HP Elite x360 1040 G9 Maintenance And Service Manual page 66

9. Remove the following screws that secure the system board and the cable retainer to the computer:
Six Phillips M2.0 × 4.5 screws (1)
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Five Phillips M2.0 × 2.5 screws (2)
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One Phillips M1.5 × 4.4 screws (3)
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10. Remove the system board cable retainer (4).
The system board cable retainer is included in the Plastics Kit, spare part number N09286-001.
60 Chapter 5 Removal and replacement procedures for authorized service provider parts