Recording not working

I'm trying to record my students on Zoom but it doesn't always record.  I did one recording and converted it to watch it. The video recorded but we needed to redo it.  Then we did a second recording and nothing showed up in my zoom folder.  I tried a third time and still nothing showed up to convert and after ending the meeting, the pop up did not appear to start converting the recording.  I promise I was pressing record to my computer but it just didn't do anything.  How can I prevent this from happening again?