if the card is being recognized by the computer you can run data recovery software to see if the data can be retrieved. there are many free and paid recovery software out there to choose from. sandisk recommends rescue pro made by LC Technologies. It is a paid app but has a free trial you can use to see if it would work.
https://www.lc-tech.com/pc/sandisk-rescuepro-and-rescuepro-deluxe/
