System board
NOTE: The system board spare part kit includes replacement thermal material.
All system boards use the following part numbers:
xxxxxx-001: Windows 7 or non-Windows operating systems
xxxxxx-501: Windows 8.1 Standard operating system
xxxxxx-601: Windows 8.1 Professional or Windows 10 operating system
Description Spare part number
System board for use in models with 2 GB of discrete graphics memory:
●
Intel Core i7-5500U processor 807540-xxx
827523-xxx
●
Intel Core i7-5200U processor 808410-xxx
System board for use in models with UMA graphics:
●
Intel Core i7-5500U processor 807538-xxx
●
Intel Core i5-5200U processor 807537-xxx
827522-xxx
Before removing the system board, follow these steps:
1. Turn o the computer. If you are unsure whether the computer is o 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 top cover (see Top cover on page 26).
NOTE: When replacing the system board, be sure that the following components (as applicable) are
removed from the defective system board and installed on the replacement system board:
●
WLAN module (see WLAN module on page 33)
●
Solid-state drive (see Solid-state drive (M.2) on page 31)
●
Memory modules (see Memory module on page 41)
●
Heat sink (see Heat sink on page 44)
Remove the system board:
1. Disconnect the following cables from the system board:
(1): Display cable
(2): Touch board cable
(3): USB/card reader board cable
(4): Battery cable
(5): Speaker cable
38 Chapter 5 Removal and replacement procedures for Authorized Service Provider parts
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