Ensure the switch was turned back on after adding the module.
If you have two buildings in Packet Tracer that are "too far apart" for copper, you would use a switch at each end to convert the local copper signal to fiber for the long-distance run. media converter in cisco packet tracer link
Select the Copper Straight-Through cable (solid black line). Connect a PC to a FastEthernet or GigabitEthernet copper port on the switch. Ensure the switch was turned back on after adding the module
to the switch (click the power button/switch on the device image). media converter in cisco packet tracer link