Sorry about that you are no longer able to control your cable box.
Being that you have DirecTV as a satellite provider, check out your IR settings inside the DirecTV receiver. Check under the DirecTV option in the following article:
If you notice that the DirecTV receiver is in IR mode make sure the IR Emitter are aligned correctly. Here an article that explains this more:
If the IR Emitters are aligned properly, there is a troubleshooting article that will test out your Emitters. The article is below:
Hope this helps!!!
Sling Media Moderation Team