You just gently pull out the old cable and insert the new cable into the small plug as skyynet suggested. It all seems to smoothly realign and guide itself.. you don't have to do much work to get things to affix.
Reputation over time
It looks like this user hasn't gained any reputation yet.
Once they have, you'll be able to view a graph of their reputation gained over time.
Here's a preview of what the graph will look like:
You just gently pull out the old cable and insert the new cable into the small plug as skyynet suggested. It all seems to smoothly realign and guide itself.. you don't have to do much work to get things to affix.