Question 500GB HDD missing/shows only 298GBs

Mar 9, 2021
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I had a Win10 x32 500GB HDD with 4 partitions and I added it to my gaming system.
After running diskpart and removing all of the 3 partitions I was left with the
'Reserved' partition. I ran 'delete partition override' and removed the last partition
however, instead of having 465.76GBs like my other 500GB drives this one only shows 298GBs.

How do I get the rest of the disk??

Thanks!
 

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