Reason Analysis:
This problem is due to the fact that the WIN10 has been turned on with its own mouse button function.
Solution:
Open "Start"-"Settings"-"easy to use"-"mouse";
In the inside close "use the numeric keypad to move the mouse on the screen" after the problem solved.
Some instructions for this feature:
If the "use of the digital keypad on the screen to move the mouse" and "NumLock enabled, using the mouse button" two functions, when the NumLock key press, the digital keypad will achieve the function of mouse movement, the direction of the movement of the number keys are as follows:
1, Lower left
2, under
3, lower right
4, left
6, right
7, Upper left
8, on
9, upper right
Click the * key or-number key after the number keys 5 and + keys to achieve the right mouse button function, if the number 0 key, and then press. Key, also can realize the function of the right mouse button, while the return key to realize the function of the left mouse button;
Click/Key number keys 5 and + keys to achieve the function of the left mouse button, if you first press the number 0 keys, and then press. Key, also can realize the function of the left mouse button, while the left mouse button function failure;
In addition, if you turn on the CTRL + + press SHIFT deceleration feature, pressing the CTRL key will speed up the move, and pressing the SHIFT key slows down the movement.
