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When things are not working as intended, a common problem is that the cable between the computer and a device has become loose, broken, pinched, or disconnected. If you are having problems with your keyboard, mouse, printer, monitor, or any other peripheral, please do the following:
- Turn off your computer.
- Unplug the problem device.
- Check the wire to make sure it is not damaged or pinched.
- Plug it back in and make sure it is attached securely.
- Turn the computer back on to see if the problem has been corrected.