Lenovo ThinkPad X1 2-in-1 Gen 9 Hardware Maintenance Manual page 84

Step Screw (quantity)
8
M2 × L2.0 mm Fine pitch, flat-head, nylon-coated (10)
Notes:
• A mylar might cover the trackpad, and ensure that you attach the mylar to the trackpad after replacement.
• Ensure that the connector is attached firmly.
Installation steps of trackpad / Haptic Touchpad
For trackpad
1. A trackpad jig might come with the trackpad which is used for fixing the location of the trackpad. Attach
the trackpad jig to the trackpad and bend the four angles as shown by arrows below.
2. Install the trackpad with jig and install the screws to fix the trackpad.
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ThinkPad X1 Carbon Gen 12 and ThinkPad X1 2-in-1 Gen 9 Hardware Maintenance Manual
Color Torque
0.181 Nm
Silver
(1.85 kgf-cm)