Windows 10: LAN often disconnects

I have been working from home for around 2 months now, and have noticed a very much recurring problem when I turn on my computers. I have my own personal computer that I've had for almost 2 years now, and prior to working from home, I've not had any problems with my LAN disconnecting.The problem started when I was asked to bring home my office computer when I started working from home. I already had 2 LAN cables, so I didn't need to keep changing the I use with my personal computer to my office one, and vice versa. When I was testing out the connection for my office computer, I found out that

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Good LAN party games?

Most of my suggestions have already been listed.

However, I found Swat4 to actually be a pretty fun LAN game, especially at smaller LAN parties.

 

external display disconnects LAN?


So I'm using a laptop with windows 10 through HDMI to a TV for display, after 10-20 seconds my LAN on modem turns off. forcing me to restart modem because all devices disconnect. I am able to use the laptop without the TV turned on, but as soon as I turn on the TV my internet goes kaput.... any suggestions. I am 100% sure its a windows 10 problem.

 

LAN keeps on Disconnecting.

Hello, i recently have this problem, my LAN keeps on disconnecting. and when i click troubleshoot, it will be temporarily fixed (Default gateway is not available - Fixed) and for a couple of minutes it will disconnect again. i already tried updating the
drivers and still, it will disconnect again. tried rolling-back the drivers and still, the same issue. i already did system restore but the problem is still there. cable is fine, as it is still new. i have no choice but to connect thru wifi. Hope someone can
help me solve this issue. i search thru net and some are suggesting to disable the (power effeciency) on properties of the driver, already did that. but still, the same problem.