Duplicate or doubled audio on stream
Viewers hear doubled game or mic audio.
Tools and working references
Reference pages you can keep open on a second monitor while you set OBS Studio up: encoder comparisons, bitrate guidance, capture methods and the checks that tell you which setting is actually hurting you.
461 published pages in this section.
Encoder queue spikes after transitions
Encoding lag spikes when stingers, scene switches, or sudden overlays hit.
Encoding lag from thermal throttling
Encode keeps up until temperatures climb, then skipped frames appear mid-stream.
Encoding overloaded warning in OBS
OBS reports Encoding overloaded! while the stream stutters or looks damaged.
Firewall or security suite blocking RTMP
Outbound RTMP/RTMPS blocked by firewall, antivirus network shield, or corporate policy.
Game Capture fails to hook the process
Game Capture never attaches, or logs a hook failure for the target process.
Game Capture shows a black screen
Game Capture preview and output stay black while the game is visible on the desktop.
High CPU from scene processing plus encode
CPU is high from filters, browser sources, and software encode combined.
Hotkey conflicts with games or OS
OBS hotkeys do not fire because the game or OS captures the same keys.
Incorrect canvas or output scaling
Output looks cropped, stretched, or letterboxed from canvas/output mismatches.
Invalid or leaked stream key
Stream fails to connect because the stream key is wrong, revoked, or accidentally exposed.
Laptop multi-GPU capture and encode problems
Laptop iGPU/dGPU affinity causes black capture, wrong encoder GPU, or terrible performance.
Linux Wayland capture limitations
On Wayland, classic X11 capture methods fail; PipeWire portal capture is required.
Linux X11 composite window capture issues
XComposite Window Capture fails for some toolkits or when compositing is disabled.
macOS Accessibility permissions for hotkeys
Global OBS hotkeys fail on macOS without Accessibility / Input Monitoring grants.
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