Table 5-9 System board descriptions and part numbers (continued)
Description Spare part number
Intel Core i5-10310U processor and 16 GB of system memory (models with WWAN) M25773-001
Intel Core i5-10310U processor and 8 GB of system memory (models with WWAN) M25774-001
Intel Core i5-10310U processor and 16 GB of system memory (models without WWAN) M10745-001
Intel Core i5-10310U processor and 8 GB of system memory (models without WWAN) M10747-001
Intel Core i3-10110U processor and 8 GB of system memory (models with WWAN) M25772-001
Intel Core i3-10110U processor and 8 GB of system memory (models without WWAN) M10743-001
Before removing the system board, follow these steps:
1. Prepare the computer for disassembly (Preparation for disassembly on page 22).
2. Remove the bottom cover (Bottom cover on page 22).
3. Remove the battery (see Battery on page 23).
Remove the system board:
1. Disconnect the following cables from the system board:
● Display cable (1)
● Antenna cables from integrated WLAN module (2)
● Fan cable (3)
● Fan cable (4)
● Display cable (ZIF) (5)
● Keyboard backlight cable (ZIF) (6) (select products only)
● Keyboard cable (ZIF) (7)
● Touchpad cable (ZIF) (8)
● Speaker cable (9)
32 Chapter 5 Removal and replacement procedures for authorized service provider parts