Windows7 system uses the numeric keypad to replace the mouse tips

Which Windows7 users have encountered such awkward things, such as sometimes forgetting to bring a mouse or a touchpad temporary failure, what should I do?

In fact, under the Win7 system, you don't have to worry about it. 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. After setting it, you can use the numeric keypad to control the movement of the mouse.