When you're in the BIOS, it will tell you on the lower right hand corner what "Save and Close" is, i.e. F10 I believe it should be. Save and close and see if that rids the computer of the successfull install message.
When you're in the BIOS, it will tell you on the lower right hand corner what "Save and Close" is, i.e. F10 I believe it should be. Save and close and see if that rids the computer of the successfull install message.