Lenovo Y430 Y430 User Guide V1.0 - Page 80

Service and Upgrades, on CRUs, See Appendix B. Customer Replaceable Units CRUs

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Page 80 highlights

Chapter 6. Safety, Use, and Care Information „ Service and Upgrades Attention: Do not attempt to service a product yourself unless instructed to do so by the Customer Support Center or your documentation. Only use a service provider who is approved to repair your particular product. Note: Some computer parts can be upgraded or replaced by the customer. Upgrades typically are referred to as options. Replacement parts approved for customer installation are referred to as Customer Replaceable Units, or CRUs. Lenovo provides documentation with instructions when it is appropriate for customers to install options or replace CRUs. You must closely follow all instructions when installing or replacing parts. The Off state of a power indicator does not necessarily mean that voltage levels inside a product are zero. Before you remove the covers from a product equipped with an ac power cord, always make sure that the power is turned off and that the product is unplugged from any power source. For more information on CRUs, See "Appendix B. Customer Replaceable Units (CRUs)" on page 113. If you have any questions or concerns, contact the Customer Support Center. Although there are no moving parts in your computer after the power cord has been disconnected, the following warnings are required for your safety. 71

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71
Chapter 6. Safety, Use, and Care Information
Service and Upgrades
Attention:
Do not attempt to service a product yourself unless instructed to do so
by the Customer Support Center or your documentation. Only use a
service provider who is approved to repair your particular product.
Note:
Some computer parts can be upgraded or replaced by the customer.
Upgrades typically are referred to as options. Replacement parts
approved for customer installation are referred to as Customer
Replaceable Units, or CRUs. Lenovo provides documentation with
instructions when it is appropriate for customers to install options or
replace CRUs. You must closely follow all instructions when installing
or replacing parts. The Off state of a power indicator does not
necessarily mean that voltage levels inside a product are zero. Before
you remove the covers from a product equipped with an ac power
cord, always make sure that the power is turned off and that the
product is unplugged from any power source. For more information
on CRUs, See “Appendix B. Customer Replaceable Units (CRUs)” on
page 113. If you have any questions or concerns, contact the Customer
Support Center.
Although there are no moving parts in your computer after the power
cord has been disconnected, the following warnings are required for
your safety.
±
±