Lenovo ThinkPad X13 Yoga Gen 2, Hardware Maintenance Manual, Page: 64 / 105

• They maintain tight connections.
• They do not easily come loose, even with shock or vibration.
• They are harder to tighten.
Do the following when you service this machine:
• Keep the screw kit in your tool bag. For the part number of the screw kit, go to
https://support.lenovo.com/
partslookup .
• It is recommended to use new screws.
• It is recommended to use each screw only once.
Tighten screws as follows:
• Plastic to plastic
Turn an additional 90 degrees after the screw head touches the surface of the plastic part.
• Logic card to plastic
Turn an additional 180 degrees after the screw head touches the surface of the logic card.
Notes:
• Ensure that you use the correct screw. It is recommended to use new screws for replacements. If you
have a torque screwdriver, tighten all screws firmly to the torque specified in the screw information table
for each step.
• Ensure that torque screwdrivers are calibrated correctly following country specifications.
Sensor calibration
If your system board or sensor board has been replaced, do the following to make sensor calibration:
1. Download the Windows Sensor Calibration Tool from https://support.lenovo.com .
2. Extract the tool into a local driver, such as
D:\WinCalibration
.
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X13 Yoga Gen 2 Hardware Maintenance Manual