Rosemary Brown describes a problem noted by a few other MacFixIt readers, where a UPS (uninterruptable power supply) seems to "hog" the chain, and produce strange problems for the keyboard and mouse. ...

So I have a very frustrating issue going on that is driving me nuts. I like to play Left 4 Dead(2) and my mouse keeps freezing then it starts again. First thing I did was make sure my drive had room, ...

I upgraded from a wired Corsair mouse to a wireless Corsair mouse. I have a Mac Studio with limited USB ports. I have - an expensive - Plugable Thunderbolt dock/hub. I put the USB receiver on the hub, ...

Most laptops have a touchpad toggle key. The cursor often reappears immediately. A simple restart can fix many problems. Always try restarting before deeper troubleshooting. Using a mouse helps ...