To learn more on how to reformat ssd, start by ensuring that all the important files are backed up as formatting will delete all the files stored on the disk. This can be done easily using Disk Management in Windows; it involves selecting the SSD, choosing format, selecting the right file system, and completing the process. Before formatting, ensure that the right drive is selected. However, if the SSD has any important files that need to be recovered, you should not proceed to format but try to recover the files first. Notchox can help recover the data. 
Read more - https://notchox.com/resources/recover-data-from-ssd-with-trim-enabled/