Symptoms
- Screen goes black right after tapping the app icon
- App icon bounces but nothing appears
- Sound plays but no picture shows
- Returns to home screen after a black flash
Likely causes
- CommonApp bug on launch, often after an updateA recent app or OS update can introduce a rendering bug.
- CommonCorrupted app cacheDamaged temporary files can block the interface from drawing correctly.
- PossibleLow memory forcing a partial crashThe app may start but fail before it can display content.
- PossibleGraphics driver or OS compatibility issueSome apps rely on specific system graphics features that may be out of date.
- Less commonCorrupted app installationA partial or interrupted install can leave the app broken.
What to do
- Force-close the app and reopen it.
- Restart the phone to clear memory and temporary glitches.
- Check for and install any pending app update.
- Clear the app's cache in your phone's settings.
- Check for a pending OS update and install it.
- Uninstall and reinstall the app.
- Try the app on a different phone or account if possible to isolate the cause.
When to call a pro
If the black screen happens in multiple different apps, not just one, that points to a broader display or graphics issue worth a professional diagnostic.
Safety
Generally low risk
Generally low risk for a careful person. Stop if anything looks different from what this guide describes.