Component replacement procedures
This chapter provides removal and replacement procedures.
There are as many as 90 screws, in ten different sizes, that must be removed, replaced, or loosened
when servicing the computer. Make special note of each screw size and location during removal and
replacement.
Service tag
When ordering parts or requesting information, provide the computer serial number and model
description provided on the service tag.
Item Description Function
1 Serial number (s/n) An alphanumeric identifier that is unique to each product.
40 Chapter 4 Removal and replacement procedures ENWW
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