Troubleshooting steps for disconnection problems in Hearthstone
Troubleshooting steps for disconnection problems with the Blizzard mobile app
Out-of-date drivers and operating systems can cause a variety of issues, and are one of the first things to check when a game is having problems.
Follow these steps to troubleshoot problems with your low-speed or wireless internet connection.
Troubleshooting steps for performance-related problems.
Troubleshooting step for connection-related problems on Windows.
Information about troubleshooting problems with the Blizzard Battle.net friends list
Information on HCT Choose Your Champion pack reward delivery
How to remove your Blizzard Authenticator
Instructions on how to delete your Battle.net files.