I am guessing that you want to repair the laptop yourself if you can find the part.
I googled the drive part number and found all kinds of hits for the drivers, but none for the drive.
If you cannot find the drive, an inexpensive alternative is a small external drive.
If you can find the drive, take a look at this:
http://www.tomshardware.co.uk/forum/53660-20-notebook-l...
It's for a Toshiba, but the general principles still apply.