RTC battery
Before removing the RTC battery, follow these steps:
1. Prepare the computer for disassembly (Preparation for disassembly on page 14).
2. Remove the top cover (see Top cover on page 14).
3. Remove the WLAN antenna (see WLAN antenna on page 21).
Remove the RTC battery:
▲ Disconnect the RTC battery from the system board, and then lift the battery o the main system battery.
Reverse this procedure to install the RTC battery.
Component replacement procedures 23
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