HP ENVY 15-k300 Maintenance and Service Guide - Page 81
RTC battery
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RTC battery Description RTC battery Spare part number 697917-001 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 37), 5. Remove the optical drive (see Optical drive on page 38). 6. Remove the top cover from the base enclosure (see Base enclosure on page 41). 7. Remove the WLAN module (see WLAN module on page 55). 8. Remove the subwoofer (see Subwoofer on page 60). 9. Remove the system board (see System board on page 63). Remove the RTC battery: ▲ Use a thin, non-conductive tool to remove the RTC battery (1) from the socket on the system board. Reverse this procedure to install the RTC battery on computer models. When installing the RTC battery, make sure the "+" sign faces up. Component replacement procedures 71