Connecting Ethernet Crashes Computer - LAN

[Reloaded2]

Hey guys, this has been frustrating for a while now and it is when one PC is connected straight to router via Ethernet cable and the second PC is connected via WiFi, for some reason the PC connected via Ethernet is always crashing on LAN Party's and it just disconnects? It's not the game because we have tried Age Of Empires III LAN, Star Craft II LAN, Command and Conquer LAN's and every time the PC which is connected through Ethernet crashes.

Both PC's have more than enough horse power to drive the games and LAN's and we have tried hosting the LAN from both PC's but still the same outcome? The PC connected via Ethernet cable straight to the router disconnects after about 5 minutes in-game.

Also we know its the Ethernet cable causing the problem because I have hosted LAN's with 2 PC's connected through WiFi using WiFi Dongles to the router and not one it crashes and we can finish the game, and before the PC that crashes through Ethernet cable was using a WiFi dongle before and it never use to disconnect 5 minutes in the LAN game. I have also tried different Ethernet bales and different versions of OS but still the same thing. So can anyone explain the problem and how to fix it because I did some searches and I cannot find what I'm looking for?

Both PC's are using Windows 8.1

 

[Xrqute]

It's probably a setting in your router. Maybe there is a limit max connections option ticked or something. Your router may need a firmware update even.

 

[Reloaded2]

It's probably a setting in your router. Maybe there is a limit max connections option ticked or something. Your router may need a firmware update even.

I'm using virgin media and all the settings are set to default?

 

[Wraith]

Could also be that your router has its network priority set to Wireless, thus kicking the Ethernet when ever the WiFi gets large traffic.

 

[YouWhat]

I've seen this before, its the network negotiation speed and if you lower it from for example 100M to 10M it then gets a stable connection, only slower than a second class stamped letter

The only way I was able to get around this was to use a different router, I never did find out why the machine couldn't handle the 100M line speed. Anyway to test it yourself,
go into network and sharing center on win 7
change adapter settings,
right click on the card, select properties
Click Configure button

Look for advanced tab or adapter settings (or the equivalent for your card)
now look through there for the link state / TX RX negotiation speed, it will probably be set to auto and tries to negotoate at 100M or 1000M, drop it down 1 level to 10M or 100M and click ok, this will then reset the card and will then attempt to connect again with the router.