HP 6820s HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 65

Top cover, One Torx T8m2.5×4.0 screw

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Top cover Description Top cover Spare part number 457616-001 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 35). 5. Remove the following components: a. Hard drive (see Hard drive on page 36) b. Optical drive (see Optical drive on page 42) c. Switch cover and keyboard (see Switch cover and keyboard on page 45) d. Speaker (see Speaker on page 49) e. Display lid switch module (see Display lid switch module on page 50) 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 followng screws: (1) Three Phillips PM2.0×2.0 broad-head screws (2) Nine Torx T8M2.5×7.0 screws (3) One Torx T8m2.5×4.0 screw Component replacement procedures 55

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Top cover
Description
Spare part number
Top cover
457616-001
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
35
).
5.
Remove the following components:
a.
Hard drive (see
Hard drive
on page
36
)
b.
Optical drive (see
Optical drive
on page
42
)
c.
Switch cover and keyboard (see
Switch cover and keyboard
on page
45
)
d.
Speaker (see
Speaker
on page
49
)
e.
Display lid switch module (see
Display lid switch module
on page
50
)
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 followng screws:
(1)
Three Phillips PM2.0×2.0 broad-head screws
(2)
Nine Torx T8M2.5×7.0 screws
(3)
One Torx T8m2.5×4.0 screw
Component replacement procedures
55