HP ProBook 4535s HP ProBook 4535s Notebook PC - Maintenance and Service Guide - Page 74

Quick Launch board, Top cover see

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Quick Launch board Description Quick Launch board Spare part number 646296-001 Before removing the Quick Launch board, 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 battery (see Battery on page 40). 5. Remove the following components: a. Bottom door (see Bottom door on page 42). b. Optical drive (see Optical drive on page 43) c. Keyboard (see Keyboard on page 56) d. Top cover (see Top cover on page 58) e. Speakers (see Speaker assembly on page 64) Remove the Quick Launch board: 1. Position the top cover upside-down with the front toward you. 2. Remove the two Phillips PM2.5×5.0 screws (1) that secure the board to the top cover. 3. Remove the cable (2) from the adhesive that secures it to the top cover. 66 Chapter 4 Removal and replacement procedures

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Quick Launch board
Description
Spare part number
Quick Launch board
646296-001
Before removing the Quick Launch board, 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 battery (see
Battery
on page
40
).
5.
Remove the following components:
a.
Bottom door (see
Bottom door
on page
42
).
b.
Optical drive (see
Optical drive
on page
43
)
c.
Keyboard (see
Keyboard
on page
56
)
d.
Top cover (see
Top cover
on page
58
)
e.
Speakers (see
Speaker assembly
on page
64
)
Remove the Quick Launch board:
1.
Position the top cover upside-down with the front toward you.
2.
Remove the two Phillips PM2.5×5.0 screws
(1)
that secure the board to the top cover.
3.
Remove the cable
(2)
from the adhesive that secures it to the top cover.
66
Chapter 4
Removal and replacement procedures