Windows 10: Wired Ethernet's middle light turning off when on for a certain amout of time.

My ethernet's middle light turns off at a certain time that it is used and im started to get annoyed about it because when I try and stay up late with my mates it usually turns off and I disconnect from my game and discord, when that happens I can never successfully attempt to reconnect. Is there any way to fix this? I've had the ethernet for about 3-4 years and it is a d-link dhp-308av. I've tried everything and I cannot find a fix, Its plugged into an extension cord and the middle light is usually red is there a way to fix this problem because I usually stay up late with my mates but I can't because of this problem.

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Ethernet Light Orange/ "Local Area Network" Not in Network List

Last night I noticed my ethernet light on the back of my computer was orange. I did some research to find the reason. Some websites said it was an increased connection speed. Others said a problem with the connection.
The local area network is no longer in the list of network connections and the other computer in my house has a green light on the ethernet port.
I've used all the cmd.exe ipconfig steps suggested by websites. Flush dns, reset dns, etc. I've also used the network troubleshooter in windows10 which told me a problem was not found.
Nothing seems to change the light back to green. Can someone help me find the problem so I can fix it?

 

Wired(Ethernet) connection

Hi Zhjlondon,

We'd like to know more about this concern. Please answer the following questions:

• What troubleshooting steps have you tried so far?
• Have you tried using a different Ethernet cable? If so, may we know the result?
  
• Are you experiencing the same issue on all of your devices?

 

How to connect to internet using ethernet (hard wired)

This has yet to happen. Are there any steps I can take to configure ethernet to work hard wired?