An updated and more detailed post can be found HERE.
It provides more information and breakouts to get you
the parts and accessories you need.
Follow the link below to determine if your machine is in warranty and when your warranty expires.
If your machine is still under warranty you can contact support for replacement parts.
If your machine is not longer under warranty you can locate the CRU for the part needing replacement. A CRU is a service part that can be removed and replaced by the customer.
Lenovo® has parts removal and replacement videos, to learn more, click: