Hi...just got my ideapad (y580) and wondered if anyone has moved the contents on the existing d drive to the c drive and deleted the d drive (and. Understanding hard drive partitions on lenovo systems with microsoft windows 7 and windows 8 - thinkcentre, thinkstation, thinkpadunderstanding hard drive partitions. Solved: what is the difference between my lenovo d: drive vs this pc c: drive besides size? c is much bigger. i know i have a solid state drive, but. Newbie, so bare with me please! ive posted on another forum here, but thought i'd try here since i have a different approach to my question. for some. My lenovo y410 laptop has two drives (partitions, probably), a c and a d. the c (about 23 gb) is almost full. but the d (100 gb) is almost totally free! by.