TV has a bright spot or dark patch

A bright object that moves with the scene is likely part of the image. A patch that stays at the same screen location while you change channels, open menus, and switch sources is more consistent with a screen-wide or display-path issue—but that pattern alone does not identify a component. First note whether it is bright, dim, colored, sharply bounded, or visible only on particular scenes.

1. Pause on a scene, then open the TV menu and move to another source or built-in app.

   If the spot moves with the scene or appears in just one source, investigate the content/source path first.

   If that does not help: If it stays in the same screen location across menus and sources, continue with a manufacturer-provided test if available.

2. Observe the screen during ordinary varied content at normal room lighting; do not display a static full-screen test for a prolonged time.

   A patch limited to dark scenes or one color may become easier to describe without changing picture controls.

   If that does not help: If you cannot tell whether the patch is fixed, capture a short description and note the specific scene/source rather than using an unverified online test pattern.

Picture modes, local dimming, ambient-light behavior, and source processing can change how bright or dark different areas appear. Controls differ by model and display technology, so copying a setting path or recommended value from another TV can make the picture worse. If the patch began after a change, restore only that documented setting and compare the same content. Do not disable a set of processing controls at once, because that hides which change mattered.

1. Compare the same scene in another app or input and look at neutral content such as a menu background.

   If the patch appears only with one program, title, channel, or device, report that source-specific pattern to the content provider or device maker.

   If that does not help: If it is present everywhere, run the TV’s built-in screen or picture diagnosis where the model offers one.

2. If you recently changed picture mode or screen settings, use the model manual to restore the prior documented value one control at a time.

   If the patch changes with one setting, record that response and the selected mode for support.

   If that does not help: If no setting explains it, stop adjusting brightness or contrast to conceal the patch; those controls cannot establish whether service is needed.

Samsung’s picture troubleshooting recommends its built-in Picture Test for supported models and uses the test result to separate a TV-visible issue from an external-device path. LG and Sony also document model-dependent self-diagnosis for picture symptoms. A TV-generated test is a better first comparison than a test pattern streamed through the very app or HDMI path under investigation. It still has limits: a normal test cannot prove that every scene, brightness level, or source format is perfect.

1. Find Picture Test, Screen Self-Diagnosis, or an equivalent feature in your exact model’s support documentation and run it as directed.

   If the patch appears in the built-in test, provide that result to the TV manufacturer or authorized service provider.

   If that does not help: If the test is clear but one source shows the patch, check that source and its connection instead of assuming the panel is damaged.

2. If no diagnostic feature exists, compare the TV menu and multiple unrelated sources, then record what you observed.

   A repeatable fixed patch across independently generated screens is useful evidence for the manufacturer.

   If that does not help: Do not invent a pass/fail threshold from a different model’s support page; ask the maker for model-specific advice.

A tiny bright or dark point is not the same issue as a broad cloud, vertical band, or a region that changes with the image. Different displays can show some nonuniformity under particular viewing conditions, and warranty criteria vary by product, region, and manufacturer. This guide cannot tell whether a spot is within specification. Photographing the symptom at a normal viewing distance and recording the content/mode can help support staff assess it; avoid extreme exposure settings that make the photo unlike what you see.

• Exact model code, region, approximate purchase date, and software version if available.
• Whether the patch stays fixed while the scene changes and whether it appears on the TV menu/self-test.
• Sources and picture modes checked, plus any recent impact, move, update, or settings change.
• A photo or brief video taken from normal seating distance without applying pressure or extreme camera exposure.

Ask the manufacturer whether the observed test result warrants inspection for that model and region. If the screen is cracked or the spot appeared after impact, say so plainly; the pattern cannot establish warranty eligibility or repair cost.

• Problems with the picture on Samsung TV or projector — checked 2026-10-24
• LG webOS TV picture and sound self diagnosis — checked 2026-10-24
• How to troubleshoot TV picture and screen issues — checked 2026-10-24

Why is there a bright spot on my TV screen?

It may be part of the content, a source artifact, a picture-mode effect, or a persistent display condition. Compare menus, sources, and the TV’s own picture test; the spot’s appearance alone cannot identify a failed part.

Can I fix a dark patch by pressing or massaging the screen?

No. Pressure can damage a TV panel. Use the model’s self-diagnosis and contact the manufacturer if the patch stays in one place across sources or appears in the built-in test.

Will a factory reset remove a bright or dark spot?

A reset may remove a software preference but cannot diagnose a physical display condition and can erase setup. Compare the built-in test first and follow the TV maker’s model-specific advice.