System board
NOTE:
The system board spare part kit includes the processor, a graphics subsystem with UMA memory,
onboard system memory, replacement thermal material, and the Windows 10 operating system.
Table 5-10
System board spare part information
Description
Spare part number
Equipped with an AMD Ryzen7 4700U processor and 16 GB of system memory
L94491-601
Equipped with an AMD Ryzen7 4700U processor and 8 GB of system memory
L94492-601
Equipped with an AMD Ryzen5 4500U processor and 8 GB of system memory
L94490-601
Equipped with an AMD Ryzen3 4300U processor and 8 GB of system memory
L94489-601
Before removing the system board, follow these steps:
1.
Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn
the computer on, and then shut it down through the operating system.
2.
Disconnect all external devices connected to the computer.
3.
Disconnect the power from the computer by first unplugging the power cord from the AC outlet, and then
unplugging the AC adapter from the computer.
4.
Remove the bottom cover (see
), and then remove the following components:
a.
Battery (see
b.
Solid-state drive (see
)
c.
Fan (see
)
NOTE:
When replacing the system board, make sure the following components are removed from
the defective system board and installed on the replacement system board:
●
WLAN module (see
)
●
Solid-state drive (see
)
●
Heat sink (see
Remove the system board:
1.
Remove the cover (1) that secures the WLAN antenna cables to the WLAN module.
58
Chapter 5 Removal and replacement procedures
Summary of Contents for ENVY x360 13
Page 4: ...iv Safety warning notice ...
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