oftenly, when you buy a new notebook@laptop. you will have 2 divison of hard disk, oftenly called RECOVERY and LOCAL C. but, in the local C, it have many space that can devide it into 2.
using G-PARTED, you do not need to reformat your laptop anymore. it is easy to used. before using the G-PARTED, please run disk diafragmanted first. after that, you can divide your hard disk into 2 or 3. please take note that, download G-PARTED first and burn it in the CD ( .iso format) .