Laptop Keyboard Trackpad

I accidentally disabled my laptop’s trackpad?
I’m using a macbook and while looking through the system preferences I accidentally clicked a box that said ‘ignore trackpad when a mouse is plugged in.’ My trackpad no longer works (though only on that account) and though I’ve figured out how to get into the system preferences without the mouse, and onto the trackpad menu, I can’t figure out how to check the box. I press tab, but that only goes onto a drop-down box in the menu, not to the checkbox I need. Is there any way to check this with a keyboard?
Actually, I’m a Windows user. The laptop is a school computer.
lmao, Yes we can see up your nose.
+1
So, the point is, the trackpad is disabled when a mouse is plugged in… So unplug your mouse? Then you should get control back in the trackpad.
Also, the spacebar is known to cause mouse clicks, the enter key, etc…
If you are asking where it is located? (the setting to change)
By default, it should be off when you plug your mouse in. Here are instructions on turning it on. Check this preference file and see if it is set at “0.” The file may be corrupt.
1. First, you need to modify a “hidden” preference file. To show hidden files, use a free utility like OnyX.
2. Once you can see hidden files, navigate to your User preference folder and look for .GlobalPreferences.plist. Note the file has a “.” in front of it to signify it’s hidden.
HD > User > Library > Preferences > .GlobalPreferences.plist
3. Open that preference file with a text editor and find “com.apple.mouse.ignoreTrackpadIfMousePresent” and change the valuse from 1 to 0.
4. Log out and log back in. You should be all set to use the trackpad again.