Compaq Presario CQ40-400 Compaq Presario CQ40 Notebook PC - Maintenance and Se - Page 67

Top cover, Three Phillips PM2.5×10.0 screws

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Top cover Description Top cover (includes TouchPad and cable) Spare part number 487300-001 Before removing the top cover, 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 34). 5. Remove the following components: a. Hard drive (see Hard drive on page 36) b. Optical drive (see Optical drive on page 35) c. Keyboard (see Keyboard on page 44) d. Keyboard cover (see Keyboard cover on page 46) e. Speaker assembly (see Speaker assembly on page 49) f. Display assembly (see Display assembly on page 51) Remove the top cover: 1. Turn the computer upside down, with the front toward you. 2. Remove the seven screws that secure the top cover to the computer. ● (1) Three Phillips PM2.5×10.0 screws ● (2) Two Phillips PM2.5×5.0 screws ● (3) Two Phillips PM2.0×3.0 screws Component replacement procedures 59

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Top cover
Description
Spare part number
Top cover
(includes TouchPad and cable)
487300-001
Before removing the top cover, 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
34
).
5.
Remove the following components:
a.
Hard drive (see
Hard drive
on page
36
)
b.
Optical drive (see
Optical drive
on page
35
)
c.
Keyboard (see
Keyboard
on page
44
)
d.
Keyboard cover (see
Keyboard cover
on page
46
)
e.
Speaker assembly (see
Speaker assembly
on page
49
)
f.
Display assembly (see
Display assembly
on page
51
)
Remove the top cover:
1.
Turn the computer upside down, with the front toward you.
2.
Remove the seven screws that secure the top cover to the computer.
●
(1)
Three Phillips PM2.5×10.0 screws
●
(2)
Two Phillips PM2.5×5.0 screws
●
(3)
Two Phillips PM2.0×3.0 screws
Component replacement procedures
59