Hi! I understand your PBS app screen on the TV is showing a blank screen. Let's see if we can get that fixed for you. Just to clarify, are you using a smart TV, a streaming device (like Roku, Apple TV, Fire Stick), or something else to watch PBS? Also, have you tried any steps so far?

In the meantime, here are some straightforward troubleshooting steps to start with:

1. Restart your TV or streaming device: Turn it completely off, unplug it from power for about 30 seconds, then plug it back in and power it on. This can clear temporary glitches.

2. Check for app updates: Make sure the PBS app is updated to the latest version on your device. An outdated app can cause display issues.

3. Force-close and reopen the PBS app: Sometimes, just closing the app fully and reopening it helps.

4. Uninstall and reinstall the PBS app: If the above steps don’t help, uninstall the app completely and then reinstall it fresh. This clears any corrupted data or cache causing the blank screen.

If you let me know your TV or device type and what you have tried, I can guide you more specifically. Does this sound good so far?