Broken key (I think)... Yamaha PSR175

by Scott St. Gelais
(Phoenix, AZ., USA)

My wife has a Yamaha PSR175 and she accidentally knocked over and pulled one of the white keys up. It seems like it should just push back into place but won’t. Any ideas on how I can fix this?

Thx,
Scott St. Gelais
saint@stgelais.com