- Check your connectivity: Ensure that the cables connecting your computer, keyboard, and mouse are secure. If they're wireless, make sure the device is turned on and the batteries are fresh.
- Check the settings: Make sure that none of the device settings have been changed or adjusted, such as those found in the device control panel settings.
- Update Drivers: Check to see if there are any updates to the device drivers to make sure that they are up to date. Visit your manufacturer's website for the latest driver updates.