How to resolve issues with slow patch downloads.

We have detected that your video driver may be out of date which may cause performance issues when playing [game_name].

Troubleshooting steps for performance problems

Troubleshooting steps for performance-related problems.

Performing a scan of your computer's physical memory can help identify possible errors.

Information about what to do if you are experiencing reduced performance on the Beta version of the Battle.net Desktop App

Information on error BLZAPPBTS00002

Steps on configuring laptop power management settings.

The video cards supported for use with Cold War and Modern Warfare

A guide for diagnosing and repairing problems with physical hard drives.