Reverse this procedure to install the RTC battery on computer models. When installing the RTC battery, make sure the “+” sign faces up.
Memory module
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Before removing a memory module, 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 display panel (see Display panel on page 31).
5.Remove the base enclosure (see Base enclosure on page 33).
6.Remove the keyboard (see Keyboard on page 60).
7.Remove the top cover (see Top cover on page 63).
8.Disconnect the battery cable (see Battery on page 35).
Remove the memory module:
1.Spread the retaining tabs (1) on each side of the memory module slot to release the memory module. (The memory module tilts up.)
CAUTION: To prevent damage to the memory module, hold it by the edges only. Do not touch the components on the memory module.
2.Slide the memory module forward (2).
Component replacement procedures 41
