My Dell laptop will give you a choice where to boot from if you hit
F12 repeatedly while it's going through its boot thing, from power up
onwards until it responds to you.

I've never been able to do it just hitting F12 once. I guess the
timing is too hard to get right with just one.

--
Ron Hardin
rhhardin@mindspring.com

On the internet, nobody knows you're a jerk.