# Black screen webos 3.4.3

**URL:** <https://forum.webostv.developer.lge.com/t/black-screen-webos-3-4-3/27951>\
**Category:** Web App Development\
**Created:** [October 20, 2025, 1:47am UTC](https://forum.webostv.developer.lge.com/t/black-screen-webos-3-4-3/27951 "2025-10-20T01:47:31Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![hellowen334](https://avatars.discourse-cdn.com/v4/letter/h/e9c0ed/32.png) [@hellowen334](https://forum.webostv.developer.lge.com/u/hellowen334)\
**Post date:** [October 20, 2025, 1:47am UTC](https://forum.webostv.developer.lge.com/t/black-screen-webos-3-4-3/27951/1 "2025-10-20T01:47:31Z")

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Share information and tips or post questions regarding Web app development.

webos sürüm 3.4.3 Yaptığım uygulama emülatörde sorunsuz çalışırken, Tv’de siyah ekranda kalıyor.  
Nerede hata yapıyorum ?

webos version 3.4.3 My application runs smoothly on the emulator, but remains on a black screen on the TV. What am I doing wrong?

sorry my english

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**Author:** ![narae0.kim](https://avatars.discourse-cdn.com/v4/letter/n/87869e/32.png) [@narae0.kim](https://forum.webostv.developer.lge.com/u/narae0.kim)\
**Post date:** [October 20, 2025, 1:55am UTC](https://forum.webostv.developer.lge.com/t/black-screen-webos-3-4-3/27951/2 "2025-10-20T01:55:21Z")

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You can debug your app with the Chrome Inspector. Please refer to [Debug the app](https://webostv.developer.lge.com/develop/tools/webos-studio-dev-guide#debug-the-app). Thank you.