AaronSenpai :
I tried that already, still didn't work. And no, it's not brand new, I got it off kijiji for $30
Error message please.
BTW... I'm pretty sure the drive is dead. Worth chasing a few error messages to see if there are other options, but that Diskmanager error is a bad one, particularly if you can't clean the drive.
Have you ever used this drive before?
It's possibly worth trying with some other partition software... MiniTool Partition Wizard Free is decent:
https://www.partitionwizard.com/download.html
Also try a different USB port and cable if you can too, just in case (unlikely, but worth checking).
Finally, is there another computer you can try it in?
If none of the above works then effectively you've used multiple...