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6 Removal and replacement
procedures for Authorized Service
Provider parts
CAUTION: Components described in this chapter should only be accessed by an authorized service
provider. Accessing these parts can damage the computer or void the warranty.
Component replacement procedures
NOTE: Details about your computer, including model, serial number, product key, and length of
warranty, are on the service tag at the bottom of your computer. See
Service tag and PCID label
on page 17 for details.
This chapter provides removal and replacement procedures for Authorized Service Provider only parts.
There are as many as 47 screws that must be removed, replaced, or loosened when servicing
Authorized Service Provider only parts. Make special note of each screw size and location during
removal and replacement.
Top cover
NOTE: All top cover spare part kits include a touchpad.
Description Spare part number
Top cover for use in models with a fingerprint reader (includes touchpad) 727753-001
Top cover for use in models without a fingerprint reader (includes touchpad) 727754-001
Before removing the top cover, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
50 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts