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Description Spare part number
System board with UMA graphics and an Intel Core i7-4600U processor for use with
the Windows 8 Standard operating system
730809-501
System board with UMA graphics and an Intel Core i7-4600U processor for use with models
without the Windows 8 operating system
730809-001
System board with discrete graphics and an Intel Core i7-4600U processor for use with
the Windows 8 Professional operating system
730810-601
System board with discrete graphics and an Intel Core i7-4600U processor for use with
the Windows 8 Standard operating system
730810-501
System board with discrete graphics and an Intel Core i7-4600U processor for use with models
without the Windows 8 operating system
730810-001
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 following components:
a. Service cover (see
Service cover on page 48)
b. Battery (see
Battery on page 50)
c. Hard drive (see
Hard drive on page 51)
d. Fan (see
Fan on page 77)
e. Keyboard (see
Keyboard on page 62)
f. Base enclosure (see
Base enclosure on page 71)
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 modules (see
Memory module on page 56)
●
Heat sink (see
Heat sink on page 81)
NOTE: You do not have to remove the heat sink to remove the system board.
●
Solid-state drive (see
Solid-state drive (SSD) on page 53)
●
WLAN module (see
WLAN module on page 60)
●
WWAN module (see
WWAN module on page 58)
Component replacement procedures
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