RTC battery
Description | Spare part number |
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RTC battery (includes cable and | |
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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 40), and then remove the following components:
●Optical drive (see Optical drive (select models only) on page 41)
●WLAN module (see WLAN module on page 43)
●Keyboard (see Keyboard on page 49)
●Top cover (see Top cover on page 52)
●USB board (see USB board on page 59)
●Power connector cable (see Power connector cable on page 60)
●Display assembly (see Display assembly on page 64)
●System board (see System board on page 71)
Remove the RTC battery:
1.Turn the system board upside down, with the front toward you.
2.Disconnect the RTC battery cable (1) from the system board.
74 Chapter 4 Removal and replacement procedures
