Under the Win system, the mouse wheel scrolls up and down. The repair method (registry)

The mouse is mainly composed of the left button, the right button and the middle wheel. Of course, there are some special mouse. When we browse the webpage or file window, we will scroll the window through the mouse wheel, which helps us to operate normally and greatly improve the work efficiency. However, in the use, it is inevitable that various faults will occur, such as the mouse wheel scrolling up and down, the mouse scrolling does not work. There are many reasons for this phenomenon. Hardware problems, system problems, viruses, etc. can cause such failures. Let's take a look at the specific solutions.

The mouse wheel scrolls up and down regardless of the repair method /step:

1, using the registry solution, first enter the registry, method, at the beginning of the desktop, open the start menu, then Open the "Run" program, you can also use Win + R to open the "Run" program, enter the regedit command in the edit box, press “ OK & rdquo;.

2, after entering the registry, first select “HKEY_CURRENT_USER” this key, then open its sub-items, find in the sub-item; Control Panel” item.

3. Then open the sub-item of "Control Panel" and find the item "Dosktop".

4, then move the focus to the right side of the "Dosktop" window, drag the scroll bar and find the "WheelScrollLines".

5, then right click on "WheelScrollLines", open the right-click menu, select the ” modify “ command.

6. An edit string window pops up. Under the data value, there is an edit box. This value is often easily infected by viruses or systems. Changed with errors.

7. Change the value of the data value to ”3“, then press ”OK“Save and exit the window. Then quit the registry.

8. Go to the desktop, open the Start menu, click & rdquo; turn off the computer “, in the shutdown screen, select & rdquo; restart & ldquo; button, the computer restarts After that, the problem of the mouse wheel can be solved.

It is easy to solve the problem that the mouse wheel that cannot be used normally is affected by the registry modification. Of course, this method only causes the mouse to cause system problems. It can't be used normally. If it is a virus or the mouse itself, then it is recommended to try to kill or replace the mouse.