Description | Spare part number |
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RTC battery | |
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IMPORTANT: Make special note of each screw and screw lock size and location during removal and replacement.
Before removing the RTC battery, follow these steps:
1.Shut down the computer.
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 42).
5.Remove the keyboard (see Keyboard on page 47).
6.Remove the top cover (see Top cover on page 51).
7.Remove the hard drive (see Hard drive on page 56).
8.Remove the USB board (see USB board/Audio jack on page 59).
9.Remove the WLAN (see WLAN module on page 60).
10.Remove the system board (see System board on page 63).
Remove the RTC battery:
1.Turn the system board upside down, with the front toward you.
2.Remove the RTC battery (1) by pressing down with a thin plastic tool or your finger. The battery is spring loaded and will pop up. Lift and remove the RTC battery (2).
72 | Chapter 4 Removal and replacement procedures |