4. If the WLAN antenna is not connected to the terminal on the WLAN module, you must install a
protective sleeve on the antenna connector, as shown in the following illustration.
To install the WLAN module, reverse the removal procedure.
RTC battery
To remove the RTC battery, use this procedure and illustration.
Table 5-6
RTC battery description and part number
Description Spare part number
RTC battery M36463-001
Before removing the RTC battery, follow these steps:
1. Prepare the computer for disassembly (see Preparation for disassembly on page 37).
2. Remove the bottom cover (see Bottom cover on page 37).
3. Remove the battery (see Battery on page 39).
Remove the RTC battery:
1. Disconnect the RTC battery cable (1) from the system board.
RTC battery
45
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