Do you have active network cards? Please will check in your Device Manager in Windows.

OK. If I run >50 torrents at once (seeding) then device hangs up after while (30~120min). Maybe change something in MTU configuration in your router.

Did you think that DNS will resolve it? I think so, we have to check this possibility. My next question, please check your IP address on desktop after wire connection with router. If you know...

Please try DNS 200.204.0.10 and 200.204.0.138 click SAVE and next will make reboot your router. After that configuration try connect with your network.

What do you have in DHCP in your router?

Do you have access to panel configuration by internrt browser? Please give us screenshot from status your router.