What to do if you experience high latency or frequent disconnects.

What to do if you internet service provider (ISP) is encountering connection issues.

Information on various types of networks available to the public.

What to do when you suffer input lag in-game

Instructions for troubleshooting your network to allow Blizzard services to work properly.

Troubleshooting steps for connection problems

Troubleshooting performance problems in Modern Warfare II.

Comprehensive troubleshooting for any technical issue you encounter that does not have its own support article

Comprehensive troubleshooting for any technical issue you encounter that does not have its own support article

Comprehensive troubleshooting for any technical issue you encounter that does not have its own support article