You mean for security reasons? I’m just going to bin it rather than attempt to recycle, but blanking it might be a good (if paranoid) idea.
The only advice I have other than what has been posted is to hold the drive (while not attached to the computer in any way, obviously) and give it a good twist back and forth in the same direction that the platters spin to see if you can break them free.
Odds aren’t good of this working, but its better than nothing. FWIW I have managed to get a couple of drives to spin doing this over the years.
One of the interesting ones was on an old vax. The drive would seize after about 10 or 15 min. of use. So, we got the bright idea to power the drive up from an external source and ever time it seized we turned the drive off, twisted it sharply back and forth, and powered it back up. VMS actually recovered from this and was able to pull all of the files off of the disk, though it did take about 4 days. Try that on a windows or a linux box!
On the other hand, if you can’t see the drive at all in the bios (not sure if this is still true with all the freezing etc. you’ve been doing) then its not just the platters and the drive controller is toast too. In that case its a lost cause.
If you’re going to write it off anyway, I’d try and open it and nudge it along to see if it would spin up. Clean room or not, you might be able to make it work for a short time.