Rear view1223451 Rear-facing camera with an integrated flash 4 Microphone2 Speakers 5 Near Field Communication (NFC) logo (on somemodels)3 Fingerprint reader (on some models)Locating FRUs and CRUsThis topic introduces the following service parts:• “Major FRUs” on page 37• “Miscellaneous kits and other parts” on page 38Notes:• Each FRU is available for all types or models, unless otherwise specified.• CRU statement for customers:You can resolve some problems with your product with a replacement part you can install yourself, called a“Customer Replaceable Unit” or “CRU.” Some CRUs are designated as self-service CRUs and others aredesignated as optional-service CRUs. Installation of self-service CRUs is your responsibility. For optional-serviceCRUs, you can either install the CRU yourself or you can request that a Service Provider install the CRU accordingto the warranty service for your product. If you intend on installing the CRU, Lenovo will ship the CRU to you. CRUinformation and replacement instructions are shipped with your product and are available from Lenovo at any timeupon request. You can find a list of CRUs for your product in this Hardware Maintenance Manual. An electronicversion of this manual can be found at http://www.lenovo.com/support. Click User Guides & Manuals and thenfollow the on-screen instructions to find the manual for your product. You might be required to return the defectivepart that is replaced by the CRU. When return is required: (1) return instructions, a prepaid shipping label, and acontainer will be included with the replacement CRU; and (2) you might be charged for the replacement CRU ifLenovo does not receive the defective CRU within thirty (30) days of your receipt of the replacement CRU. See yourLenovo Limited Warranty documentation for full details.ThinkPad computers contain the following types of CRUs:– Self-service CRUs: These CRUs unplug or are held by no more than two screws. Examples of these typesof CRUs include the ac power adapter, power cord, battery, and hard disk drive. Other self-service CRUsdepending on product design might include the memory module, wireless card, keyboard, and palm restwith finger print reader and touch pad.– Optional-service CRUs: These CRUs are isolated parts within the computer that are concealed by an accesspanel that is typically secured by more than two screws. Once the access panel is removed, the specificCRU is visible.36 Hardware Maintenance Manual