Table 5-13 System board descriptions and part numbers (continued)
Description Spare part number
Intel Core i7-1185G7 processor with 32 GB of system memory (OSR) M42292-xx1
Intel Core i7-1185G7 processor with 16 GB of system memory (OSR) M42291-xx1
Intel Core i7-1165G7 processor with 32 GB of system memory M42290-xx1
Intel Core i7-1165G7 processor with 16 GB of system memory M42289-xx1
Intel Core i5-1145G7 processor with 16 GB of system memory (OSR) M42288-xx1
Intel Core i5-1145G7 processor with 16 GB of system memory M42287-xx1
Intel Core i5-1145G7 processor with 8 GB of system memory (OSR) M42286-xx1
Intel Core i5-1145G7 processor with 8 GB of system memory M42285-xx1
Intel Core i5-1135G7 processor with 16 GB of system memory M42284-xx1
Intel Core i5-1135G7 processor with 8 GB of system memory M42283-xx1
Intel Core i3-1115G4 processor with 8 GB of system memory M42282-xx1
Before removing the system board, follow these steps:
1. Prepare the computer for disassembly (Preparation for disassembly on page 30).
2. Remove the bottom cover (Bottom cover on page 30).
3. Disconnect the battery cable from the system board (see Battery on page 31).
4. Remove the audio board (see Audio board on page 41).
When you replace the system board, be sure to remove the following components (as applicable) from the
defective system board and install them on the replacement system board:
● Solid-state drive (see Solid-state drive on page 33).
● Heat sink and fan assembly (Heat sink and fan assembly on page 38).
Remove the system board:
1. Disconnect the following cables from the system board:
● Display cable (ZIF) (1)
● WLAN antennas (2)
● Display cable (3)
● USB board cable (ZIF) (4)
● Keyboard backlight cable (ZIF) (5)
● Extend cable (ZIF) (6)
● Speakers (7)
Component replacement procedures 47