How does the Windows 7 system use the numeric keypad to replace the mouse

Windows 7 users, sometimes do not forget the mouse or the touchpad temporary failure, what should I do?

In fact, under the Win7 system, you can use the keyboard to replace the mouse. Just press [ALT] + keyboard left [SHIFT] + [NumLock] at the same time, you can quickly enable it.

At this point, the system tray will have an additional mouse icon.

To adjust the movement speed of the mouse button, you can double-click the mouse icon. Once set, you can use the numeric keypad to control the movement of the mouse.

Endless IT Rivers and Lakes - Reprinted please get the soft media license or add the original clickable link and source