First thing to happen after putting in the new bios is the computer tells me the OS failed to start. Tried to see if I could undo any changes in the bios settings then tried starting it again. Now it tells me the operating system is missing. Let the computer stay off for a while and all of a sudden the OS starts booting up but only to where the logo starts to diplay before it decides to restart it's self and prompt me to either do a startup repair or attempt to start normally, neither of which work. What should I do and what can I do. Relatively new to doing something like this.