If it's bleeping all the time, and not finding an OS:
EITHER
1) Hard drive controller failure,
OR
2) Actual hard drive failure,
OR
3) Motherboard failure.
If it's 1), the hard drive itself might be okay, and therefore salvageable. But without seeing it, or without further information, we can't really give you much more than what it's been in my fiancé's and my experience.
How old is said laptop? What's the make, what are the specs? Is the hard drive an SSD or HDD? Have any configurations been changed on it lately? Have there been new parts?
demon1000
hmmm...What Kind of Beeping Noise? You can Try To PM me With these things...