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If the downstairs routing signal can't reach the road because of the distance, then, connect another router from the downstairs router to go upstairs, and your upstairs computer can be connected to the upstairs wifi.
Whether the line can be connected to the study is how to route the line from the study to the living room.
Because the method you configured is wrong.
You now belong to a network of computers that share your living room, instead of using a router to connect to the network, and your two computers share the same network. >>>More
First, make sure that the network card is in good condition. >>>More
It's too garbage through the wall, this is the problem of the current router, and the distance of the WIF signal can be searched is not visible and will be connected to the Internet.
You don't need to buy it, just connect it directly to the set-top box.