Disconnect your console from the modem.Disconnect the modem from the power outlet.Play NBA 2K and see if you’ll experience any connection issues.Connect your console to your modem directly via an Ethernet cable.Connect your modem to the power outlet.Disconnect your router and modem from the power outlet.NOTE: The steps below must be followed in order to ensure proper connectivity.WARNING: Other devices on your network will not be able to connect to the internet during this test. (Xbox and PlayStation only) You can also try connecting your console directly to the modem instead of the router.You can look at your router’s manual for more information. Some routers have specialized settings for gaming.Dynamic Packet Filtering / Stateful Inspection.NOTE: If modifying these settings makes no difference on your game performance, then it is recommended to return them to their default settings.Here are a few that you can try disabling (or enabling): Certain features on your router can also impact performances.

If that’s the case, try playing online when fewer people are using the internet.

If you’re on a college campus or a home network that makes heavy usage of streaming services (Netflix, Twitch, etc.), downloading large files over the internet or playing other online video games, then you are more at risk of experiencing disconnection issues. Your connection strength can be affected by how busy your network is.NOTE: It may take a few minutes for your internet connection to be restored while the modem fetches all of its information from your Internet Service Provider (ISP). Disconnect your router and modem for 60 seconds from the power outlet, then reconnect them to the outlet.

For reference, here is a list of platform-specific troubleshooting guides:

Perform a network connection test for your console.

Wireless signals (Wi-Fi) can often experience interference and the signal quality can drop over time.

(Xbox and PlayStation only) Make sure that your console is connected to your router directly using an Ethernet cable.

Verify that other devices on your network can connect to the internet.

NOTE: If you are experiencing an 'EFEAB30C' or '4B538E50' error code which prevents you from accessing any or all NBA 2K online features, please refer to this article: If you are experiencing disconnections or performance issues (lag) or other error messages when connecting or playing online modes in NBA 2K titles, please refer to the connection troubleshooting below:

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