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Appendix A. CRU instructions
Customer Replaceable Units (CRUs) are parts that can be upgraded or
replaced by the customer. If a CRU is determined to be defective during the
warranty period, a replacement CRU will be provided to the customer.
Customers are responsible for installing the self-service CRUs for this
product. Customers also can install optional-service CRUs, which might
require some technical skills or tools, or request that a technician install the
optional-service CRU under the terms of the applicable warranty service
type for your country or region.
CAUTION:
Set the built-in battery in Ship Mode before replacing a CRU or sending your
computer for service.
1
Turn off the computer and disconnect the AC adapter.
2
Press Fn + S + V.
3
Press the Power button to verify if Ship Mode has been set.
Notes:
• The illustrations used in this chapter are of the Lenovo ideapad 320-17ABR, unless
otherwise stated.
• The illustrations in this manual might differ from the actual product. Please refer to the
actual product.
• The CRU service is only applicable to certain countries.
Note: When set in Ship Mode, the battery does not supply power to the computer. To awake
the battery from Ship Mode, connect the AC adapter to your computer.
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