System board
NOTE: All system board spare part kits include replacement thermal material.
All system boards use the following part numbers:
xxxxxx-001: Non-Windows operating systems
xxxxxx-601: Windows 10 operating system
Table 6-10 System board descriptions and part numbers
Description Spare part number
System board with integrated AMD Ryzen 5 3500U processor L58788-xxx
System board with integrated AMD Ryzen 3 3200U processor L58789-xxx
Before removing the system board, follow these steps:
1. Prepare the computer for disassembly (Preparation for disassembly on page 31).
2. Place the computer in Battery Safe mode (Battery Safe mode on page 31).
3. Remove the following components:
a. Bottom cover (Bottom cover on page 32).
b. Battery (Battery on page 40)
c. Fan (Fan on page 43)
When replacing the system board, be sure to remove the following components (as applicable) from the
defective system board and install on the replacement system board:
● Memory modules (Memory modules on page 33)
● WLAN/Bluetooth module (WLAN/Bluetooth combo card on page 34)
● M.2 solid-state drive (M.2 solid-state drive on page 36)
● Heat sink (Heat sink on page 44)
Remove the system board:
1. Disconnect the following cables from the system board:
(1) Power connector cable
(2) Antennas from WLAN module (select models only)
(3) Speaker cable
(4) Display cable (ZIF)
(5) USB cable from USB/power board (ZIF)
(6) Keyboard cable (ZIF)
(7) Card reader cable (ZIF)
(8) Touchpad cable (ZIF)
(9) Keyboard backlight cable (ZIF)
54 Chapter 6 Removal and replacement procedures for authorized service provider parts
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