A black screen in OBS can come from the wrong capture source, a GPU assignment mismatch, a game that does not accept Game Capture, or a fullscreen window that stops drawing when it loses focus. Start by identifying what is black, which source you added, and which operating system you use; the right fix depends on those details.
The steps below focus on OBS Studio. Windows-specific settings are labelled as such, and they do not apply to every streaming app or operating system. Change one thing at a time and test the same scene again so you can tell which branch made a difference.
Identify what is black and which source you are using
First distinguish a black preview from a black recording or live output. If the OBS preview is black but a short recording shows the image, the problem may involve preview behaviour rather than the captured output. If both are black, investigate the source and target. If the image appears but stutters, that is a different problem: performance or encoding overload can make a working capture look broken.
In the Sources list, select the item you expect to show the picture. OBS identifies the source type there: Game Capture, Window Capture, Display Capture, or a video input such as a webcam. Check that it is visible, not hidden behind another source, and that its eye icon is enabled. A source can be present but covered by an opaque colour, image, or browser source higher in the list. Temporarily hide the other sources to rule that out.
Write down three details before changing settings: your operating system, the source type, and what you are capturing. For example: “Windows laptop, Game Capture, a DirectX game” is a useful starting point. “OBS is black” is not specific enough to choose a setting safely.
If you are using Streamlabs Desktop or another application, its labels and capture behaviour may differ. OBS guidance is not a universal recipe for every streaming programme. The general method still helps: confirm the target, source, operating system, and whether the failure is in preview, recording, or output.
Match the capture source to the content
A capture source is not a general-purpose window onto everything on your computer. Choose it by what you want to show. OBS’s Game Capture Source guide says Game Capture is for DirectX or OpenGL games on Windows. For an ordinary app, select its window; for everything visible on a monitor, capture the display.
| What you need to capture | Source to try | Important qualification |
|---|---|---|
| A supported Windows game | Game Capture | Some games block or conflict with its capture method. |
| A particular app or game window | Window Capture | The target window must be available to select and draw its contents. |
| The whole monitor | Display Capture | Method and compatibility depend on platform and OBS version. |
| A camera or external video input | Video Capture Device | This is a device source, not a desktop or game capture source. |
On macOS, OBS points users to macOS Screen Capture or Display Capture rather than Game Capture. On Linux, its Game Capture guide identifies Window Capture as an alternative. Those are source choices, not full platform-specific troubleshooting instructions; this article does not assume that Windows menus or permissions exist elsewhere.
If Display Capture is the source that is black on Windows, check the specific method and versions in OBS’s Laptop Troubleshooting guide. For the newer Windows capture method, OBS lists Windows 10 version 1903 or later and OBS 27 or later. When automatic method selection fails, OBS says to try selecting the Windows 10 method manually. Do not apply this requirement to Game Capture or treat it as a general fix for all black previews.
The choice can matter in a practical setup. If a devotional channel needs a music player and a few windows, Window Capture can keep unrelated desktop notifications out of the picture. If a local-news operator wants the whole rundown screen, Display Capture may fit better, though it will also show anything visible on that monitor. Make the source match the intended picture before investigating GPU or game-specific issues.
Check GPU assignment on Windows
This branch is for Windows laptops with integrated and discrete graphics. The system can assign OBS to one GPU and a game to another. OBS explains in its GPU Selection Guide that this split can prevent Game Capture from accessing a game running on the other adapter.
On Windows, open Settings → System → Display → Graphics and find OBS in the app list. If it is missing, use the option to browse for a desktop app and add the OBS executable. Close OBS before changing its graphics preference, then reopen OBS and the target application and test again. The exact wording in Windows may vary by release.
The source type matters here. OBS recommends setting OBS to High Performance for Game Capture and Window Capture, and Power Saving for Display Capture in the circumstances covered by its guide. This is not a blanket rule to put OBS on the faster GPU: Display Capture has a different path, and the laptop guide describes a newer Windows capture method that can work when OBS and the monitor use different GPUs. If your failing source is Display Capture, check that guide’s method-specific advice instead of copying the Game Capture setting.
Change only OBS’s preference first, then repeat the same test. If the picture returns, you have evidence that the assignment mattered. If not, restore or reassess the setting rather than changing GPU preferences for several applications at once. On a desktop with one active GPU, this laptop-specific branch may not apply.
Troubleshoot Game Capture support
If you have matched a Windows game with Game Capture and still see black, consider whether that particular game permits the capture method. OBS’s troubleshooting page lists games with known constraints and suggests alternatives for some of them, including Window Capture or running in windowed or borderless mode. Look up the current behaviour for the game rather than assuming that all games use the same rendering path.
Try a controlled test: change the game to borderless or windowed mode if it offers that option, then add a Window Capture source for the game. Confirm the selected window is the game itself, not a launcher or login screen. If one source works and the other does not, keep the working source if it meets your needs. The point is to establish compatibility, not to force every game through Game Capture.
Some titles, including certain DirectX 12 games, may have capture or crash issues. OBS suggests trying DirectX 11 if the game offers it. That is a game-specific test, not a reason to alter graphics settings in unrelated software. Similarly, OBS’s list notes that some games may require OBS to run as administrator. Try that only when the title’s documented behaviour points to it; administrator mode is not a universal first step.
For game-specific notes, begin with the OBS Game Capture troubleshooting page. Its examples may change as games and software are updated, so treat the page as a place to verify current advice, not as a permanent list of every affected title.
Check focus and fullscreen behaviour
A fullscreen game can stop rendering when it is minimised or when you switch focus to another window. That may make the OBS preview go black even though capture works while the game is active. Before deciding that the source has failed, record a short test while the game is in focus, then compare it with a test after switching away.
OBS recommends verifying with a test recording or keeping OBS visible on a second monitor. If you have one screen, use a repeatable sequence: start the game, wait for the scene to appear, begin a local recording, and switch away briefly. Check the recording afterwards. A black frame only during the switch suggests a focus/rendering limitation, while a black image from the start points back towards source choice, game support, or another conflict.
Borderless or windowed mode can be worth testing when the game’s exclusive fullscreen behaviour interferes with capture. It can change how the game behaves when you switch windows, but it does not guarantee that the game will cooperate. Keep whichever mode gives you a stable image without disrupting how you operate the stream.
This distinction is useful for an always-on channel too. If the live scene is meant to show a game or a rotating desktop, a focus test during setup can reveal a failure that would otherwise appear only when you open OBS or another application. For a fixed video playlist, a media source or a pre-recorded workflow may be more suitable than capturing a fullscreen player window; see the practical notes on fitting different aspect ratios in an OBS playlist.
Look for conflicts, then retest
Overlays, FPS counters, monitoring tools, and other applications that hook into a game can conflict with capture. OBS recommends disabling known conflicting tools during diagnosis. Close or turn off one at a time, then test the same game and scene. If the picture returns, re-enable tools one by one so you can identify which combination causes the failure.
Avoid making a long sequence of unrelated changes. If you alter the capture method, GPU assignment, game display mode, and overlays together, a successful test will not tell you what solved the problem. Keep a short note of the original setting and each change. This makes it easier to undo experiments and prevents a temporary workaround becoming an unexplained permanent configuration.
If the preview is not black but the recording is choppy or OBS reports encoding overload, follow the performance branch instead. OBS needs GPU resources to composite and render scenes. Close other GPU-heavy applications, limit the game’s frame rate or use V-Sync, reduce graphics demand, and simplify scenes or sources. These actions may help with stutter, but they are not a universal remedy for a completely black image. For channel operators planning a long-running output, the resolution choices for a 24/7 YouTube stream also affect the load your machine must handle.
Retest after each change with a recording, not only by glancing at the preview. Use the same target window, scene, and focus state, and let the test run long enough to expose the specific behaviour you are investigating. If the failure persists, record the OBS version, operating system, source type, game or application name, and what you already tried. Those details make the next troubleshooting step more precise.
A black preview in a capture source is separate from a stream that reaches YouTube but buffers for viewers. If your OBS recording looks correct and the issue is playback at the viewer end, use a different diagnostic path, such as the guide to why a 24/7 stream buffers for viewers but not for you.
When the content can be prepared as a video file rather than captured from a live desktop, you can avoid dependence on a game window staying open and in focus. StreamNeo removes that particular capture-session problem by turning an uploaded video into a YouTube live stream, so your computer does not need to remain switched on for the broadcast. It is YouTube-only; it will not fix an OBS capture source that you still need for live computer content.
Before committing, compare the operating options on the pricing page. When the file and channel are ready, start free — 24-hour trial, no card.
FAQ
Why is Game Capture black but Window Capture works?
Some games do not permit OBS to hook into them with Game Capture, or another overlay or monitoring tool may be interfering. Try the game in windowed or borderless mode and use Window Capture if it produces the image you need. Check the OBS troubleshooting page for game-specific advice.
Should I always set OBS to High Performance in Windows?
No. OBS’s GPU guide recommends High Performance for Game Capture and Window Capture, and Power Saving for Display Capture in the scenarios it covers. Confirm your source type first, and consult the separate laptop guidance if the failing source is Display Capture.
Why does the preview go black when I switch away from a fullscreen game?
Some fullscreen games stop rendering while minimised or out of focus. Make a test recording or keep OBS visible on another monitor to see whether the image returns when the game has focus; windowed or borderless mode is another test, not a guaranteed fix.
Do these steps apply to macOS and Linux?
The GPU assignment instructions here are specifically for Windows, and Game Capture is a Windows source in OBS. OBS points macOS users to macOS Screen Capture or Display Capture and Linux users to Window Capture as alternatives. Check current platform-specific documentation for permission or capture details not covered here.