HP ZBook 15u G4, Руководство по техническому обслуживанию и ремонту

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6 Removal and replacement procedures for
Authorized Service Provider parts
This chapter provides removal and replacement procedures for Authorized Service Provider only 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.
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 Labels on page 17 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 45 screws that must be removed, replaced, and/or loosened when servicing Authorized
Service Provider only parts. Make special note of each screw size and location during removal and
replacement.
Internal base plate
Description Spare part number
Internal base plate 821186-001
Before removing the internal base plate, 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.
3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet, and
then unplugging the AC adapter from the computer.
4. Remove the bottom cover (see Bottom cover on page 34 ).
5. Remove the battery (see Battery on page 38 ).
6. Remove the keyboard (see Keyboard on page 50 ).
7. If equipped, disconnect the antenna cables from the WLAN module (see WLAN/Bluetooth combo card
on page 45 ).
8. If equipped, disconnect the antenna cables from the WWAN module (see WWAN on page 129 ).
Component replacement procedures 53