System board
NOTE: The system board spare part kit includes replacement thermal material.
Description Spare part number
System board with UMA graphics and RTC battery 613211-001
System board with UMA graphics, WWAN capability, and RTC battery 613212-001
System board with discrete graphics and RTC battery 613212-001
Before removing the system board, 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 45).
5. Remove the switch cover and keyboard (see
Switch cover and keyboard on page 46).
6. Remove the optical drive (see
Optical drive on page 51).
7. Remove the power button board cable (see
Power button board on page 53).
8. Remove the speakers (see
Speakers on page 55).
9. Remove the thermal shield (see
Thermal shield on page 56).
10. Remove the display assembly (see
Display assembly on computers with 15.6-in displays
on page 71).
11. Remove the palm rest (see
Palm rest on page 67).
12. Remove the hard drive (see
Hard drive on page 69).
13. Remove the top cover (see
Top cover on page 77).
When replacing the system board, be sure that the following components are removed from the
defective system board and installed on the replacement system board:
●
Memory module (see
Memory module on page 50)
●
WLAN module (see
WLAN module on page 58)
●
WWAN module (see
WWAN module on page 59)
●
Modem module (see
Modem module on page 83)
●
Processor (see
Processor on page 65)
●
Audio board (see
Audio board on page 85)
Component replacement procedures
87
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