# Screen open event not firing when using tab navigation bar **URL:** \ **Category:** Questions about Thunkable X\ **Created:** [January 15, 2021, 2:51pm UTC](https://community.thunkable.com/t/screen-open-event-not-firing-when-using-tab-navigation-bar/1051727 "2021-01-15T14:51:38Z")\ **Posts on this page:** 1\ **Showing post:** 2
**Author:** ![muneer](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/muneer/32/75210_2.png) [@muneer](https://community.thunkable.com/u/muneer)\ **Post date:** [January 15, 2021, 3:33pm UTC](https://community.thunkable.com/t/screen-open-event-not-firing-when-using-tab-navigation-bar/1051727/2 "2021-01-15T15:33:24Z")
Check this post > [@Issue with "when Screen Starts" event since Jan 12, 2021](http://community.thunkable.com/t/issue-with-when-screen-starts-event-since-yesterday/1047954): > > Hi there, out of nowhere and without me making any changes to the app, I noticed multiple things not working any more when testing in Thunkable Live on Android. Those are just the first three examples I noticed: On multiple screens: “When screen opens, from Label set text to XYZ” doesn’t work. List viewer literally just disappeared and isn’t showing any more on the screen. On one screen: “When screen starts, set labels to XYZ and background images to XYZ, then clone and set visibility to true… --- _[View the full topic](https://community.thunkable.com/t/screen-open-event-not-firing-when-using-tab-navigation-bar/1051727)._