5 Removal and replacement procedures for
authorized service provider parts
CAUTION: Components described in this chapter should be accessed only by an authorized service provider.
Accessing these parts can damage the computer or void the warranty.
CAUTION: This computer does not have user-replaceable parts. Only HP authorized service providers should
perform the removal and replacement procedures described here. Accessing the internal part could 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 Locating system information on page 9 for details.
NOTE: HP continually improves and changes product parts. For complete and current information on
supported parts for your computer, go to http://partsurfer.hp.com, select your country or region, and then
follow the on-screen instructions.
There are as many as xx screws that must be removed, replaced, and/or loosened when servicing the parts
described in this chapter. Make special note of each screw size and location during removal and replacement.
Base enclosure
Description Spare part number
Base enclosure 854473-001
Before disassembling the computer, follow these steps:
1. Turn o the computer. If you are unsure whether the computer is o 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 base enclosure:
1. Position the computer upside down on a at surface.
2. Remove 13 screws (1).
3. Slide a nylon ake tool around the edge of the base enclosure (2) to loosen it, taking care not to damage
the internal clips.
20 Chapter 5 Removal and replacement procedures for authorized service provider parts
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