My mouse and keyboard are lagging
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Jul 16, 2017. #1. This is on one of our Dell Optiplex 780m mini tower machines. We have several wireless Logitech MK270 keyboard/mouse combos. For the last couple months, one of our keyboards has been giving problems; it started out with intermittent mild symptoms and has progressively gotten worse. As best I can tell, the receiver is not a.