System hacks: Automatically close the touchpad when the mouse is connected

If the notebook is plugged into the mouse to use, then the touchpad will temporarily become a redundant configuration, even in the operation of the keyboard due to accidental touch and obstruction. If you can automatically turn off the touchpad function after inserting the mouse, you will not have this trouble. The following method can realize this idea.

If you are using a notebook or netbook equipped with ELAN or Synaptics touchpad, then under the mouse properties should show an option like “Disable internal pointing device when connecting a mouse”. We can try to use this option. 1.

1. Windows 10 setup method

For users who are using Windows 10, you can use the following setting method.

Open “Settings”, click the “Devices” icon, and then click “Touchpad”. In the right window of “Touchpad”, click “Related Settings → Other Settings”, then in the “Mouse Properties” dialog window that opens, click ELAN (some computers may be “Device Settings”) tab, check the “Disable when plugging in an external USB pointing device” checkbox (Figure 1).


2. Various Windows common setup methods

The above is the setup method in Windows 10. The following setup method is common to Windows 10, Windows 7 and Windows 8/8.1.

Search for “Control Panel” in Windows, and click “Control Panel” to open it. Change the default view to “Small Icons”. Look for the entry called “Mouse” and click on it to open the Mouse Properties window. Next, switch to the ELAN (or “Device Settings”) tab, and then check the “Disable when plugged into an external USB pointing device” checkbox in the same way as above (Figure 2).


Tip: Some devices have the opposite of the above options, such as “keep the touchpad open when the mouse is connected”, then you have to cancel the check box to select.

3. modify the registry to add options

If the above option does not exist, and the laptop is using Synaptics touchpad, you can try the method given below to display the above mentioned option.

Tip: Before changing the default entries, create a backup of the registry using a backup restore point or by using registry backup software.

Press the Win+R key combination to open the Run dialog box, type REGEDIT and enter to start the Registry Editor. In the Registry Editor, navigate to the following items.


On the right side, create a new DWORD value and rename it to DisableIntPDFeature. finally, change its value to 3 (Figure 3). Close the Registry Editor and restart the computer, then check to see if the option to disable internal pointing devices when connecting external USB pointing devices is turned on.



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