Table 6-4
RTC battery description and part number
Description
Spare part number
RTC battery
M34737-001
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
3.
Disconnect the battery cable from the system board (see
Remove the RTC battery:
1.
Disconnect the battery cable from the system board (1).
2.
Remove the cable from the clips on the computer chassis (2).
3.
Use a tool to release the battery from the computer (3). The battery is secured with adhesive.
Reverse this procedure to install the RTC battery.
Touchpad
To remove the touchpad, use this procedure and illustration.
Table 6-5
Touchpad description and part number
Description
Spare part number
Touchpad for use in models without NFC
M21148-001
Touchpad for use in models with NFC (includes NFC antenna)
M21149-001
Touchpad cable (included in Cable Kit)
M21138-001
48
Chapter 6 Removal and replacement procedures for authorized service provider parts