Why the laptop mouse wheel is not available

Q: I installed the threesome 3D Wheel Mouse on my notebook and plugged in the PS/2 interface. Reboot the system, the external mouse can be used normally, but I do not know why the wheel function is not able to play a role, as if shielded by general, Strange is at home on the computer wheel function does not fail, this is how the matter?

A: Reboot the system, press and hold the F1 key to enter the BIOS setup interface, from the "Config" menu to find "Keyboard/mouse" settings, this project is used to set the IBM laptop keyboard, mouse, touch screen and other input devices, The problem with the mouse wheel cannot be used is here. Sure enough, see here the "TrackPoint" and "Touch Pad" are set to "enables", that is, you can use the touchscreen and the keyboard in the center of the "Little Red dot" mouse trajectory pointing device, but because of the external PS/2 interface of the mouse, so will cause hardware conflicts, This leads to problems with the external mouse wheel being unusable.

Know the problem, the solution is much simpler, directly to "TrackPoint" and "Touch Pad" set to "Automatic" or "Disabled" can be, the former means that when the user in the notebook computer inserted ps/s interface mouse, TrackPoint and touch pad will automatically close, once the mouse is unplugged, still can continue to use fixed-point devices.