DVR no longer records
We got a Comcast DVR a couple of months ago, and it's mostly worked ok.
But suddenly it won't record programs, and our recorded programs seem to have disappeared.
When I try to record a program, it offers to remind, not to record. When I press the Xfinity button, and then press Saved, it shows reminders of programs I have just tried to set to record, instead of programs we had recorded.
Watching live TV still works fine, and so does watching Netflix.
Can anyone help?