If there is exclamation mark on the device, you can download the latest driver for Network adapter on the ASUS support site and install. 3. Enter Network and Internet for troubleshooting. No exclamation mark on Device Manager means normal working of network adapter. The network problem might be caused by system settings or other internet
Also same ISP (DNA Welho in Finland). The ethernet ports stop working, while wifi works. Rebooting the modem does not help, but resetting to factory settings using the small pin-hole fixes Where did you source the installer for your OS? Can you get into BIOS and see if your Ethernet/LAN port is enabled (listed under Onboard Devices Configuration>Intel LAN in BIOS)? Speaking ofJan 21, 2019. #1. I have an Asus RT-N56U router. All the wireless connections work fine. None of the 3 wired connections work anymore. Laptop, DirecTV media, Xbox One all stopped working.Disconnecting the hub-router cable and plug it back in --- The computer (Windows really) thinks everything is connected, but the actual connection takes 40-60 seconds to come back up. ** Update **. It turns out the problem only happens when a very specific device is connected to one of the router's other ports.