HP Presario CQ43-300 Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 67
TouchPad button board, Memory module/wireless module compartment cover see
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3. Remove the power button board and cable (2). Reverse this procedure to install the power button board and cable. TouchPad button board Description TouchPad button board (includes cable) Spare part number 646130-001 Before removing the TouchPad button 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 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) ● Top cover (see Top cover on page 54) Component replacement procedures 59