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System board
NOTE:
The system board spare part kit includes replacement thermal materials.
Table 5-14
System board descriptions and part numbers
Description
System board (includes replacement thermal materials):
All system boards use the following part numbers:
xxxxxx-001: Non-Windows operating system
xxxxxx-601: Windows operating system
For use in models with discrete graphics:
●
Intel Core i7-8565U processor and 2 GB of dedicated video memory
●
Intel Core i5-8265U processor and 2 GB of dedicated video memory
Intel Core i3-8145U processor and 2 GB of dedicated video memory
●
Intel Core i3-7020U processor and 2 GB of dedicated video memory
●
For use in models with UMA graphics:
Intel Core i7-8565U processor
●
Intel Core i5-8265U processor
●
●
Intel Core i3-8145U processor
●
Intel Core i3-7020U processor
Before removing the system board, follow these steps:
1.
Prepare the computer for disassembly
2.
Remove the rubber feet (see
3.
Remove the bottom cover (see
4.
Remove the battery (see
5.
Remove the fan (see
NOTE:
When replacing the system board, be sure that the following components are removed from the
defective system board and installed on the replacement system board:
●
WLAN module (see
●
Memory modules (see
Solid-state drive (if installed) (see
●
Heat sink assembly (see
●
To remove the system board:
1.
Position the computer upright, and then disconnect the following cables from the system board:
(1) USB board cable
(2) WLAN antenna cables
44
Chapter 5 Removal and replacement procedures for authorized service provider parts
(Preparation for disassembly on page
Computer feet on page
Bottom cover on page
Battery on page
31).
Fan on page
43).
WLAN module on page
34)
Memory module on page
Solid-state drive on page
Heat sink assembly on page
27).
29).
36)
37)
46)
Spare part number
L62278-xxx
L64984-xxx
L56988-xxx
L62276-xxx
L56990-xxx
L62279-xxx
L56989-xxx
L62277-xxx
27).
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