How to receive technical support for problems with your connection to Black Ops 4 servers
How to receive technical support for Black Ops 4 disconnection errors
Information about troubleshooting problems with the Blizzard Battle.net friends list
How to receive technical support for problems connecting to Black Ops 4
Troubleshooting steps for performance-related problems.
There's a problem with the connection to the Blizzard servers.
Troubleshooting for installation-related problems on Mac.
Problems with patching may be resolved by disabling the read-only setting on system folders.
How to receive technical support for performance problems in Black Ops 4
Follow these steps to troubleshoot problems with your low-speed or wireless internet connection.