The plug of the power adaptor does not have pins.
The plug of the power adaptor has four holes into which the the four pins of the DC-In Jack at the back of the laptop insert when the plug of the power adaptor is inserted into the DC-In Jack.
None of the four pins of the DC-In Jack wobble.
The DC-In Jack of the laptop sits as tightly within the laptop as it did when the laptop was brand new.
It is the connection between the plug of the power adaptor and the DC-In Jack that is a loose connection, i.e. the plug moves about within the DC-In Jack, i.e. the plug very easily wiggles...
The connecction between the plug of a working power adaptor and the DC-In Jack of my Octane 17 laptop is very loose, which has got increasingly worse over time, to the point now where the laptop no longer reliably receives power via the plug of the adaptor.
By DC-In Jack, I am referring to what...