One hard disk portion is missing!!!

[shangsunset]

hi guys

i just built a pc and stalled sys, but one of the hard disk portions is missing. how can i get it back???

 

[rolli59]

Control Panel/ administrative tools/computer management/Storage/ disk management

 

[Hawkeye22]

Or as a shortcut, right-click "my computer", select manage then disk management.

 

[shangsunset]

Best answer selected by shangsunset.