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Since yesterday, my internet started going in and out.
I'll reset it, it'll stay steady for a few hours (If lucky) and then drop completely out again.
I'm not sure what is going on either.
I have a modem from Comcast directly.
Start here;
https://forums.xfinity.com/t5/Your-Home-Network/Internet-Troubleshooting-Tips/m-p/3310447#M316652