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What to do if your game doesn't launch after clicking Play.
Information on how Diablo III progress works.
Troubleshooting steps to resolve performance problems in Diablo III.
Troubleshooting steps for latency problems in Diablo III
Troubleshooting steps to resolve a black screen in Diablo III
Diablo III Supported Video Cards
Troubleshooting steps for disconnection issues when playing Diablo III.
Troubleshooting steps to help you connect to Diablo III
How to report a bug in Diablo III