Troubleshooting steps for disconnection problems in Hearthstone
Troubleshooting steps for connection problems
Troubleshooting steps for performance-related problems.
Troubleshooting steps for latency in Hearthstone
Information on error BLZBNTBNA000003E8
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.
If you have issues with the sound in your game, such as skipping, popping, screeching, or no sounds at all, follow the steps below to troubleshoot the problem.
Troubleshooting steps for communication and transmission errors.
Information on error BLZ51900002
Information about troubleshooting problems with the Blizzard Battle.net friends list