HP EliteBook 8570w, Руководство по техническому обслуживанию и ремонту

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ExpressCard/USB 2.0 assembly
Description Spare part number
ExpressCard/USB 2.0 assembly 652680-001
Before removing the ExpressCard/USB 2.0 assembly, 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. Processor (see Processor on page 104 ).
g. Modem module (see Modem module on page 108 ).
h. Audio/USB 3.0 board (see Audio/USB 3.0 board on page 106 ).
i. Speakers (see Speakers on page 110 ).
Remove the ExpressCard/USB 2.0 assembly:
1. Position the computer right-side up, with the front toward you.
2.
Remove the SD and CFast slot protective inserts
(1)
.
3. Remove the three Torx 8 screws (2) that secure the assembly to the system board.
Component replacement procedures 113