Select the “Search automatically for updated driver software” option using the arrow keys.Go to “Update driver” using the down arrow key and press “Enter.”.Press “Shift + F10” to right-click on the driver and open a drop-down menu.Choose your mouse using the down arrow key.Hit the right arrow key to expand the option.Use the “Tab” key to focus on the window and then the down arrow key to navigate to the “Mice and other pointing devices” option.Navigate to the “Device Manager” using the down arrow key and press “Enter.”.Follow along to update or reinstall your mouse drivers: Once you've highlighted the Mouse Keys On/Off toggle use spacebar to toggle on/off.Old and corrupt drivers can easily cause mouse-related issues. You can use tab and arrow keys to navigate to the correct ui without a mouse. Completely Disable Mouse Keys in Settings.The trick is this has to be done after you've unplugged your mouse. Just toggling it with Num-Lock won't work. The only way to make it re-appear using Mouse Keys is to Disable -> Re-Enable the entire Mouse Keys system, ie method #1 above. Even if you get the Mouse Keys config right, as soon as you physically unplug the mouse the cursor will probably disappear. The next main thing to get is that the act of physically removing a mouse is what causes windows to hide the cursor. You can tell if Mouse Keys is properly disabled when there's no tray icon for it anymore. So in the following steps when I'm talking about disabling Mouse Keys, I mean method #1 in the Settings ui, not #2. Checking the disable/enable checkbox in the old ui does not seem to work. When enabling/disabling Mouse Keys use the newer Settings window, not the older Control Panel window. I accessed this panel by double-clicking on the Mouse Keys tray icon: To make things even more confusing the old-style Control Panel ui has some slightly different options. Once Mouse Keys is enabled as shown above, you can enable/disable it with different key strokes depending on how Mouse Keys is setup:

There's kind of two ways to enable/disable Mouse Keys: So I did some testing, people have posted the correct solutions here but the order of operations makes a huge difference.

Toshiba cursor disappears windows 10