System board
NOTE: All system board spare part kits include a processor and replacement thermal material.
Description Spare part number
Equipped with an Intel Core i7-8500Y 1.50-GHz (turbo up to 4.20-GHz) dual-core processor (1866-MHz,
4.0 MB L3 cache, 5 W), Intel HD Graphics 625 graphics subsystem with UMA memory, 16-GB of system
memory, and the Windows 10 operating system
L38707-601
Equipped with an Intel Core i7-8500Y 1.50-GHz (turbo up to 4.20-GHz) dual-core processor (1866-MHz,
4.0 MB L3 cache, 5 W), Intel HD Graphics 625 graphics subsystem with UMA memory, 16-GB of system
memory, and a non-Windows 10 operating system
L38707-001
Equipped with an Intel Core i7-8500Y 1.50-GHz (turbo up to 4.20-GHz) dual-core processor (1866-MHz,
4.0 MB L3 cache, 5 W), Intel HD Graphics 625 graphics subsystem with UMA memory, WWAN capability, 8-
GB of system memory, and the Windows 10 operating system
L38708-601
Equipped with an Intel Core i7-8500Y 1.50-GHz (turbo up to 4.20-GHz) dual-core processor (1866-MHz,
4.0 MB L3 cache, 5 W), Intel HD Graphics 625 graphics subsystem with UMA memory, WWAN capability, 8-
GB of system memory, and a non-Windows 10 operating system
L38708-001
Equipped with an Intel Core i7-8500Y 1.50-GHz (turbo up to 4.20-GHz) dual-core processor (1866-MHz,
4.0 MB L3 cache, 5 W), Intel HD Graphics 625 graphics subsystem with UMA memory, 8-GB of system
memory, and the Windows 10 operating system
L44606-601
Equipped with an Intel Core i7-8500Y 1.50-GHz (turbo up to 4.20-GHz) dual-core processor (1866-MHz,
4.0 MB L3 cache, 5 W), Intel HD Graphics 625 graphics subsystem with UMA memory, 8-GB of system
memory, and a non-Windows 10 operating system
L44606-001
Equipped with an Intel Core i5-8200Y 1.30-GHz (turbo up to 3.90-GHz) dual-core processor (1866-MHz,
4.0 MB L3 cache, 5 W), Intel HD Graphics 625 graphics subsystem with UMA memory, 8-GB of system
memory, and the Windows 10 operating system
L38706-601
Equipped with an Intel Core i5-8200Y 1.30-GHz (turbo up to 3.90-GHz) dual-core processor (1866-MHz,
4.0 MB L3 cache, 5 W), Intel HD Graphics 625 graphics subsystem with UMA memory, 8-GB of system
memory, and a non-Windows 10 operating system
L38706-001
Before removing the system board, follow these steps:
1. Shut down 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 all external devices connected to the computer.
3. Disconnect the power from the computer by rst unplugging the power cord from the AC outlet, and then
unplugging the AC adapter from the computer.
4. Remove the display panel (see Display panel on page 25).
5. Remove the webcam (see Webcam on page 36).
6. Remove the leather cover (see Leather cover on page 41).
When replacing the system board, be sure to remove the heat sink (see Heat sink on page 63) from
the defective system board and install it on the replacement system board.
Remove the system board:
1. Release the ZIF connector (1) to which the keyboard cable is connected, and then disconnect the keyboard
cable from the system board.
Component replacement procedures 61