Windows 10: My surface laptop keeps switching from Ethernet connection to WiFi while connected to my...

I have a Surface Laptop connected to a docking station (from Microsoft) that is hardwired to my network via Ethernet. Overnight it always seems to switch to WiFi and I have to reboot in order to get back to Ethernet hardwired connection.

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Laptop ethernet keeps disconnecting and connecting


i just got my new internet, modem and router. The tech hooked up everything to and it works. Laptop is connected via ethernet. The internet keeps disconnecting and connecting like every 5 to 20 mins. It would have that yellow triangle on the bottom saying no internet, then either it will come back, or i would have to disconnect the ethernet cable and re-connect it to get internet connection again.
- It is not the modem or the router as my wifi and my ps3 (which is connected via ethernet) never disconnects.
- It is not the wire as i have replaced it.
- It is not a damaged port on the router as i have switched to different ports.
- I removed every power saver on the battery options as it could be reason
I am out of ideas. Anyone know what could be the porblem? Could it be a bad ethernet line on my laptop?

 

Switching from ethernet connection to Wifi issue


i appreciate the reply, but i shouldn't have to buy anything like that if it used to work perfectly before an OS upgrade. all i'm doing really is trying to switch from an ethernet connection to a wifi connection. Range is not the issue here

 

Lan and wifi connection switching randomly


Am running Windows 10 homewith HP laptop. I am connected directly to my cable/phone modem and, also, have installed Netgear router connected to modem. My internet connection keeps on changing from LAN to Netgear wifi. It is bothersome when trying to download and surf. Not sure whether it's a Windows problem or Netgear problem. Any suggestions would be helpful.