Recent content by JAWChemist

Late follow up. Mouse batteries were the issue. It is not clear why the mouse batteries affected the keyboard with good batteries. Thanks to Ralston18. I had checked the key board batteries with a volt meter (voltage and current) and replaced them with a couple of set of new batteries that...

For me, the wireless keyboard (Logitech K270) had lagging and dropout. The wireless mouse occasionally had click dropouts. The cause was interference by the external hard drive sitting on my desk in a direct line (about 24 inches) between the usb wireless receiver dongle on the back of the...