When one of the drives doesn't appear in File Explorer, you can try these troubleshooting steps on Windows 11 to resolve the issue.

The SSD not showing up on Windows 11/10 File Explorer but appearing in Disk Management could be because of a corrupted or incompatible file system. Thus, you can format the disk.

If the exFAT drive is not showing up or mounting on your Windows 11/10 computer, you need to configure the unrecognized drive as active. Here's how!

After rebooting both drives disappeared. They loaded up during boot up, they show up as drives in Explorer and Power Desk. They do not work and do not appear in Systems, Device manager.