HP ProBook 4740s HP ProBook 4740s Notebook PC - Maintenance and Service Guide - Page 55

Top cover, Bottom door see

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Top cover NOTE: Top cover spare part kits include the touchpad assembly. Description Top cover with a fingerprint reader (includes fingerprint reader assembly) Top cover without a fingerprint reader Spare part number 684616-001 684617-001 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 33). 5. Remove the following components: a. Bottom door (see Bottom door on page 34). b. Memory modules (see Memory modules on page 41) c. Keyboard (see Keyboard on page 45) Remove the top cover: 1. Position the computer upside-down with the front toward you. Component replacement procedures 47

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Top cover
NOTE:
Top cover spare part kits include the touchpad assembly.
Description
Spare part number
Top cover with a fingerprint reader (includes fingerprint reader assembly)
684616-001
Top cover without a fingerprint reader
684617-001
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
33
).
5.
Remove the following components:
a.
Bottom door (see
Bottom door
on page
34
).
b.
Memory modules (see
Memory modules
on page
41
)
c.
Keyboard (see
Keyboard
on page
45
)
Remove the top cover:
1.
Position the computer upside-down with the front toward you.
Component replacement procedures
47