A DPDT switch is ... to change which PC you are working on, streamlining what can be a tedious changeover — especially useful if you have a custom keyboard you want to use all the time.

restarting the computer is often the best way to go. Simply turning the machine off could result in file corruption or data loss. But if your mouse isn't working, you'll have to use keyboard ...

I have a MacBook Pro that I use ... keyboard wirelessly over Bluetooth … and I have the wired Lightning to USB connection permanently plugged into the Windows PC. When the Windows PC is switched ...