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, ...

Fix USB Root Hub via the Power Management settings. Update or reinstall the USB Hub driver. Reset the system BIOS to default. 1] Fix USB Root Hub via the Power Management settings The Power Management ...

I have a problem with USB 3 and am out of ideas. I have a USB 3.1 hub with a bunch of devices plugged into it including my keyboard. When I copy files from the laptop to an SD card (even at USB 2 ...