HP 15-g018dx HP 15 Notebook PC Compaq 15 Notebook PC Maintenance and Service G - Page 72
RTC battery, System board see
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RTC battery Description RTC battery Spare part number 759981-001 Before removing the RTC battery, 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), and then remove the following components: ● Keyboard (see Keyboard on page 39) ● Top cover (see Top cover on page 42) ● WLAN module (see WLAN module on page 50) ● System board (see System board on page 55) To remove the RTC battery: 1. Position the system board upside down. 2. Using a thin tool or screwdriver, disengage the battery from the socket (1), and then remove the battery (2). Reverse this procedure to install the RTC battery. 64 Chapter 4 Removal and replacement procedures