I would like to add that on some computers (not all, for some reason some it will do it correctly by just doing the 'install/setup' from synaptics), you will have to manually override the installation behavior. Go to Device manager, and do a manual search/install of the driver,(including searching for the right driver, which you should have downloaded and put somewhere you can find easily), it will come up with a 'its not a signed driver and windows doesn't recommend' or some such thing, tell it do to it regardless, then restart after it has finished installing. At that point the synaptics driver should be installed in your system and allow you to do the disable if it detects external mouse. Dell T3400 Drivers Windows 10. I find it annoying that synaptics has essentially abdicated their responsibility to the end user (I know that these are OEM devices but the end user will be the one dealing with these things after warranty is over). No contact email so I couldn't update them of their FAQ inaccuracies and since it took me a day to find this forum now I don't fully remember all the steps. Still, it should be fairly self evident what needs to follow when you do the above.
2:13 There are two general ways your laptop's touchpad can break bad. Dell A920 Printer Driver Windows 10. The first is the nuclear option where it just stops working, which is uncommon but can happen after a software update.
The more common occurrence is where your the touchpad on a new laptop feels finicky or skittish, registering unintended gestures while failing to recognize your intended swipes, pinches, taps and clicks. Acting in ways you wish it wouldn't. I'll cover both cases for () -- dead and acting poorly. I'm using a with Windows 10 for this post, but touchpad settings vary by manufacturer. Your mileage, as they say, may vary. Revive a dead touchpad If your laptop doesn't feature a touchscreen display, then you will need a mouse to revive a disabled touchpad. With your touchscreen or mouse, open Settings and go to Devices >Mouse & touchpad.