Logitech Cordless Mice allow users to have cleaner computer desks because there aren't a mess of wires everywhere. There is no difference in the functionality of the mice, except the need to change the batteries every once in a while. The installation is easy and fast, so you can get started using the mouse just about as soon as you open the box in which it came.
Insert the two AAA batteries into the mouse.
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Power down the computer.
Insert the USB end of the cordless mouse receiver into a USB port on the computer. If you don't have an open USB port, you can use a PS/2 port adapter with a USB end, and insert the cordless mouse into the adapter, and then into the mouse port on the computer. When you're finished, put the cordless mouse receiver in a place that's close to the computer, but away from other devices, like keyboards and speakers.
Start up the computer. Insert the Logitech cordless mouse software disk and install the software.
Press the "Connect" buttons on the mouse and the receiver to complete the connection.