The Logitech Unifying receiver is a small device that plugs into a USB port of your computer. It is can be used with up to six Logitech computer peripherals that contain a unifying receiver, such as a wireless mouse and keyboard. When the Unifying receiver is not detected by your computer, it may be that it has been inserted into the wrong USB port, the wrong drivers have been installed, or there is wireless interference.
The Logitech Unifying receiver needs to be plugged into a USB port on your computer tower or laptop. If it is plugged into a USB hub that is connected to a USB port on your computer, it will not be detected by the computer. Check to see where the Unifying receiver is plugged in and move it to a USB port on your computer. If it is already plugged into your PC tower or laptop, remove the receiver and reinsert it into the USB port, as it may have not been seated correctly in the slot.
In order for the Logitech Unifying receiver to be detected by your computer, it needs to have its drivers installed. The Unifying drivers come with the Logitech SetPoint program, which can be downloaded from Logitech.com. Once you have downloaded and installed the SetPoint Software, run the program. Follow the on-screen prompts when they appear and turn off your mouse, keyboard or other Logitech Unifying device, then turn it back on. The Unifying receiver should now be detected and you will get a confirmation message stating that the Unifying device is now ready to use.
Set up Receiver
Click on the "My Mouse" tab on the upper right corner of the window. If the SetPoint Settings window only has a "Tools" tab, you have downloaded the wrong version of the software for your device and will need to uninstall SetPoint and download the correct version. Click the "Open Unifying Software" button. If you are using more than one Logitech device with the Unifying software, follow the prompts on the screen to set them up to work with the Unifying receiver.
The Unifying receiver uses radio frequency waves to send and receive a signal from your Logitech wireless devices. Other electronic devices that omit radio frequencies, such as a wireless router or cell phone, may be using the same RF channel as the receiver and causing interference. This can be remedied by changing the channel of the wireless router, moving other electronic devices away from the wireless mouse or keyboard, and positioning them closer to the USB port where the Unifying receiver is located on the computer to ensure a stronger signal is picked up by it.
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