My Mother is in home and wants to do nothing. How can I get her to socialize a little?

My mother does not even care to talk with the staff. She had no interest in walks, music, manicures or going outside. She was getting to where she did not want to go anywhere months before she went into the home. She only watches the same movie over and over. But now it's worse. I tried everything I know. It is making me more guilty and more frustrated every time I try to get her to do anything, The carnival at the home was a washout.
I try to be grateful she watches her movie and is not in pain. But still.