Maintenance and Service Guide

Item Component Description
(4) Warranty period This number describes the duration of the warranty
period for the computer.
(5) Model description This is the alphanumeric identifier used to locate
documents, drivers, and support for the computer.
Bottom cover
Description Spare part number
Bottom cover 671731-001
Before disassembling the computer, follow these steps:
1. Turn off 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 the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
Remove the bottom cover:
1. Turn the computer upside down, with the front toward you.
2. Remove the four Phillips PM2.5×5.5 screws that secure the bottom cover to the computer.
Component replacement procedures
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