TV picture flickers during playback

• Brightness pulses as a scene changes: compare a different scene and another source; Sony documents flicker related to contrast processing when image brightness changes rapidly.
• The entire image flashes, tears or loses signal on one HDMI device: check that source and its cable/input path.
• The TV menu or built-in picture test also flickers: the symptom is not limited to one streaming app or HDMI device; use the TV maker’s service guidance.
• Motion looks jumpy but brightness remains steady: that may be motion judder rather than screen flicker; do not change display hardware settings based on the word ‘flicker’ alone.

Forum reports use ‘flicker’ for different symptoms—from brightness changes in dark scenes to an app-specific signal problem. Those posts help explain why the symptom needs a precise description, but they cannot establish the cause of your television’s behavior.

1. Pause the video and check whether the TV’s home menu or settings overlay is steady. Then return to playback.

   If the menu is stable while one video flickers, the source, app, format or processing of that content deserves the next check.

   If that does not help: If the menu also flickers, note it and use the model’s built-in picture test rather than troubleshooting only the streaming app.

2. Try a second app or input and, where possible, a different piece of content in the same app.

   If the symptom follows only one title or app, the TV-wide display is less likely to be the only factor. If it follows every source, the TV’s picture diagnostic becomes more important.

   If that does not help: If there is no second source, record the exact app, content and time the flicker begins for the manufacturer or app provider.

3. If the TV provides a built-in Picture Test, run it using the manufacturer’s instructions.

   Samsung advises using its Picture Test for flickering. If the test image flickers too, Samsung directs owners to request support; a clean test points toward the source/input branch for further checking.

   If that does not help: If your model has no Picture Test, do not use Samsung’s path on another brand. Use that maker’s display diagnostic or support page.

1. For a built-in app, check whether another app plays steadily and whether the same title flickers on another device if one is available.

   If only one service is affected, report the title, app version and time to the app provider; a TV-wide setting change may not help.

   If that does not help: If several built-in apps flicker, check TV software and picture diagnostics using the manufacturer’s steps.

2. For an external HDMI device, reseat the cable and test another input or cable one change at a time.

   If the flicker stops after one specific change, that narrows the external signal path.

   If that does not help: If the TV’s own menus and built-in test are also affected, contact the TV maker; if only that source fails, contact the external-device maker.

Sony documents one model-specific cause: image-quality optimization such as contrast processing can produce flicker when brightness changes rapidly. Its support guidance suggests trying a different Picture mode and changing named brightness/contrast settings on applicable TVs. This is a targeted comparison, not a universal fix. If you try it, change one setting and note its original value so you can restore it.

1. If your TV matches Sony’s supported models and the flicker tracks bright-to-dark scene transitions, follow Sony’s page to test its documented picture-processing settings.

   If the flicker changes with that single setting, image processing may contribute to the symptom.

   If that does not help: Restore the original setting and continue with the picture-test/source comparison; do not turn off unrelated settings in bulk.

2. If the flicker occurs in the Picture Test, across menus, or with all sources regardless of scene brightness, stop adjusting picture controls and contact the manufacturer.

   The symptom is no longer confined to a specific app or processing condition.

   If that does not help: Give support the model, test result and a short description or safe external video of the symptom; do not open the TV.

A single flickering video cannot tell you whether the cause is the app, input cable, processing setting or television. Conversely, a temporary improvement after a restart does not prove the problem is fixed. Compare sources and the built-in test, then observe whether the symptom returns. If it persists in TV-generated menus or diagnostics, ask the manufacturer to assess it.

• Problems with the picture on Samsung TV or projector — checked 2026-10-24
• The screen flickers when the brightness changes rapidly — checked 2026-10-24

Why does my TV flicker only during streaming?

The symptom may follow a particular app, title, video format or picture-processing condition. Compare a second app and the TV’s built-in picture test before concluding that the panel is faulty.

Does flickering mean the TV screen is broken?

Not necessarily. A source, cable or image-processing setting can produce flicker. If the TV’s own picture test or menu also flickers, contact the manufacturer for model-specific diagnosis.

Should I turn off all picture settings?

No. Test only the setting the manufacturer associates with your symptom, change one at a time and retain the original value so you can restore it.