HP Presario CQ43-300 Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 62

Top cover, defective top cover and installed on the replacement top cover

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Top cover NOTE: The top cover spare part kit includes the TouchPad and TouchPad cable. Description For use only with computer models equipped with an AMD processor For use only with computer models equipped with an Intel processor Spare part number 645962-001 645963-001 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 41), and then remove the following components: ● Memory module/wireless module compartment cover (see WLAN module on page 42) ● Hard drive (see Hard drive on page 46) ● Keyboard (see Keyboard on page 51) NOTE: When replacing the top cover, be sure that the following components are removed from the defective top cover and installed on the replacement top cover: ● Power button board and cable (see Power button board on page 58) ● TouchPad button board and cable (see TouchPad button board on page 59) Remove the top cover: 1. Close the computer. 2. Turn the computer upside down, with the front toward you. 54 Chapter 4 Removal and replacement procedures

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Top cover
NOTE:
The top cover spare part kit includes the TouchPad and TouchPad cable.
Description
Spare part number
For use only with computer models equipped with an AMD processor
645962-001
For use only with computer models equipped with an Intel processor
645963-001
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
41
), and then remove the following components:
●
Memory module/wireless module compartment cover (see
WLAN module
on page
42
)
●
Hard drive (see
Hard drive
on page
46
)
●
Keyboard (see
Keyboard
on page
51
)
NOTE:
When replacing the top cover, be sure that the following components are removed from the
defective top cover and installed on the replacement top cover:
●
Power button board and cable (see
Power button board
on page
58
)
●
TouchPad button board and cable (see
TouchPad button board
on page
59
)
Remove the top cover:
1.
Close the computer.
2.
Turn the computer upside down, with the front toward you.
54
Chapter 4
Removal and replacement procedures