|Note that your internet is either Dial-Up or LAN.|
COM and LPT ports are usually installed via the Hardware Detection phase of the OS install.
Device Manager (devmgmt.msc) should have them listed. From there you should be able to install/trouble shoot driver issues.
In Device Manager, look under "Network adapters". Expand that and post that info for further assistance.
It's a good day when you learn something