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-601: Windows 10 operating system
Description Spare part number
Models with 16 GB of system memory
Intel Core i7-6600U processor 844418-xxx
Intel Core i5-6300U processor 844416-xxx
Models with 8 GB of system memory
Intel Core i7-6600U processor 844417-xxx
Intel Core i7-6500U processor 844419-xxx
Intel Core i5-6300U processor 844415-xxx
Intel Core i5-6200U processor 844414-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 bottom cover (see Bottom cover on page 28)
5. Remove the keyboard (see Keyboard on page 41)
6. Remove the battery (see Battery on page 29).
NOTE: 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:
●
SSD drive (see SSD drive on page 32)
●
WWAN module (see WWAN module on page 33)
NOTE: Models that do not have a WWAN module installed will have a rubber insert installed in the
WWAN socket. Either a WWAN module or a rubber insert must be installed in the WWAN socket. The
socket must never be empty.
●
WLAN module (see WLAN module on page 36)
●
Heat sink/fan assembly (see Heat sink/fan assembly on page 46)
Remove the system board:
1. Disconnect the following cables:
48 Chapter 5 Removal and replacement procedures for Authorized Service Provider parts
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