I've got a 14m2 digital billboard with a computer behind which is working on Xubuntu.

Everything works just fine when it's turned on, the ads are showing correctly and stuff like that, but I need to change those ads. When I used to turn the computer and the digital billboard on it starts and after the boot screen that says Xubuntu it goes straight to the ads (so the ads start playing automatically when the PC turns on).

After reading some things about Ubuntu I wanted to go and use the interface of the computer like in Windows, so I pressed Ctrl+Alt+F1-F7 and there goes my problem. The only thing that my monitor displays is some weird text which looks like the text isn't being decoded.

jumbled text on a monitor

  • I'm new here and i can't post pictures so i can explain better. Whatever i press from Ctrl - Alt - F1 to F6 nothing is readable on the screen. My problem is that i can't login because i can't read the text. – Marley Oct 29 at 15:25
  • Is this small (TTY) text on the billboard, and does the billboard have the resolution to render them properly? Try switching the output to a normal monitor, if the text looks OK there it's an issue with the billboard. Also, why are you trying to switch to TTY? It seems like it would be easier to use the GUI. Just curious, there's probably a good reason. – Tom Brossman Oct 29 at 15:29
  • It would be great to know how do i use the GUI. As i said when i turn it on, it directly starts the ads and i can do nothing. If i press anything on the keyboard it just navigates through ads. Ive been using it with a monitor also and still the same thing. 😑🙁 – Marley Oct 29 at 15:43
  • What is the application that automatically runs full-screen ads at boot? And what does its documentation say about how to exit the application and return to the desktop GUI? – Tom Brossman Oct 29 at 15:46
  • I don't know the name of any app. When i turn it on, in the monitor i can see the spec of the computer afer that the xubuntu logo and then ads. That's all. – Marley Oct 29 at 15:51

ALT+F4 combination should close the app and display the XFCE desktop.

  • ALT + F4 doesn't do anything man. – Marley Nov 12 at 10:59

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