crwdns2934241:0crwdne2934241:0 mayer

crwdns2934249:0crwdne2934249:0:

Go here and enter the serial number located on the bottom of your stand.

This will tell you what machine you have and the range of operating systems it will take:

https://everymac.com/ultimate-mac-lookup/

crwdns2915684:0crwdne2915684:0:

open