Table 5-12 System board descriptions and part numbers (continued)
Description Spare part number
● Intel Celeron N4020 M50453-xx1
Models with discrete graphics memory:
● Intel Core i7-1165G7 with NVIDIA GeForce MX450 graphics adapter M50450-xx1
● Intel Core i5-1135G7 with NVIDIA GeForce MX350 graphics adapter M50449-xx1
● Intel Core i7-1065G7 with NVIDIA GeForce MX330 graphics adapter M50444-xx1
● Intel Core i5-1035G1 with NVIDIA GeForce MX330 graphics adapter M50443-xx1
Before removing the system board, follow these steps:
1. Prepare the computer for disassembly (see Preparation for disassembly on page 32).
2. Remove the bottom cover (see Bottom cover and rubber feet on page 32).
3. Remove the battery (see Battery on page 34).
4. Remove the solid-state drive (see Solid-state drive on page 37).
5. Remove the memory modules (see Memory modules on page 35).
6. Remove the WLAN module (see WLAN module on page 38).
7. Remove the fan (see Fan on page 44).
1. Disconnect the following cables from the system board:
● Power connector cable (1)
● Left fan cable (2)
● Display cable (ZIF)
(3)
● Speaker cable (4)
● Keyboard cable (ZIF)
(5)
● Backlight cable (ZIF) (6) (select products only)
● Touchpad board (ZIF)
(7)
● Hard drive cable (ZIF)
(8)
● Fingerprint reader cable (ZIF) (9) (select products only)
● USB board cable (ZIF) (10)
Component replacement procedures 49
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