Item Component Spare part number
For use only on computer models equipped with an Intel processor
in the United Kingdom and Singapore
720244-031
For use on all computer models in the United States 720244-001
Keyboard with pointing stick for use on all computer models in the United States
(includes pointing stick cable)
720242-001
(5) Keyboard shield 720544-001
(6a) TouchPad assembly (includes TouchPad bracket (6b), TouchPad button board,
TouchPad, and cables)
722972-001
(7) Fingerprint reader board (includes bracket and cable) 720543-001
(8) Rear speakers (include left and right rear speakers, 2 cables, and 4 isolators) 720561-001
(9) Power connector cable:
For use on all computer models equipped with a graphics subsystem with
UMA memory
720537-001
For use only on computer models equipped with an Intel processor and a graphics
subsystem with discrete memory
720538-001
(10) Connector board (includes 2 cables):
For use only on computer models equipped with an AMD processor 720579-001
For use only on computer models equipped with an Intel processor and a graphics
subsystem with discrete memory
723372-001
For use only on computer models equipped with an Intel processor and a graphics
subsystem with UMA memory
720554-001
(11) System board (includes replacement thermal material):
For use only on computer models equipped with an AMD processor, a graphics
subsystem with discrete memory, and the Windows 8 Professional operating system
720578-601
For use only on computer models equipped with an AMD processor, a graphics
subsystem with discrete memory, and the Windows 8 Standard operating system
720578-501
For use only on computer models equipped with an AMD processor, a graphics
subsystem with discrete memory, and the Linux operating system
720578-001
For use only on computer models equipped with an AMD processor, a graphics
subsystem with UMA memory, and the Windows 8 Professional operating system
720577-601
For use only on computer models equipped with an AMD processor, a graphics
subsystem with UMA memory, and the Windows 8 Standard operating system
720577-501
For use only on computer models equipped with an AMD processor, a graphics
subsystem with UMA memory, and the Linux operating system
720577-001
For use only on computer models equipped with the Intel HM87 chipset, the GeForce
750M graphics subsystem, and the Windows 8 Professional operating system
720569-601
For use only on computer models equipped with the Intel HM87 chipset, the GeForce
750M graphics subsystem, and the Windows 8 Standard operating system
720569-501
Computer major components
23
