7.Remove the bottom cover from the computer.
Reverse this procedure to install the bottom cover.
RTC battery
Description | Spare part number |
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RTC battery | |
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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 42).
5.Remove the following components:
a.Bottom door (see Bottom door on page 49).
b.Hard drive (see Hard drive on page 54)
c.Optical drive (see Optical drive on page 50)
d.WLAN module (see WLAN module on page 60)
e.WWAN module (see WWAN module on page 58)
f.Fan (see Fan on page 64)
g.Heat sink (see Heat sink on page 65)
74 Chapter 4 Removal and replacement procedures