 is split into 100mb, 60Gb and 405.66 GB with the 405.66 being unallocated. What should i do to make it 1 500GB harddisk.

Pls Helpp!!!
 
Assuming the disk does not contain an operating system, or any personal data you need, just remove the partitions, so the whole disk is unallocated, then create a simple partition the entire size of the disk e.g. 465GB in size.
 
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