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RTC battery
Description Spare part number
RTC battery (includes cable and double-sided tape) 637193-001
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 48), and then remove the following components:
●
Optical drive (see
Optical drive on page 49)
●
Hard drive (see
Hard drive on page 51)
●
WLAN module (see
WLAN module on page 54)
●
Keyboard (see
Keyboard on page 56)
●
Top cover (see
Top cover on page 59)
●
System board (see
System board on page 72)
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.
Component replacement procedures 77