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Playing games disables internet on anything but game?

post #1 of 8
Thread Starter 
Hey guys, I used to have this problem with my internet, and its recently started to occur again and I'm not sure why. While playing games like League of Legends and Tera, my internet will randomly disable connections for everything on my computer except for the game I'm currently playing. I'll still be able to play the game normally, but my VoIP client will disconnect and not reconnect, my web browser will also refuse to connect. In general, everything just goes offline but the game. When I turn off the game, everything reconnects and then I can load up the game again, but its quite a hassle in most situations.

Does anyone know what could possibly be causing this? I'm still able to connect to the wireless on my phone, but my LAN on my computer just completely breaks. Thanks in advance.
post #2 of 8
Need more information.

What operating system, motherboard, and LAN chipset are you using?
What Internet router and router settings?
Do you have any third-party Internet connection monitoring or protection software installed, e.g. Norton 360 or something like that?

If your phone and other wireless devices continue working properly, it sounds like the problem is contained in your PC. First thing that comes to mind is you have network stack issues, which could be caused by bad network drivers in your OS. One simple thing to try is replace the network cable between your PC and switch/router - could be it's getting overloaded with TCP re-transmits during gaming due to the high frequency of asynchronous packets to and from the gaming servers.

Greg
post #3 of 8
Thread Starter 
Im using Windows 7, my motherboard is an ASUS Maximus III GENE, my LAN chipset is a Realtek PCIe Family Controller.
My router is the SMCD3GN, but I just noticed Im not able to use the default information to log in... We upgraded our internet a couple days ago, but havent changed any settings that I know of. I also have no third party programs that Im aware of.
post #4 of 8
Did you have this gaming/connection issue before you changed the router a couple of days ago? e.g. is this a new issue?

I'd look first at replacing your network cable with a good quality Cat 6 or Cat 5E cable, and next at updating the Realtek LAN drivers. Make sure you don't play with the duplex/speed settings in the Realtek driver, leave it on Auto/Auto since the switch/router is undoubtedly set to Auto/Auto. If one side is set to manual config and the other side if set to auto config, you end up with a handshake packet loop that never ends.

Greg
post #5 of 8
Thread Starter 
This issue used to occur, but it was very rarely and had stopped for quite a long time. We've had the new router for about a week and the issue has only started yesterday, but I think changing the cable might be the key.
post #6 of 8
Thread Starter 
Changed the cable to about 3 different ones to see if any worked, the problem still occurs. Updated my LAN chipset, and even did a winsock reset and netsh reset to see if that would fix my issue. Its still happening.

Edit: Forgot to mention, we didn't actually get a new router, we got a new cable box, so I don't know if that affects my problem.
post #7 of 8
The problem sounds more like incorrect QoS settings on your local PC. If you changed the priority of your game to the highest priority this would be the culprit.

QoS settings should always be the following
Routing - Highest priority
Voice - Second highest
Video - Third
(If you are less concerned about video or web then put your game at Third)
Everything else - Best effort
The Raven
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The Raven
(16 items)
 
  
CPUMotherboardGraphicsGraphics
i7-2600K Gigabyte GA-P67A-UD5-B3 EVGA GTX 570 SC EVGA GTX 570 SC 
RAMHard DriveOptical DriveCooling
16GB G.SKILL Ripjaws X 1866 Samsung 840 Pro  iHAS324 - Lite-On DVD-RW Noctua NH-D14 
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Windows 10 ASUS VN248 ASUS VN248 Logitech G510 
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XFX 850W BE SILVERSTONE RV02B-EW Logitech MX518 
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post #8 of 8
Thread Starter 
Im on my router settings by entering in the ip to my url, but no where does it allow me to change the priority based on programs. I can enable the QOS module, enable it based by ports, enable DSCP based QoS, I can change it between strict priority and weighted priority and I can also enable DSCP remarking.
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