Micro sd card not detected??

I have a micro sd card that is not recognized by a phone or computer just wondering if there’s a fix? Something that I have missed?

All the fixes I have researched needs at least the drive letter to appear or it to appear in the device manager or disk management BUT I think that means the computer at least knows something is there BUT the computer isn’t detecting anything that I know of.

Hopefully I can somehow get it to at least appear in device manager or my computer/disk management.

Any thoughts on this? Willing to try anything haha
thankyou so much!!!

It's likely dead since a lot of SD cards go bad easily. That being said it could be in a different file system that your OS and phone can't read. APFS or ext4 a Windows or Android/IOS phone may not be able to read. Maybe launch a LiveOS of Linux or the subsystem in Windows 10. Then point the the command DD to the SD card and just wipe out the partition tables. However, as stated it's likely dead. Specially if you've used it before.

Edit: If you were to do this you would need to double check what you're pointing at. Because you will delete everything using the command "dd" in this way.