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Since you are using a dell laptop, you should see a Dell Touchpad tab.
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In the Mouse Properties window that opens, locate your touchpad settings.After clicking on it, a pop up will be revealed showing you your mouse property.Once it open, by your right-hand side, click on Additional mouse option.Select the Mouse settings option in the search results.Navigate to the windows logo and search for mouse settings.
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Click the Touchpad option in the left pane and then turn on the touchpad button. In the Settings window, select the Devices option. Click the Start Menu (Windows 10) and choose the Settings icon. To execute this way, you need to connect a mouse to your HP EliteBook firstly. Way 3: Unlock the Locked HP EliteBook TouchPad through the Control Panel Tips: The touchpad icon may vary depending on the HP EliteBook series. After that, the touchpad can be used again. Then tap the function key or press it + Fn key(usually in the lower-left corner of the keyboard). On the top place of the keyboard, find the function key with the icon for the touchpad. If there is no touchpad on/off button on your HP EliteBook, you can try this way. Way 2: Unlock the Locked HP EliteBook TouchPad via Keys Tips: The touchpad light is on when the touchpad is off and the light is off if the touchpad is on. Find the touchpad light in the upper-left corner of the touchpad and check whether the light is off, if it is on, just double-tap to turn off it and then the touchpad will be unlocked. This way can be applied if there is a touchpad light(also the touchpad on/off button) on your HP EliteBook. Way 1: Unlock the Locked HP EliteBook TouchPad with the TouchPad Light
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