4. Remove the sensor board (5).
To install the sensor board, reverse this procedure.
System board
To remove the system board, use these procedures and illustrations.
Table 5-13
System board descriptions and part numbers
Description Spare part number
System board
NOTE: All system boards use the following part numbers:
xxxxxx-001: Non-Windows operating systems
xxxxxx-601: Windows operating system
Models with discrete graphics memory:
● AMD Ryzen R9 PRO 7940HS processor with NVIDIA RTX A2000 graphics N55733-xx1
● AMD Ryzen R9 PRO 7940HS processor with NVIDIA RTX A1000 graphics N55729-xx1
● AMD Ryzen R9 7940HS processor with NVIDIA RTX A2000 graphics N55732-xx1
● AMD Ryzen R9 7940HS processor with NVIDIA RTX A1000 graphics (models with WLAN) N55728-xx1
● AMD Ryzen R9 7940HS processor with NVIDIA RTX A1000 graphics (models without WLAN) N55738-xx1
● AMD Ryzen R9 7940HS processor with NVIDIA GeForce RTX 4050 graphics N55736-xx1
● AMD Ryzen R7 PRO 7840HS processor with NVIDIA RTX A2000 graphics N55731-xx1
● AMD Ryzen R7 PRO 7840HS processor with NVIDIA RTX A1000 graphics N55727-xx1
● AMD Ryzen R7 7840HS processor with NVIDIA RTX A2000 graphics N55730-xx1
● AMD Ryzen R7 7840HS processor with NVIDIA RTX A1000 graphics (models with WLAN) N55726-xx1
● AMD Ryzen R7 7840HS processor with NVIDIA RTX A1000 graphics (models without WLAN) N55737-xx1
54 Chapter 5 Removal and replacement procedures for authorized service provider parts