The idiom 'to ring a bell' or 'ring a bell with someone' means to sound familiar or to remind someone of something or to awaken a memory somewhere in someone's mind. This is an informal expression you might use more in conversation.

1. Sorry, I'm afraid I don't remember you and your name isn't ringing any bells either, where did you say we met before?
2. I met a man outside the shop yesterday who says he knows you. Does the name 'Kevin Myers' ring a bell? Apparently you both went to the same school.
3. Mary's description of the place really rings a bell. I must have been there before!

1. The name of that company rings a bell with me but I couldn't give you any details about them.
2. Their account was the one we had a payment issue with back in January, does that ring a bell?