To fix this, go into device manager and uninstall the driver and reboot. This should force it to download the newest available from Microsoft, then you should manually update from there using your motherboard's latest network driver that you can get from their website. Cabling/hardware in my house is capping it 100Mbps. What are my options? : r/HomeNetworking HomeNetworking is a place where anyone can ask for help with their home or small office network. After a phone call to BT I was told that an ethernet cable is to blame as they suspected one of the cables was only cat5, limiting it to 100mbps. When issues like signal loss, slow speeds, or intermittent connectivity arise, systematic troubleshooting is key. Parts: My troubleshooting steps:. Or it could be caused by the quality of the connector itself, such as poor end-face geometry that doesn't pass the parameters defined by IEC PAS 61755-3 standards, including angle of the polish, fiber height, radius of curvature or apex offset. Get the wrong connector type, the wrong polish, or skip proper fusion splicing technique—and you're looking at elevated signal loss, increased back reflection, and a.