HP EliteBook 8570w, Руководство по техническому обслуживанию и ремонту

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Reverse this procedure to install the system board.
RJ-45 connector cable
NOTE: The RJ-45 connector cable is included in the cable kit, spare part number 690623-001.
Before removing the RJ-45 connector cable, follow these steps:
IMPORTANT: Make special note of each screw and screw lock size and location during removal
and replacement.
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 battery (see Battery on page 54 ).
5. Remove the service door (see Service door on page 60 ).
6. Remove the following components:
a. Hard drive (see Hard drive on page 72 ).
b. Upgrade bay device (see Upgrade bay device on page 77 ).
c. Keyboard (see Keyboard on page 81 ).
d. Top cover (see Top cover on page 87 ).
e. Fan and heat sink assembly (see Fan and heat sink assembly on page 100 ).
f. Audio/USB 3.0 board (see Audio/USB 3.0 board on page 106 ).
g. Speakers (see Speakers on page 110 ).
h. ExpressCard/USB 2.0 assembly (see ExpressCard/USB 2.0 assembly on page 113 ).
i. System board (see System board on page 117 ).
Remove the RJ-45 connector cable:
1. Position the computer right-side up, with the front toward you.
2. Remove the tape (1) from the top of the RJ-45 connector cable.
3. Remove the RJ-45 connector cable from the clips and routing channel (2) built into the base
enclosure.
120 Chapter 4 Removal and replacement procedures