PC slows down internet speed on other devices

[Daniel Cardinale(James)]

Hello, I have an old pc that is connected to the router via ethernet, and every time I connect it it slows down the internet speed on other devices that are connected to the same network, so basically every device in my house. The internet speed on the PC isn't slow at all, but on other devices it drops dramatically. Is there any way to fix it? I already tried a network reset and doing the network commands like ipconfig and netsh but those didn't fix the problem. I also updated my network adapter driver to the latest version, but that didn't work either. Here are some details about my systemMo

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