HP 20-k214 Mobile, 20-k127cl Mobile, 20-k120us Mobile, 20-k121us Mobile manual RTC battery

3.Detach the Y-axis capacitor board (3) from the middle frame. (The Y-axis capacitor board is attached to the middle frame with double-sided adhesive.)

4. Remove the Y-axis capacitor board.

Reverse this procedure to install the Y-axis capacitor board.

RTC battery

Description	Spare part number
RTC battery (includes cable and double-sided adhesive)	728072-001

Before removing the RTC battery, follow these steps:

1.Turn off 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 the power from the computer by unplugging the power cord from the computer.

3.Disconnect all external devices from the computer.

4.Remove the bottom cover (see Bottom cover on page 23).

5.Remove the rear cover (see Rear cover on page 26).

6.Disconnect the battery cable (see Hard drive on page 27).

7.Remove the Y-axis capacitor board (see Y-axis capacitor board on page 30).

Remove the RTC battery:

1.Disconnect the RTC battery cable (1) from the system board.

Component replacement procedures 31