Recommend getting a digital tuner while your at it.

The built-in fine tuners strip easily and get stuck, requiring a replacement of the tailpiece if you want to be able to use them to tune the cello (if you can get the pegs to stay)4

The fine-tuning tuners are also very difficult to turn and adjust

Teacher asked to have tail piece and fine tuners replaced.

I downloaded a free tuner and tuned the strings according to a quick Google search, and I rosined my bow with the help of wikihow