method One,
1, first open the Run dialog box run regedit open the registry;
2, then expand the positioning to Hkey_current_usercontrol paneldesktop wheelscrolllines;
3, and then double-click the WheelScrollLines to change its value 4 on the line, 0 to prohibit the wheel, 1 means to open the wheel. You can then exit the registration form.
Method Two,
1, the mouse right click "Computer" Select Management, and then expand Device Manager;
2. Locate and double-click the mouse and other pointing device in the device management, and then double-click the mouse name you want to configure;
3, then in the pop-up window click "Advanced Settings" under "Mouse Wheel Detection", and then click "Find the mouse wheel" or other options on it.
Tip: You must be logged on as an administrator or as a member of the Administrators group to complete this procedure, and if you select Find mouse wheel and the mouse wheel does not work, click "Assume that the mouse wheel already exists," and then click OK.
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