How to solve the malfunction of win7 mouse wheel

Most people don't understand the knowledge points of this article "how to solve win7 mouse wheel failure", so Xiaobian summarizes the following contents for everyone. The contents are detailed, the steps are clear, and they have certain reference value. I hope everyone can gain something after reading this article. Let's take a look at this article "how to solve win7 mouse wheel failure".

Solution/Steps:

1. Press Win+R to open the Run dialog box.

Type Regedit and click OK to open the Registry Editor. As shown in the figure:

Find Hkey current user and expand it. As shown in the figure:

4. Go to Control. As shown in the figure:

Go to Desktop under the Control panel. As shown in the figure:

Find Wheelstrolllines under Desktop. As shown in the figure:

Right-click it and select Modify. As shown in the figure:

8. Change the numerical data to 3, and then click OK. As shown in the figure:

Notes:

Need to modify the registry, must strictly follow the steps in the tutorial, otherwise there is a certain risk. If you have system problems after modifying the registry, you can follow this tutorial to change the registry back.

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