To install the heat sink assembly, reverse this procedure.
System board
To remove the system board and USB door, use these procedures and illustrations.
Table 5-11 System board and USB door descriptions and part numbers
Description Spare part
number
Intel Core i7-1250U processor and 16 GB of system memory N15662-601
Intel Core i7-1250U processor and 8 GB of system memory N15661-601
Intel Core i5-1230U processor and 16 GB of system memory N15660-601
Intel Core i5-1230U processor and 8 GB of system memory N15659-601
USB door N15686-001
Before removing thesystem board, follow these steps:
1. Prepare the computer for disassembly (see Preparation for disassembly on page 41).
2. Remove the bottom cover (see Bottom cover on page 41).
3. Disconnect the battery cable from the system board (see Battery on page 43).
System board 59