System board
NOTE: The system board spare part kit includes replacement thermal materials.
Description Spare part number
System board (includes thermal pad kit and thermal grease)
All system boards use the following part numbers:
xxxxxx-001: Non-Windows operating systems
xxxxxx-601: Windows 10 operating system
Intel Core i7-8750H processor and GeForce GTX 1060 Max-Q graphics controller with 3 GB of memory L20304-xx1
Intel Core i7-8750H processor and GeForce GTX 1050 graphics controller with 4 GB of memory L20302-xx1
Intel Core i7-8750H processor and GeForce GTX 1050 Ti graphics controller with 4 GB of memory L20300-xx1
Intel Core i7-8750H processor and GeForce GTX 1050 graphics controller with 2 GB of memory L20296-xx1
Intel Core i5-8300H processor and Radeon RX 560 graphics controller with 2 GB of memory L20303-xx1
Intel Core i5-8300H processor and GeForce GTX 1050 Ti graphics controller with 4 GB of memory L20301-xx1
Intel Core i5-8300H processor and GeForce GTX 1050 graphics controller with 4 GB of memory L20299-xx1
Intel Core i5-8300H processor and GeForce GTX 1050 graphics controller with 2 GB of memory L20295-xx1
Intel Core i5-8550U processor and GeForce GTX 1050 graphics controller with 2 GB of memory L20298-xx1
Intel Core i5-8250U processor and GeForce GTX 1050 graphics controller with 2 GB of memory L20297-xx1
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 bottom cover (see Bottom cover on page 36).
5. Remove the battery (see Battery on page 39).
6. Remove the WLAN module (see WLAN module on page 41).
7. Remove the memory module (see Memory module on page 43).
8. Remove the hard drive (see Hard drive on page 47).
9. Remove the solid-state drive (see Solid-state drive (SSD) on page 45).
10. Remove the fans (see Fans on page 50).
IMPORTANT: You do not have to remove the heat sink to remove the system board.
To remove the system board:
1. Position the computer upright, and then disconnect the following cables from the system board:
(1): Keyboard cable (ZIF)
60 Chapter 5 Removal and replacement procedures for Authorized Service Provider parts
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