At this point, we'll assume that the full system backup has completed successfully, and that you have gone through the process of replacing your old hard drive with the new one.
If you want to continue with the Windows system restore process, you'll have to insert your Windows disc and make sure your system can boot from it. Many laptops have this ability as the default setting. Some systems will prompt you to verify that you actually want to boot from an optical disc. And on other systems, you might have to change a BIOS setting. This can be done at boot by pressing DEL, F2, or another key that is usually announced. You want to change the order in which the system tries to boot from various, available drives. Consult your system or motherboard manual if necessary.
Once you've successfully booted off the Windows installation disc, you’ll see the welcome screen. Continue by clicking on "Repair your computer."