OBS diagnostic issues

Full troubleshooting articles with symptoms, fixes, verification, and rollback.

Hotkeys

Hotkey conflicts with games or OS

OBS hotkeys do not fire because the game or OS captures the same keys.

Resolution & scaling

Incorrect canvas or output scaling

Output looks cropped, stretched, or letterboxed from canvas/output mismatches.

Auth failures

Invalid or leaked stream key

Stream fails to connect because the stream key is wrong, revoked, or accidentally exposed.

Laptop multi-GPU

Laptop multi-GPU capture and encode problems

Laptop iGPU/dGPU affinity causes black capture, wrong encoder GPU, or terrible performance.

Linux display

Linux Wayland capture limitations

On Wayland, classic X11 capture methods fail; PipeWire portal capture is required.

Linux display

Linux X11 composite window capture issues

XComposite Window Capture fails for some toolkits or when compositing is disabled.

macOS permissions

macOS Accessibility permissions for hotkeys

Global OBS hotkeys fail on macOS without Accessibility / Input Monitoring grants.

macOS permissions

macOS Screen Recording permission for OBS

OBS captures stay black on macOS until Screen Recording permission is granted and OBS relaunched.

Crackling & clipping

Microphone or desktop clipping / distortion

Harsh distortion from levels hitting 0 dB / red in the OBS meters.

Audio delay

Monitoring delay in headset

You hear yourself or game monitoring late in headphones while the stream mix is fine.

Echo

Monitoring echo heard by viewers or locally

Echo or hollow repeat caused by Monitor and Output routing mistakes.

Audio failures

Multi audio track routing mistakes

VODs or recordings have missing or mixed tracks because track checkboxes are wrong.

Dropped frames

Network dropped frames while streaming

Stats show dropped frames (network) from insufficient or unstable upload bandwidth.

Audio failures

No desktop audio in OBS

Desktop/game audio meters do not move and recordings lack system sound.

Audio failures

No microphone audio in OBS

Mic meter stays flat while Windows/macOS/Linux show the mic working elsewhere.

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