i can only teach you how to format it but the supervisor password will still be there.
ok remove the system battery turn the back lose the ram cover remove the CMOS battery leave it for 5 minute plug the charger turn it on allow the the plenty note to appear (bad checksum note) it will ask you to strike f1 to resume instead strike f2 it will take you to bios setting go to boot in the tab using navigation key right now if you want to use flash to format use the navigation down and goto flash use shift + =/+ key behind 0 key note minus takes it down while shift+= take it up either flash or cd make it number one save and exit connect the flash or cd it will boot first congrat

http://www.waecdirect.org/faq.htm then click home

use this link after downloading java sdk jre