|... this is a little late (....done and dusted?)|
... place the cd/dvd into it's tray and restart the laptop and it should boot off the cd/dvd, depending on what sort of recovery it is the normal(?) function would be to restore the image from the "source" cd/dvd (...or hidden partition) to the "destination" harddrive overwriting and wiping all data off, which is like a format (...sort of)
... and you should end up with a clean install!
... Posting is provided "AS IS" with no warranties