On Wed, 26 Jun 2019 16:25:17 -0400, Paul wrote:

It's too bad you didn't mention the Ebay item, to see
if there was any semblance of a specification for it.

https://www.ebay.com/itm/382885459517

They say:


Max. Forward Current: 20mA

- For red ,yellow ,green it is 2V , 20mA ,forward voltage is 2-2.2V


Maybe I'm overvolting it. I think that motherboard pin had 5v. But I'm
not sure. I need to open the case and check it again. I'll get back to
you later on that.