6. 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 system board (1) (3) and associated components on the heat sink (2) (4).
Reverse this procedure to install the heat sink.
System board
To remove the system board, use these procedures and illustrations.
Table
5-11 System board descriptions and part numbers
Description Spare part number
System board (includes processor):
All system boards use the following part numbers:
xxxxxx-001: Non-Windows operating system
xxxxxx-601: Windows 10 operating system
System board for use in models with UMA graphics memory:
● Intel Core i7-1165G7 processor M16350-xx1
● Intel Core i5-1135G7 processor M16349-xx1
● Intel Core i3-1115G4 processor M16348-xx1
● Intel Pentium Gold 7505 processor M33440-xx1
System board for use in models with discrete graphics memory:
● Intel Core i7-1165G7 processor and NVIDIA GeForce MX450 graphics M16346-xx1
Component replacement procedures 41
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