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So my problem still persists. I've tried disconnecting the poor cable from the splitter, just leaving the good cable but still connected to splitter. I've tried directly connectingt he modem to the main cable that comes from the street( It is up in the attic that has high temperates due to being hot lately) and that was even worse for some reason. It was good for a couple days but today I've been working from home and it has disconnected quite a few times. Most of the time the connection is good, but it will drop low enough that it will boot me out of systems
Yes, removing the splitter and the old line altogether would be best practice.
Start here: troubleshooting guide. If you still need help from the community, please post your equipment details (make/model of your modem/gateway/router) and a screenshot of your signal levels
and your error/event log. Thank you!