8. Separate the computer from the display assembly (4).
To replace the display assembly, reverse this procedure.
System board
To remove the system board, use these procedures and illustrations.
IMPORTANT: After replacing the system board, it is necessary to download and run the service tool to
update the new ambient light sensor (ALS) data to the system BIOS. Please search for the related
Service Advisory in WISE for details.
Table 5-13
System board descriptions and part numbers
Description Spare part number
System board (includes integrated processor and replacement thermal material)
All system boards use the following part numbers:
xxxxxx-001: Non-Windows operating system
xxxxxx-601: Windows operating system
AMD Ryzen 7 PRO 7730U processor, models with an HD camera N39201-xxx
AMD Ryzen 7 PRO 7730U processor, models with an HD + IR camera N39205-xxx
AMD Ryzen 5 PRO 7530U processor, models with an HD camera N39199-xxx
AMD Ryzen 5 PRO 7530U processor, models with an HD + IR camera N39204-xxx
AMD Ryzen 7 7730U processor, models with an HD camera N39200-xxx
AMD Ryzen 7 7730U processor, models with an HD + IR camera N39203-xxx
AMD Ryzen 5 7530U processor, models with an HD camera N39198-xxx
52 Chapter 5 Removal and replacement procedures for authorized service provider parts
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