The touchpad on a ThinkPad can be disabled manually through the Mouse Properties found in the Windows Control Panel.
Step 1: Open Control Panel
Select Control Panel from the Windows Start Menu.
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Microsoft
Step 2: Select Mouse Properties
Double-click the Mouse icon in the Control Panel.
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Microsoft
Step 3: Deselect Enable TouchPad
Under the UltraNav tab, uncheck Enable TouchPad. Click Apply or OK to apply the change.
Image Credit:
Microsoft
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