Before 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.

Before replacing a CRU, click the illustration of the part to check the brief procedures.

Notes

Before replacing a CRU, ensure that you have read the instructions in the Handling static-sensitive devices.
To replace a component that is not in the list below, contact a Lenovo service technician. The support phone numbers are available at http://www.lenovo.com/support/phone.

Keyboard or wireless keyboard
Mouse or wireless mouse
Power adapter
Computer stand
Rear I/O cover
Middle cover
Storage drive
Optical drive
Power button board
System board shield
Memory module
M.2 storage drive

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.