How to change the mouse cursor speed of laptop touchpad in Ubuntu system?

I recently installed Ubuntu 19.10 on a laptop. After the installation, I felt that when I moved the screen cursor on the trackpad, the cursor moved slowly on the screen. How do I properly adjust the speed at which the touchpad moves the mouse cursor? Let’s take a look at the detailed tutorial below.

1. Press the Windows logo key on the keyboard, and the Ubuntu desktop will enter the "Activities view" (Activities overview) mode. In this mode, a search box will appear at the top of the screen. In order to find and openUbuntu's "Settings" program, we enter the word "Settings" as the search keyword in the search box. Ubuntu immediately returns a list of programs related to "Settings", the first of which is the "Settings" program we are looking for (pictured).

2. At this time, click to start the "Settings" program. Since the program we're looking for is first on the list, we can actually launch it by pressing Enter. The started "Settings" program interface is as shown in the figure. The left side is the navigation bar of the setting items, and the right side is the specific setting items of each setting item.

3. Since the touchpad setting items we are looking for are not displayed in the left navigation bar (because the laptop screen resolution in the picture is low and all setting items cannot be displayed at once), we need to display them in the left navigation bar. Scroll down (can be achieved by rolling the mouse wheel;If you don’t have a mouse, you can also use touchpad gestures, such as sliding down with two fingers).

4. When the navigation bar is scrolled to the bottom, an item named "Device" is displayed. Adjusting the touchpad should be in the "Device" item, click to enter its specific settings interface.

5. After entering the setting interface of "Device", the navigation bar on the left side of the window will only display items related to "Device". At this time, click the "Mouse and Touchpad" item, and the setting items related to the mouse and touchpad will be displayed on the right side of the window, one of which is "Touchpad speed” slider setting item. As you can see, the sliding button of this setting item is set to the middle position by default.

6. Use the left mouse button or click on the touchpad to move the sliding button of "Touchpad Speed" a certain distance to the right. At this time, I used the touchpad to move the mouse cursor on the screen and found that it moved much faster. You can move this slide button repeatedly until the touchpad moves the mouse cursor at a speed suitable for everyday use.

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