You can use Print Screen key to take a snap shot of what you see on your monitor. You then open paint or a similar program and select paaste from the menu and you will have a picture of what was on your monitor at the time the key was pressed.
The only time I have used pause is to pause the post during bootup but don't worry about that its mainly used when troubleshooting
The only time I have used pause is to pause the post during bootup but don't worry about that its mainly used when troubleshooting