power cable snapped at plug

[Craig_77]

My charging cable snapped on the wire at the plug point that goes into the wall socket it was a 2 pin plug can I put a 3pin plug on and how do I do it 3 wires 1xblue and 2xblack HP Compaq 8710

 

[USAFRet]

My charging cable snapped on the wire at the plug point that goes into the wall socket it was a 2 pin plug can I put a 3pin plug on and how do I do it 3 wires 1xblue and 2xblack HP Compaq 8710

Pictures please.
Without that, we out here are just guessing.

 

[ss202sl]

https://www.amazon.com/Adapter-Charger-Compaq-nc2400-Supply/dp/B004HHDM98