|The files to create the "repair CD" are on your hard drive. Unfortunately, most users don't read the documentation that comes with their computers & the disks never get made.|
Before messing with your Windows installation, make sure your system isn't overheating. Overheating is a common cause of random shutdowns in laptops. Check the underside of your laptop to make sure the air intake vents aren't all clogged with dust, lint, etc. Get a can of compressed air & shoot a good blast into the vents to blow out any dust built up on the cooling fan.