Problem: Mouse, keyboard or trackpad
If you are having problem with your mouse, keyboard or trackpad, try the following steps:
Step 1: Chcck the mouse sensor, be sure nothing is blocking it, such as dust, bread crumb, etc.
Step 2: For USB mouse, disconnect and reconnect; if prompted, update drivers.
Step 3: Try navigating using your keyboard to: Windows Start > (search) Mouse Settings > Hardware > Properties
Step 4: If this fails, try another mouse.
Step 1: If the non-working keyboard is on your laptop, try cleaning under the keys with compressed air. If the keyboard does not work, this is most likely a hardware issue. For a workaround, plug in an external keyboard.
Step 2: If an external keyboard is no working properly, disconnect and reconnect. And if you are prompted to update drivers, do so.
Step 1: Use keyboard to navigate to Windows Start > (search) Mouse Settings > Hardware > Properties and update Drivers
Step 2: Disconnect all USB devices and restart the computer/laptop.
Wireless Mouse, Keyboard and Trackpad
Step 1: Check that the wireless mouse and keyboard are turned on.
Step 2: Save all your work. Shut down the computer and wait a few minutes, turn back on the the computer again.
Step 3: Check the batteries by navigating to: Apple Menu > System Preferences > Keyboard and Mouse. Select the Bluetooth tab to show the battery levels.
Step 4: Check for signal interference from electrical devices, metals, etc. Be sure the keyboard, mouse, and computer are within 30 feet of each other when in use.