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Chapter 9. Hardware removal and installation
This chapter provides instructions on how to remove and install hardware for your computer.
Customer Replaceable Units
Customer Replaceable Units (CRUs) are parts that can be upgraded or replaced by the customer.
ThinkStation 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 the 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. See your Lenovo Limited Warranty documentation at
www.lenovo.com/warranty/llw_02
For the CRU information of your computer, refer to the following list.
Self-service CRUs
• Computer cover
• Coin-cell battery
• Cover presence switch
• Front bezel
• Heat sink for the M.2 solid-state drive (available on some models)
• Keyboard (available on some models)
• Memory module (vary by computer model)
• Mouse (available on some models)
• M.2 solid-state drive (available on some models)
• PCIe card (vary by computer model)
• Plastic holder (available on some models)
• Power cord
• Slim optical drive (available on some models)
• Storage drives (vary by computer model)
• Storage drive cage (available on some models)
Optional-service CRUs
• Power supply assembly
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