Replacing CRUs
Customer Replaceable Units (CRUs) are computer parts that a user can upgrade or replace. There are two types of CRUs: self-service and optional-service.
To check the locations of CRUs, see CRUs and FRUs locations.
Attention
Do not open your computer or attempt any repairs before reading the Important Product Information Guide.
Before replacing a CRU, click the illustration of the part to check the brief procedures.
Note
To replace a component that is not in the list above, contact a Lenovo service technician. The support phone numbers are available at http://www.lenovo.com/support/phone.