Each jack should have a cable that is running to a central location.
Cat5e wall jack not working.
If the wall jacks are using the more standard wire colors you have the brown and orange pairs swapped.
If you think of a as a chain made up of series of links it will help you better visualize and understand the possible points of failure.
A cat 5e cable is made up of four pairs.
The cat5 wall jacks are just like the power outlets in your house.
The plastic jacket is suppose to be crimped inside the jack it help prevent the wires from being pulled loose.
The cables are not terminated or connected to a switch thus all of the additional wall jacks are a dead end.
How to troubleshoot wired cat 5 cat 6 etc network connections.
It s not enough just to have pin 1 connected to pin 1 pin 2 to pin 2 and so on.
The cables that are inside the walls have to go some where and be connected to something in order for them to work.
You should have one pair on pins 1 and 2 another on pins 3 and 6 another on pins 4 and 5 and the last on pins 7 and 8.
Seeing it s an apartment i d contact your property management company and or speak to.