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Description Spare part number
For use only on computer models equipped with an Intel quad core processor, the NVIDIAR
GeForceR 630M graphics subsystem with 1-GB of discrete memory, and the Windows 8 Standard
operating system
681999-501
For use only on computer models equipped with an Intel dual core processor, the NVIDIAR
GeForceR 630M graphics subsystem with 1-GB of discrete memory, and the Windows 8
Professional operating system
682000-601
For use only on computer models equipped with an Intel dual core processor, the NVIDIAR
GeForceR 630M graphics subsystem with 1-GB of discrete memory, and the Windows 8 Standard
operating system
682000-501
For use only on computer models equipped with an Intel quad core processor, a graphics
subsystem with UMA memory, and the Windows 8 Professional operating system
682042-601
For use only on computer models equipped with an Intel quad core processor, a graphics
subsystem with UMA memory, and the Windows 8 Standard operating system
682042-501
For use only on computer models equipped with an Intel dual core processor, a graphics
subsystem with UMA memory, and the Windows 8 Professional operating system
682043-601
For use only on computer models equipped with an Intel dual core processor, a graphics
subsystem with UMA memory, and the Windows 8 Standard operating system
682043-501
Thermal Pad Kit for use only on computer models equipped with an Intel processor (not
illustrated, includes replacement thermal pads)
NOTE: Computer models equipped with an AMD processor use only thermal paste and do not
require replacement thermal pads.
682100-001
Before removing the system board, follow these steps:
1. Turn off 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 the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the battery (see
Battery on page 47), and then remove the following components:
a. Hard drive (see
Optical drive on page 53)
b. Optical drive (see
Optical drive on page 53)
c.
Keyboard (see
Keyboard on page 59)
d. Top cover (see
Top cover on page 63)
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 55)
●
WLAN module (see
WLAN module on page 57
●
Solid-state drive (see
Solid-state drive on page 72)
78 Chapter 4 Removal and replacement procedures