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Chapter 3. CRU replacement
Customer Replaceable Units (CRUs) are parts that can be upgraded or replaced by the customer. The
computers contain the following types of CRUs:
• Self-service CRUs: Refer to parts that can be installed or replaced easily by customer themselves or by
trained service technicians at an additional cost.
• Optional-service CRUs: Refer to parts that can be installed or replaced by customers with a greater skill
level. Trained service technicians can also provide service to install or replace the parts under the type of
warranty designated for the customer’s machine.
If you intend on installing a CRU, Lenovo will ship the CRU to you. CRU information and replacement
instructions are shipped with your product and are available from Lenovo at any time upon request. You
might be required to return the defective part that is replaced by the CRU. When return is required: (1) return
instructions, a prepaid shipping label, and a container will be included with the replacement CRU; and (2) you
might be charged for the replacement CRU if Lenovo does not receive the defective CRU within thirty (30)
days of your receipt of the replacement CRU. For full details, see the Lenovo Limited Warranty
documentation at
https://www.lenovo.com/warranty/llw_02.
What are CRUs
Refer to the following CRU list for your Chromebook.
Self-service CRUs
• ac power adapter
• Pen dummy*
• Electronic pen*
• Nano-SIM-card tray*
• Power cord
Optional-service CRUs
• Base cover assembly
* for selected models
Note: Replacement of any parts not listed above, including the built-in rechargeable battery, must be done
by a Lenovo-authorized repair facility or technician. Go to
https://support.lenovo.com/partnerlocation for more
information.
Replace a CRU
Follow the replacement procedure to replace a CRU.
Pen dummy
Prerequisite
Before you start, read
Generic Safety and Compliance Notices and print the following instructions.
For access, do the following:
© Copyright Lenovo 2022 17
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