Open Nero
“What would you like to burn?” > Select disc image
In the open box, at the top> Look In-change to the directory where you saved the iso image
At the bottom-in the “files of type box”-select “image files”
Highlight the image
Click open
Click next
Here’s a link to your computer
450ROG
Look under product view>bottom view>hardware reset. Push the reset button in with a paper clip. Might straighten out that bios boot issue you are having (actually both issues you seem to be having)