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3.
Thoroughly clean the thermal material from the surfaces of the heat sink and the system board
components each time the heat sink is removed. Replacement thermal material is included with the heat
sink and system board spare part kits.
Thermal paste is used on the integrated system board processor (1) and the heat sink (2).
Reverse this procedure to install the heat sink.
System board
To remove the system board, use these procedures and illustrations.
Table 5-12
System board descriptions and part numbers
Description
System board (includes integrated processor and system memory):
All system boards use the following part numbers:
xxxxxx-001: Non-Windows operating system
xxxxxx-601: Windows 10 operating system
Intel Core i7-1195G7 processor with 16 GB of system memory
Intel Core i7-1195G7 processor with 8 GB of system memory
Intel Core i5-1155G7 processor with 16 GB of system memory
Intel Core i5-1155G7 processor with 8 GB of system memory
Before removing the system board, follow these steps:
1.
Prepare the computer for disassembly
2.
Remove the bottom cover
3.
Remove the battery (see
(Preparation for disassembly on page
(Bottom cover on page
Battery on page
32).
30).
Component replacement procedures
Spare part number
M74883-xx1
M74884-xx1
M74881-xx1
M74882-xx1
30).
45
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